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Submissions from 2023

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High-Speed Spectral Characterization of Single-Molecule SERS Fluctuations, Makayla M. Schmidt, Emily A. Farley, Marit A. Engevik, Trey N. Adelsman, Ariadne Teckmantel Bido, Nathan D. Lemke, Alexandre G. Brolo, and Nathan C. Lindquist
The concept of plasmonic “hotspots” is central to the broad field of nanophotonics. In surface-enhanced Raman scattering (SERS), hotspots can increase Raman scattering efficiency by orders of magnitude. Hotspot dimensions may range from a f...

Submissions from 2022

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Measurement of Optical Rubidium Clock Frequency Spanning 65 Days, Nathan D. Lemke, Kyle W. Martin, River Beard, Benjamin K. Stuhl, Andrew J. Metcalf, and John D. Elgin
Optical clocks are emerging as next-generation timekeeping devices with technological and scientific use cases. Simplified atomic sources such as vapor cells may offer a straightforward path to field use, but suffer from long-term frequency...

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Developing optical devices and projects for teaching engineering, Nathan D. Lemke, John McCauley, Tristan E. Noble, Grace Riermann, Ellesa St. George, Nathan C. Lindquist, Keith R. Stein, and Karen Irene Rogers
We are creating a suite of tools and techniques based on optics to be used for teaching a variety of engineering topics. Each tool is intended for non-expert use and without the need for high-end equipment such as vibration-free optical tab...

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A new calibration method for charm jet identification validated with proton-proton collision events at √s = 13TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
Many measurements at the LHC require efficient identification of heavy-flavour jets, i.e. jets originating from bottom (b) or charm (c) quarks. An overview of the algorithms used to identify c jets is described and a novel method to calibra...

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Erratum: Search for Heavy Higgs Bosons Decaying to a Top Quark Pair in Proton-Proton Collisions at s = 13 TeV (Journal of High Energy Physics, (2020), 2020, 4, (171), 10.1007/JHEP04(2020)171), The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
In figure 7 of the original publication, the label of the y axis should have been (Formula presented.)”. The corrected version is shown in figure 1. Accordingly, the text pointing to the figure should read “figure 7 shows scans of (Formula ...

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Evidence for X(3872) in Pb-Pb Collisions and Studies of its Prompt Production at sNN =5.02 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
The first evidence for X(3872) production in relativistic heavy ion collisions is reported. The X(3872) production is studied in lead-lead (Pb-Pb) collisions at a center-of-mass energy of sNN=5.02 TeV per nucleon pair, using the decay chain...

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Using Z Boson Events to Study Parton-Medium Interactions in Pb-Pb Collisions, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
The spectra measurements of charged hadrons produced in the shower of a parton originating in the same hard scattering with a leptonically decaying Z boson are reported in lead-lead nuclei (Pb-Pb) and proton-proton (pp) collisions at a nucl...

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Inclusive and differential cross section measurements of single top quark production in association with a Z boson in proton-proton collisions at √s = 13 TeV, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
Inclusive and differential cross sections of single top quark production in association with a Z boson are measured in proton-proton collisions at a center-of-mass energy of 13 TeV with a data sample corresponding to an integrated luminosit...

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Measurement and QCD analysis of double-differential inclusive jet cross sections in proton-proton collisions at √s = 13 TeV, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
A measurement of the inclusive jet production in proton-proton collisions at the LHC at s = 13 TeV is presented. The double-differential cross sections are measured as a function of the jet transverse momentum pT and the absolute jet rapidi...

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Measurement of double-parton scattering in inclusive production of four jets with low transverse momentum in proton-proton collisions at √s = 13 TeV, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
A measurement of inclusive four-jet production in proton-proton collisions at a center-of-mass energy of 13 TeV is presented. The transverse momenta of jets within |η| < 4.7 are required to exceed 35, 30, 25, and 20 GeV for the first-, seco...

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Measurement of the Inclusive and Differential Higgs Boson Production Cross Sections in the Decay Mode to a Pair of τ Leptons in pp Collisions at s =13 TeV, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
Measurements of the inclusive and differential fiducial cross sections of the Higgs boson are presented, using the τ lepton decay channel. The differential cross sections are measured as functions of the Higgs boson transverse momentum, jet...

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Measurement of W±γ differential cross sections in proton-proton collisions at s =13 TeV and effective field theory constraints, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
Differential cross section measurements of W±γ production in proton-proton collisions at s=13 TeV are presented. The data set used in this study was collected with the CMS detector at the CERN LHC in 2016-2018 with an integrated luminosity ...

