Preprints

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2021-11-24
15:17
OpenAccess [PUBDB-2021-04814] Preprint
; ; ; et al
Measurement of the inclusive and differential WZ production cross sections, polarization angles, and triple gauge couplings in pp collisions at $\sqrt{s}$ = 13 TeV
[CERN-EP-2021-163; CMS-SMP-20-014; arXiv:2110.11231]
The associated production of a W and a Z boson is studied in final states with multiple leptons produced in proton-proton (pp) collisions at a centre-of-mass energy of 13 TeV using 137 fb$^{-1}$ of data collected with the CMS detector at the LHC. A measurement of the total inclusive production cross section yields $\sigma_{\text{tot}}$(pp $\to$ WZ) = 50.6 $\pm$ 0.8 (stat) $\pm$ 1.5 (syst) $\pm$ 1.1 (lum) $\pm$ 0.5 (thy) pb. [...]
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2021-11-24
15:15
OpenAccess [PUBDB-2021-04813] Preprint
; ; ; et al
Search for long-lived particles produced in association with a Z boson in proton-proton collisions at $\sqrt{s}$ = 13 TeV
[CERN-EP-2021-198; CMS-EXO-20-003; arXiv:2110.13218]
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 2016-2018, corresponding to an integrated luminosity of 117 fb$^{-1}$. [...]
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2021-11-24
15:13
OpenAccess [PUBDB-2021-04812] Preprint

Search for low-mass dilepton resonances in Higgs boson decays to four-lepton final states in proton-proton collisions at $\sqrt{s}$ =13 TeV
[CERN-EP-2021-093; CMS-HIG-19-007; arXiv:2111.01299]
A search for low-mass dilepton resonances in Higgs boson decays is conducted in the four-lepton final state. The decay is assumed to proceed via a pair of beyond the standard model particles, or one such particle and a Z boson. [...]
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2021-11-24
15:11
OpenAccess [PUBDB-2021-04811] Preprint

Search for flavor-changing neutral current interactions of the top quark and Higgs boson in final states with two photons in proton-proton collisions at $\sqrt{s}$ =13 TeV
[CERN-EP-2021-201; CMS-TOP-20-007; arXiv:2111.02219]
Proton-proton interactions resulting in final states with two photons are studied in a search for the signature of flavor-changing neutral current interactions of top quarks (t) and Higgs bosons (H). The analysis is based on data collected at a center-of-mass energy of 13 TeV with the CMS detector at the LHC, corresponding to an integrated luminosity of 137 fb$^{-1}$. [...]
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2021-11-24
15:09
OpenAccess [PUBDB-2021-04810] Preprint

Inclusive and differential cross section measurements of single top quark production in association with a Z boson in proton-proton collisions at $\sqrt{s}$ = 13 TeV
[CERN-EP-2021-210; CMS-TOP-20-010; arXiv:2111.02860]
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 luminosity of 138 fb$^{-1}$ recorded by the CMS experiment. Events are selected based on the presence of three leptons, electrons or muons, associated with leptonic Z boson and top quark decays. [...]
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2021-11-24
15:06
OpenAccess [PUBDB-2021-04809] Preprint

A new calibration method for charm jet identification validated with proton-proton collision events at $\sqrt{s}$ =13 TeV
[CERN-EP-2021-177; CMS-BTV-20-001; arXiv:2111.03027]
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 calibrate them is presented. [...]
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2021-11-24
15:04
OpenAccess [PUBDB-2021-04808] Preprint
; ; ; et al
Study of dijet events with large rapidity separation in proton-proton collisions at $\sqrt{s}$ = 2.76 TeV
[CERN-EP-2021-173; CMS-FSQ-13-004; arXiv:2111.04605]
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 $\sqrt{s}$ = 2.76 TeV for jets with transverse momentum $p_\mathrm{T} \gt $ 35 GeV and rapidity $\vert y\vert\lt $ 4.7. Various dijet production cross section ratios are also measured. [...]
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2021-11-24
15:02
OpenAccess [PUBDB-2021-04807] Preprint
; ; ; et al
Observation of triple J/$\psi$ meson production in proton-proton collisions at $\sqrt{s}$ = 13 TeV
[CERN-EP-2021-215; CMS-BPH-21-004; arXiv:2111.05370]
The first observation of the simultaneous production of three J/$\psi$ mesons in proton-proton (pp) collisions is presented, based on a data sample collected by the CMS experiment at a center-of-mass energy of 13 TeV and corresponding to an integrated luminosity of 133 fb$^{-1}$. The pp $\to$ J/$\psi\,$J/$\psi\,$J/$\psi\,$X process is observed with a significance above five standard deviations in final states with three $\mu^+\mu^-$ pairs. [...]
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2021-11-24
15:00
OpenAccess [PUBDB-2021-04806] Preprint
; ; ; et al
Search for supersymmetry in final states with two or three soft leptons and missing transverse momentum in proton-proton collisions at $\sqrt{s}$ = 13 TeV
[CERN-EP-2021-168; CMS-SUS-18-004; arXiv:2111.06296]
A search for supersymmetry in events with two or three low-momentum leptons and missing transverse momentum is performed. The search uses proton-proton collisions at $\sqrt{s}$ = 13 TeV collected in the three-year period 2016-2018 by the CMS experiment at the LHC and corresponding to an integrated luminosity of up to 137 fb$^{-1}$. [...]
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2021-11-24
14:57
OpenAccess [PUBDB-2021-04805] Preprint
; ; ; et al
Search for a heavy resonance decaying into a top quark and a W boson in the lepton+jets final state at $\sqrt{s}$= 13 TeV
[CERN-EP-2021-223; CMS-B2G-20-010; arXiv:2111.10216]
A search for a heavy resonance decaying into a top quark and a W boson in proton-proton collisions at $\sqrt{s}$ = 13 TeV is presented. The data analyzed were recorded with the CMS detector at the LHC and correspond to an integrated luminosity of 138 fb$^{-1}$. [...]
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