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Search for heavy resonances decaying to WW, WZ, or WH boson pairs in a final state consisting of a lepton and a large-radius jet in proton-proton collisions at s =13 TeV, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
A search for new heavy resonances decaying to pairs of bosons (WW, WZ, or WH) is presented. The analysis uses data from proton-proton collisions collected with the CMS detector at a center-of-mass energy of 13 TeV, corresponding to an integ...

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Search for long-lived particles produced in association with a Z boson in proton-proton collisions at √s = 13 TeV, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
A search for long-lived particles (LLPs) produced in association with a Z boson is presented. The study is performed using data from proton-proton collisions with a center-of-mass energy of 13 TeV recorded by the CMS experiment during 2016–...

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Search for Wγ Resonances in Proton-Proton Collisions at s=13 TeV using Hadronic Decays of Lorentz-boosted W Bosons, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
A search for Wγ resonances in the mass range between 0.7 and 6.0 TeV is presented. The W boson is reconstructed via its hadronic decays, with the final-state products forming a single large-radius jet, owing to a high Lorentz boost of the W...

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Study of Dijet Events with Large Rapidity Separation in Proton-Proton Collisions at √s = 2.76 TeV, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
The cross sections for inclusive and Mueller-Navelet dijet production are measured as a function of the rapidity separation between the jets in proton-proton collisions at s = 2.76 TeV for jets with transverse momentum pT> 35 GeV and rapidi...

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Fragmentation of jets containing a prompt J/ψ meson in PbPb and pp collisions at sNN=5.02TeV, The CMS Collaboration, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, J. Erö, and Julie M. Hogan
Jets containing a prompt J/ψ meson are studied in lead-lead collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV, using the CMS detector at the LHC. Jets are selected to be in the transverse momentum range of 30...

Submissions from 2021

Searches for vector-like quarks at CMS, Julie M. Hogan
The CMS Collaboration has a robust program of searches for vector-like quarks. The first search available using 137 fb-1 of proton-proton collision data with vs = 13 TeV collected by the CMS experiment in Run 2 of the LHC is presented here....

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Front Cover Artwork: Nano-Optical Tweezers: Methods and Applications for Trapping Single Molecules and Nanoparticles, Joshua D. Kolbow, Nathan C. Lindquist, Christopher T. Ertsgaard, Daehan Yoo, and Sang Hyun Oh
The front cover artwork is provided by Prof. Sang-Hyun Oh's group at the University of Minnesota. The image shows the optical trapping of chiral nanoparticles using coaxial nano-optical tweezers, devices capable of harnessing light to manip...

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Nano-Optical Tweezers: Methods and Applications for Trapping Single Molecules and Nanoparticles, Joshua D. Kolbow, Nathan C. Lindquist, Christopher T. Ertsgaard, Daehan Yoo, and Sang Hyun Oh
Optical tweezers were developed in 1970 by Arthur Ashkin as a tool for the manipulation of micron-sized particles. Ashkin's original design was then adapted for a variety of purposes, such as trapping and manipulation of biological material...

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Ultra-High-Speed Dynamics in Surface-Enhanced Raman Scattering, Nathan C. Lindquist and Alexandre G. Brolo
In this perspective, we discuss recent observations related to the temporal dynamics of intensities in surface-enhanced Raman scattering (SERS) experiments. SERS is a well-established and highly active research field, driven by the potentia...

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Digital plasmonic holography with iterative phase retrieval for sensing, Ryan M. Spies, Grace H. Cole, Marit A. Engevik, Britta G. Nordberg, Evan A. Scharnick, Isaac M. Vliem, Alexandre G. Brolo, and Nathan C. Lindquist
Propagating surface plasmon waves have been used for many applications including imaging and sensing. However, direct in-plane imaging of micro-objects with surface plasmon waves suffers from the lack of simple, two-dimensional lenses, mirr...

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Odderon Exchange from Elastic Scattering Differences between pp and p p ¯ Data at 1.96 TeV and from pp Forward Scattering Measurements, The CMS Collaboration, V. M. Abazov, B. Abbott, B. S. Acharya, M. Adams, T. Adams, and Julie M. Hogan
We describe an analysis comparing the pp¯ elastic cross section as measured by the D0 Collaboration at a center-of-mass energy of 1.96 TeV to that in pp collisions as measured by the TOTEM Collaboration at 2.76, 7, 8, and 13 TeV using a mod...

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Study of the normalized transverse momentum distribution of W bosons produced in p p ¯ collisions at s =1.96 TeV STUDY of the NORMALIZED TRANSVERSE MOMENTUM ... ABAZOV V. M. et al., The CMS Collaboration, V. M. Abazov, B. Abbott, B. S. Acharya, M. Adams, T. Adams, and Julie M. Hogan
We present a study of the normalized transverse momentum distribution of W bosons produced in pp¯ collisions, using data corresponding to an integrated luminosity of 4.35 fb-1 collected with the D0 detector at the Fermilab Tevatron collider...

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Comparative evaluation of analogue front-end designs for the CMS Inner Tracker at the High Luminosity LHC, The CMS Collaboration, W. Adam, T. Bergauer, D. Blöch, M. Dragicevic, R. Frühwirth, and Julie M. Hogan
The CMS Inner Tracker, made of silicon pixel modules, will be entirely replaced prior to the start of the High Luminosity LHC period. One of the crucial components of the new Inner Tracker system is the readout chip, being developed by the ...

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Selection of the silicon sensor thickness for the Phase-2 upgrade of the CMS Outer Tracker, The CMS Collaboration, W. Adam, T. Bergauer, D. Blöch, M. Dragicevic, R. Frühwirth, and Julie M. Hogan
During the operation of the CMS experiment at the High-Luminosity LHC the silicon sensors of the Phase-2 Outer Tracker will be exposed to radiation levels that could potentially deteriorate their performance. Previous studies had determined...

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The CMS Phase-1 pixel detector upgrade, The CMS Collaboration, W. Adam, T. Bergauer, D. Blöch, M. Dragicevic, R. Frühwirth, and Julie M. Hogan
The CMS detector at the CERN LHC features a silicon pixel detector as its innermost subdetector. The original CMS pixel detector has been replaced with an upgraded pixel system (CMS Phase-1 pixel detector) in the extended year-end technical...

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Studies of charm and beauty hadron long-range correlations in pp and pPb collisions at LHC energies, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, B. Arnold, and Julie M. Hogan
Measurements of the second Fourier harmonic coefficient (v2) of the azimuthal distributions of prompt and nonprompt D0 mesons produced in pp and pPb collisions are presented. Nonprompt D0 mesons come from beauty hadron decays. The data samp...

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Correlations of azimuthal anisotropy Fourier harmonics with subevent cumulants in pPb collisions at sNN =8.16 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, E. Asilar, and Julie M. Hogan
Event-by-event long-range correlations of azimuthal anisotropy Fourier coefficients (vn) in 8.16 TeV pPb data, collected by the CMS experiment at the CERN Large Hadron Collider, are extracted using a subevent four-particle cumulant techniqu...

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Erratum to: Measurement of single-diffractive dijet production in proton–proton collisions at s = 8 Te with the CMS and TOTEM experiments (The European Physical Journal C, (2020), 80, 12, (1164), 10.1140/epjc/s10052-020-08562-y), The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, E. Asilar, and Julie M. Hogan
The original PDF version of this article was revised as the Open Access license text was missing and the funding note “Funded by SCOAP3” as well. The original article has been corrected....

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Constraints on the Initial State of Pb-Pb Collisions via Measurements of Z -Boson Yields and Azimuthal Anisotropy at sNN =5.02 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
The CMS experiment at the LHC has measured the differential cross sections of Z bosons decaying to pairs of leptons, as functions of transverse momentum and rapidity, in lead-lead collisions at a nucleon-nucleon center-of-mass energy of 5.0...

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Development and validation of HERWIG 7 tunes from CMS underlying-event measurements, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
This paper presents new sets of parameters (“tunes”) for the underlying-event model of the HERWIG7 event generator. These parameters control the description of multiple-parton interactions (MPI) and colour reconnection in HERWIG7, and are o...

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Evidence for electroweak production of four charged leptons and two jets in proton-proton collisions at s=13TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
Evidence is presented for the electroweak (EW) production of two jets (jj) in association with two Z bosons and constraints on anomalous quartic gauge couplings are set. The analysis is based on a data sample of proton-proton collisions at ...

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First measurement of large area jet transverse momentum spectra in heavy-ion collisions, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
Jet production in lead-lead (PbPb) and proton-proton (pp) collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV is studied with the CMS detector at the LHC, using PbPb and pp data samples corresponding to integrated luminosities...

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Hard color-singlet exchange in dijet events in proton-proton collisions at s =13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
Events where the two leading jets are separated by a pseudorapidity interval devoid of particle activity, known as jet-gap-jet events, are studied in proton-proton collisions at s=13 TeV. The signature is expected from hard color-singlet ex...

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Measurement of b jet shapes in proton-proton collisions at √s = 5.02 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
We present the first study of charged-hadron production associated with jets originating from b quarks in proton-proton collisions at a center-of-mass energy of 5.02 TeV. The data sample used in this study was collected with the CMS detecto...

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Measurement of differential t t ¯ production cross sections using top quarks at large transverse momenta in pp collisions at s =13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
A measurement is reported of differential top quark pair (tt¯) production cross sections, where top quarks are produced at large transverse momenta. The data collected with the CMS detector at the LHC are from pp collisions at a center-of-m...

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Measurement of prompt D0 and D‾0 meson azimuthal anisotropy and search for strong electric fields in PbPb collisions at sNN=5.02TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
The strong Coulomb field created in ultrarelativistic heavy ion collisions is expected to produce a rapidity-dependent difference (Δv2) in the second Fourier coefficient of the azimuthal distribution (elliptic flow, v2) between D0 (u‾c) and...

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Measurement of the azimuthal anisotropy of [Formula presented] and [Formula presented] mesons in PbPb collisions at sNN=5.02TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
The second-order Fourier coefficients (v2) characterizing the azimuthal distributions of [Formula presented] and [Formula presented] mesons produced in PbPb collisions at sNN=5.02TeV are studied. The [Formula presented] mesons are reconstru...

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Measurement of the CP-violating phase ϕs in the Bs0→J/ψϕ(1020)→μ+μK+K channel in proton-proton collisions at s=13TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
The CP -violating weak phase ϕs and the decay width difference ΔΓs between the light and heavy Bs0 mass eigenstates are measured with the CMS detector at the LHC in a sample of 48500 reconstructed Bs0→J/ψϕ(1020)→μ+μ−K+K− events. The measure...

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Measurement of the inclusive and differential Higgs boson production cross sections in the leptonic WW decay mode at √s = 13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
Measurements of the fiducial inclusive and differential production cross sections of the Higgs boson in proton-proton collisions at s = 13 TeV are performed using events where the Higgs boson decays into a pair of W bosons that subsequently...

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Measurements of the differential cross sections of the production of Z + jets and γ + jets and of Z boson emission collinear with a jet in pp collisions at √s = 13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
Measurements of the differential cross sections of Z + jets and γ + jets production, and their ratio, are presented as a function of the boson transverse momentum. Measurements are also presented of the angular distribution between the Z bo...

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MUSiC: a model-unspecific search for new physics in proton–proton collisions at √s=13TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
Results of the Model Unspecific Search in CMS (MUSiC), using proton–proton collision data recorded at the LHC at a centre-of-mass energy of 13TeV, corresponding to an integrated luminosity of 35.9fb-1, are presented. The MUSiC analysis sear...

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Search for long-lived particles using displaced jets in proton-proton collisions at s =13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
An inclusive search is presented for long-lived particles using displaced jets. The search uses a data sample collected with the CMS detector at the CERN LHC in 2017 and 2018, from proton-proton collisions at a center-of-mass energy of 13 T...

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Search for the lepton flavor violating decay τ → 3μ in proton-proton collisions at √s = 13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
Results are reported from a search for the lepton flavor violating decay τ → 3μ in proton-proton collisions at s = 13 TeV. The data sample corresponds to an integrated luminosity of 33.2 fb−1 recorded by the CMS experiment at the LHC in 201...

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Search for top squark pair production using dilepton final states in pp collision data collected at √s=13TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
A search is presented for supersymmetric partners of the top quark (top squarks) in final states with two oppositely charged leptons (electrons or muons), jets identified as originating from b quarks, and missing transverse momentum. The se...

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Study of Drell-Yan dimuon production in proton-lead collisions at √sNN = 8.16 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, and Julie M. Hogan
Differential cross sections for the Drell-Yan process, including Z boson production, using the dimuon decay channel are measured in proton-lead (pPb) collisions at a nucleon-nucleon centre-of-mass energy of 8.16 TeV. A data sample recorded ...

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Constraints on anomalous Higgs boson couplings to vector bosons and fermions in its production and decay using the four-lepton final state, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, and Julie M. Hogan
Studies of CP violation and anomalous couplings of the Higgs boson to vector bosons and fermions are presented. The data were acquired by the CMS experiment at the LHC and correspond to an integrated luminosity of 137 fb-1 at a proton-proto...

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Measurement of the Wγ Production Cross Section in Proton-Proton Collisions at s =13 TeV and Constraints on Effective Field Theory Coefficients, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, and Julie M. Hogan
A fiducial cross section for Wγ production in proton-proton collisions is measured at a center-of-mass energy of 13 TeV in 137 fb-1 of data collected using the CMS detector at the LHC. The W→eν and μν decay modes are used in a maximum-likel...

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Measurements of Higgs boson production cross sections and couplings in the diphoton decay channel at √s = 13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, and Julie M. Hogan
Measurements of Higgs boson production cross sections and couplings in events where the Higgs boson decays into a pair of photons are reported. Events are selected from a sample of proton-proton collisions at s = 13 TeV collected by the CMS...

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Measurements of production cross sections of the Higgs boson in the four-lepton final state in proton–proton collisions at √s=13Te, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, and Julie M. Hogan
Production cross sections of the Higgs boson are measured in the H → Z Z → 4 ℓ (ℓ=e,μ) decay channel. A data sample of proton–proton collisions at a center-of-mass energy of 13Te, collected by the CMS detector at the LHC and corresponding t...

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Observation of a New Excited Beauty Strange Baryon Decaying to Ξb- π+π-, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, and Julie M. Hogan
The Ξb-π+π- invariant mass spectrum is investigated with an event sample of proton-proton collisions at s=13 TeV, collected by the CMS experiment at the LHC in 2016-2018 and corresponding to an integrated luminosity of 140 fb-1. The ground ...

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Precision luminosity measurement in proton–proton collisions at √s=13TeV in 2015 and 2016 at CMS, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, and Julie M. Hogan
The measurement of the luminosity recorded by the CMS detector installed at LHC interaction point 5, using proton–proton collisions at s=13TeV in 2015 and 2016, is reported. The absolute luminosity scale is measured for individual bunch cro...

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Search for charged Higgs bosons produced in vector boson fusion processes and decaying into vector boson pairs in proton–proton collisions at √s=13TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, and Julie M. Hogan
A search for charged Higgs bosons produced in vector boson fusion processes and decaying into vector bosons, using proton–proton collisions at s=13TeV at the LHC, is reported. The data sample corresponds to an integrated luminosity of 137fb...

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Search for lepton-flavor violating decays of the Higgs boson in the μτ and eτ final states in proton-proton collisions at s =13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, and Julie M. Hogan
A search is presented for lepton-flavor violating decays of the Higgs boson to μτ and eτ. The dataset corresponds to an integrated luminosity of 137 fb-1 collected at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV....

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Search for resonant and nonresonant new phenomena in high-mass dilepton final states at √s = 13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, and Julie M. Hogan
A search is presented for physics beyond the standard model (SM) using electron or muon pairs with high invariant mass. A data set of proton-proton collisions collected by the CMS experiment at the LHC at s = 13 TeV from 2016 to 2018 corres...

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Search for top squark production in fully hadronic final states in proton-proton collisions at s =13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, and Julie M. Hogan
A search for production of the supersymmetric partners of the top quark, top squarks, is presented. The search is based on proton-proton collision events containing multiple jets, no leptons, and large transverse momentum imbalance. The dat...

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Search for top squarks in final states with two top quarks and several light-flavor jets in proton-proton collisions at s =13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, and Julie M. Hogan
Many new physics models, including versions of supersymmetry characterized by R-parity violation (RPV), compressed mass spectra, long decay chains, or additional hidden sectors, predict the production of events with top quarks, low missing ...

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Search for W′ bosons decaying to a top and a bottom quark at s=13TeV in the hadronic final state, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, and Julie M. Hogan
A search is performed for W′ bosons decaying to a top and a bottom quark in the all-hadronic final state, in proton-proton collisions at a center-of-mass energy of 13 TeV. The analyzed data were collected by the CMS experiment between 2016 ...

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Angular analysis of the decay B+ → K(892)+ μ + μ in proton-proton collisions at √s = 8 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
Angular distributions of the decay B+→ K∗(892)+μ+μ− are studied using events collected with the CMS detector in s = 8 TeV proton-proton collisions at the LHC, corresponding to an integrated luminosity of 20.0 fb−1. The forward-backward asym...

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Electron and photon reconstruction and identification with the CMS experiment at the CERN LHC, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
The performance is presented of the reconstruction and identification algorithms for electrons and photons with the CMS experiment at the LHC. The reported results are based on proton-proton collision data collected at a center-of-mass ener...

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Erratum to: Search for dark matter produced in association with a leptonically decaying Z boson in proton–proton collisions at s = 13 Te (The European Physical Journal C, (2021), 81, 1, (13), 10.1140/epjc/s10052-020-08739-5), The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
A Correction to this paper has been published: https://doi.org/10.1140/epjc/s10052-020-08739-5...

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Evidence for Higgs boson decay to a pair of muons, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
Evidence for Higgs boson decay to a pair of muons is presented. This result combines searches in four exclusive categories targeting the production of the Higgs boson via gluon fusion, via vector boson fusion, in association with a vector b...

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First measurement of the cross section for top quark pair production with additional charm jets using dileptonic final states in pp collisions at s=13TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
The first measurement of the inclusive cross section for top quark pairs (tt‾) produced in association with two additional charm jets is presented. The analysis uses the dileptonic final states of tt‾ events produced in proton-proton collis...

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Measurement of differential cross sections for Z bosons produced in association with charm jets in pp collisions at √s = 13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
Measurements are presented of differential cross sections for the production of Z bosons in association with at least one jet initiated by a charm quark in pp collisions at s = 13 TeV. The data recorded by the CMS experiment at the LHC corr...

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Measurement of the Higgs boson production rate in association with top quarks in final states with electrons, muons, and hadronically decaying tau leptons at √s=13Te, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
The rate for Higgs (H) bosons production in association with either one (t H) or two (t t ¯ H) top quarks is measured in final states containing multiple electrons, muons, or tau leptons decaying to hadrons and a neutrino, using proton–prot...

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Measurement of the Z boson differential production cross section using its invisible decay mode (Z → νν¯) in proton-proton collisions at √s = 13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
Measurements of the total and differential fiducial cross sections for the Z boson decaying into two neutrinos are presented at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV. The data were collected by the CMS det...

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Measurements of angular distance and momentum ratio distributions in three-jet and Z + two-jet final states in pp collisions, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
Collinear (small-angle) and large-angle, as well as soft and hard radiations are investigated in three-jet and Z + two-jet events collected in proton-proton collisions at the LHC. The normalized production cross sections are measured as a f...

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Measurements of production cross sections of polarized same-sign W boson pairs in association with two jets in proton-proton collisions at s=13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
The first measurements of production cross sections of polarized same-sign W±W± boson pairs in proton-proton collisions are reported. The measurements are based on a data sample collected with the CMS detector at the LHC at a center-of-mass...

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Observation of Forward Neutron Multiplicity Dependence of Dimuon Acoplanarity in Ultraperipheral Pb-Pb Collisions at sNN =5.02 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
The first measurement of the dependence of γγ→μ+μ- production on the multiplicity of neutrons emitted very close to the beam direction in ultraperipheral heavy ion collisions is reported. Data for lead-lead interactions at sNN=5.02 TeV, wit...

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Performance of the CMS muon trigger system in proton-proton collisions at √s = 13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
The muon trigger system of the CMS experiment uses a combination of hardware and software to identify events containing a muon. During Run 2 (covering 2015-2018) the LHC achieved instantaneous luminosities as high as 2 × 10 cm s while deliv...

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Search for a heavy resonance decaying to a top quark and a W boson at √s = 13 TeV in the fully hadronic final state, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
A search for a heavy resonance decaying to a top quark and a W boson in the fully hadronic final state is presented. The analysis is performed using data from proton-proton collisions at a center-of-mass energy of 13 TeV, corresponding to a...

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Search for a heavy vector resonance decaying to a Z boson and a Higgs boson in proton-proton collisions at √s=13Te, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
A search is presented for a heavy vector resonance decaying into a Z boson and the standard model Higgs boson, where the Z boson is identified through its leptonic decays to electrons, muons, or neutrinos, and the Higgs boson is identified ...

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Search for dark matter produced in association with a leptonically decaying Z boson in proton–proton collisions at √s=13Te, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
A search for dark matter particles is performed using events with a Z boson candidate and large missing transverse momentum. The analysis is based on proton–proton collision data at a center-of-mass energy of 13Te, collected by the CMS expe...

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Search for dark photons in Higgs boson production via vector boson fusion in proton-proton collisions at √s = 13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
A search is presented for a Higgs boson that is produced via vector boson fusion and that decays to an undetected particle and an isolated photon. The search is performed by the CMS collaboration at the LHC, using a data set corresponding t...

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Search for long-lived particles decaying to jets with displaced vertices in proton-proton collisions at s =13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
A search is presented for long-lived particles produced in pairs in proton-proton collisions at the LHC operating at a center-of-mass energy of 13 TeV. The data were collected with the CMS detector during the period from 2015 through 2018, ...

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Search for new physics in top quark production with additional leptons in proton-proton collisions at √s = 13 TeV using effective field theory, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
Events containing one or more top quarks produced with additional prompt leptons are used to search for new physics within the framework of an effective field theory (EFT). The data correspond to an integrated luminosity of 41.5 fb−1 of pro...

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Search for nonresonant Higgs boson pair production in final states with two bottom quarks and two photons in proton-proton collisions at √s = 13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
A search for nonresonant production of Higgs boson pairs via gluon-gluon and vector boson fusion processes in final states with two bottom quarks and two photons is presented. The search uses data from proton-proton collisions at a center-o...

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Search for singly and pair-produced leptoquarks coupling to third-generation fermions in proton-proton collisions at s=13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
A search for leptoquarks produced singly and in pairs in proton-proton collisions is presented. We consider the leptoquark (LQ) to be a scalar particle of charge −1/3e coupling to a top quark plus a tau lepton (tτ) or a bottom quark plus a ...

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Search for supersymmetry in final states with two oppositely charged same-flavor leptons and missing transverse momentum in proton-proton collisions at √s = 13 TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
A search for phenomena beyond the standard model in final states with two oppositely charged same-flavor leptons and missing transverse momentum is presented. The search uses a data sample of proton-proton collisions at s = 13 TeV, correspo...

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Search for the rare decay of the W boson into a pion and a photon in proton-proton collisions at s=13TeV, The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, W. Adam, T. Bergauer, M. Dragicevic, and Julie M. Hogan
A search is performed for the rare decay W±→π±γ in proton-proton collisions at s=13TeV. Data corresponding to an integrated luminosity of 137fb−1 were collected during 2016 to 2018 with the CMS detector. This analysis exploits a novel searc...

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Probing effective field theory operators in the associated production of top quarks with a Z boson in multilepton final states at √s = 13 TeV, The CMS Collaboration, N. Tonon, H. Aarup Petersen, M. Aldaya Martin, P. Asmuss, S. Baxter, and Julie M. Hogan
A search for new top quark interactions is performed within the framework of an effective field theory using the associated production of either one or two top quarks with a Z boson in multilepton final states. The data sample corresponds t...

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Measurement of prompt open-charm production cross sections in proton-proton collisions at √s = 13 TeV, The CMS Collaboration, A. Tumasyan, W. Adam, F. Ambrogi, T. Bergauer, M. Dragicevic, and Julie M. Hogan
The production cross sections for prompt open-charm mesons in proton-proton collisions at a center-of-mass energy of 13 TeV are reported. The measurement is performed using a data sample collected by the CMS experiment corresponding to an i...

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Combined searches for the production of supersymmetric top quark partners in proton–proton collisions at √s=13Te, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
A combination of searches for top squark pair production using proton–proton collision data at a center-of-mass energy of 13Te at the CERN LHC, corresponding to an integrated luminosity of 137fb-1 collected by the CMS experiment, is present...

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Measurement of differential t t ¯ production cross sections in the full kinematic range using lepton+jets events from proton-proton collisions at s =13 TeV MEASUREMENT of DIFFERENTIAL ... A. TUMASYAN et al., The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
Measurements of differential and double-differential cross sections of top-quark pair (tt¯) production are presented in the lepton+jets channels with a single electron or muon and jets in the final state. The analysis combines for the first...

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Measurement of the electroweak production of Zγ and two jets in proton-proton collisions at s =13 TeV and constraints on anomalous quartic gauge couplings, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
The first observation of the electroweak (EW) production of a Z boson, a photon, and two forward jets (Zγjj) in proton-proton collisions at a center-of-mass energy of 13 TeV is presented. A data set corresponding to an integrated luminosity...

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Measurement of the inclusive and differential t t¯ γ cross sections in the single-lepton channel and EFT interpretation at √s = 13 TeV, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
The production cross section of a top quark pair in association with a photon is measured in proton-proton collisions at a center-of-mass energy of 13 TeV. The data set, corresponding to an integrated luminosity of 137 fb−1, was recorded by...

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Measurement of the top quark mass using events with a single reconstructed top quark in pp collisions at √s = 13 TeV, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
A measurement of the top quark mass is performed using a data sample enriched with single top quark events produced in the t channel. The study is based on proton- proton collision data, corresponding to an integrated luminosity of 35.9 fb−...

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Measurements of the Electroweak Diboson Production Cross Sections in Proton-Proton Collisions at s =5.02 TeV Using Leptonic Decays, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
The first measurements of diboson production cross sections in proton-proton interactions at a center-of-mass energy of 5.02 TeV are reported. They are based on data collected with the CMS detector at the LHC, corresponding to an integrated...

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Measurements of the pp → W± γγ and pp → Zγγ cross sections at √s = 13 TeV and limits on anomalous quartic gauge couplings, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
The cross section for W or Z boson production in association with two photons is measured in proton-proton collisions at a centre-of-mass energy of 13 TeV. The data set corresponds to an integrated luminosity of 137 fb−1 collected by the CM...

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Observation of tW production in the single-lepton channel in pp collisions at √s = 13 TeV, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
A measurement of the cross section of the associated production of a single top quark and a W boson in final states with a muon or electron and jets in proton-proton collisions at s = 13 TeV is presented. The data correspond to an integrate...

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Search for a heavy Higgs boson decaying into two lighter Higgs bosons in the ττbb final state at 13 TeV, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
A search for a heavy Higgs boson H decaying into the observed Higgs boson h with a mass of 125 GeV and another Higgs boson hS is presented. The h and hS bosons are required to decay into a pair of tau leptons and a pair of b quarks, respect...

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Search for chargino-neutralino production in events with Higgs and W bosons using 137 fb −1 of proton-proton collisions at √s = 13 TeV, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
A search for electroweak production of supersymmetric (SUSY) particles in final states with one lepton, a Higgs boson decaying to a pair of bottom quarks, and large missing transverse momentum is presented. The search uses data from proton-...

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Search for Long-Lived Particles Decaying in the CMS End Cap Muon Detectors in Proton-Proton Collisions at s =13 TeV, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
A search for long-lived particles (LLPs) produced in decays of standard model (SM) Higgs bosons is presented. The data sample consists of 137 fb-1 of proton-proton collisions at s=13 TeV, recorded at the LHC in 2016-2018. A novel technique ...

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Search for new particles in events with energetic jets and large missing transverse momentum in proton-proton collisions at √s = 13 TeV, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
A search is presented for new particles produced at the LHC in proton-proton collisions at s = 13 TeV, using events with energetic jets and large missing transverse momentum. The analysis is based on a data sample corresponding to an integr...

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Study of Z boson plus jets events using variables sensitive to double-parton scattering in pp collisions at 13 TeV, The CMS Collaboration, A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer, S. Chatterjee, and Julie M. Hogan
Double-parton scattering is investigated using events with a Z boson and jets. The Z boson is reconstructed using only the dimuon channel. The measurements are performed with proton-proton collision data recorded by the CMS experiment at th...

Submissions from 2020

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High-Speed Fluctuations in Surface-Enhanced Raman Scattering Intensities from Various Nanostructures, Ariadne T. Bido, Britta G. Nordberg, Marit A. Engevik, Nathan C. Lindquist, and Alexandre G. Brolo
The observation of single molecule events using surface-enhanced Raman scattering (SERS) is a well-established phenomenon. These events are characterized by strong fluctuations in SERS intensities. High-speed SERS intensity fluctuations (in...

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Dynamic Imaging of Multiple SERS Hotspots on Single Nanoparticles, Carlos Diego L. De Albuquerque, Kallai M. Hokanson, Sarah R. Thorud, Regivaldo G. Sobral-Filho, Nathan C. Lindquist, and Alexandre G. Brolo
Signal intensity fluctuations are a ubiquitous characteristic of single-molecule surface-enhanced Raman scattering (SERS). In this work, we observed SERS intensity fluctuations (SIFs) from single nanoparticles fully coated with an adsorbate...

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Doppler-free Spectroscopy in an Optics Teaching Lab, Nathan D. Lemke
This is a video recording of the presentation of an invited paper at the University of Arizona Optics and Photonics Winter School and Workshop in Tucson, AZ. Dr. Lemke's presentation is between 25:18 to 49:05....

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Digital plasmonic holography with iterative phase retrieval for sensing, Ryan M. Spies, Isaac M. Vliem, Alexandre G. Brolo, and Nathan C. Lindquist
Digital holographic microscopy techniques are combined with leakage radiation microscopy and used for lens-less in-plane surface imaging with propagating surface plasmon waves. Using iterative phase retrieval techniques, applications in pla...