S. Dey

Performance of the CMS high-level trigger during LHC Run 2

A. Hayrapetyan, A. Tumasyan, W. Adam, Janik Walter Andrejkovic et autres

Abstract The CERN LHC provided proton and heavy ion collisions during its Run 2 operation period from 2015 to 2018. Proton-proton collisions reached a peak instantaneous luminosity of 2.1× 10 34 cm -2 s -1 , twice the initial design value, at …

Search for heavy Higgs bosons decaying to a top quark pair in proton-proton collisions at $$ \sqrt{s} $$ = 13 TeV

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

Abstract A search is presented for additional scalar (H) or pseudoscalar (A) Higgs bosons decaying to a top quark pair in proton-proton collisions at a center-of-mass energy of 13 TeV. The data set analyzed corresponds to an integrated luminosity of 35.9 fb …

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Constraints on anomalous HVV couplings from the production of Higgs bosons decaying to τ lepton pairs

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

A study is presented of anomalous $HVV$ interactions of the Higgs boson, including its $CP$ properties. The study uses Higgs boson candidates produced mainly in vector boson fusion and gluon fusion that subsequently decay to a pair of $\ensuremath{\tau}$ leptons. The data …

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Measurements of triple-differential cross sections for inclusive isolated-photon+jet events in $$\mathrm{p}\mathrm{p}$$ collisions at $$\sqrt{s} = 8\,\text {TeV} $$

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

Abstract Measurements are presented of the triple-differential cross section for inclusive isolated-photon+jet events in $$\mathrm{p}\mathrm{p}$$ pp collisions at $$\sqrt{s} = 8$$ s=8 TeV as a function of photon transverse momentum ( $$p_{\mathrm {T}} ^{{\upgamma {}{}}}$$ pTγ ), photon pseudorapidity ( $$\eta ^{{\upgamma …

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Pseudorapidity distributions of charged hadrons in xenon-xenon collisions at sNN=5.44 TeV

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

Measurements of the pseudorapidity distributions of charged hadrons produced in xenon-xenon collisions at a nucleon-nucleon centre-of-mass energy of s NN = 5.44 TeV are presented. The measurements are based on data collected by the CMS experiment at the LHC. The yield of …

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Search for MSSM Higgs bosons decaying to μ+μ− in proton-proton collisions at s=13TeV

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

A search is performed for neutral non-standard-model Higgs bosons decaying to two muons in the context of the minimal supersymmetric standard model (MSSM).Proton-proton collision data recorded by the CMS experiment at the CERN Large Hadron Collider at a center-of-mass energy of 13 …

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Measurement of the $${\mathrm {t}\overline{\mathrm {t}}}$$ t t ¯ production cross section, the top quark mass, and the strong coupling constant using dilepton events in pp collisions at $$\sqrt{s}=13\,\text {Te}\text {V} $$ s = 13 Te

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

is in good agreement with previous measurements. The resulting cross section is used, together with the theoretical prediction, to determine the top quark mass and to extract a value of the strong coupling constant with different sets of parton distribution functions.

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Search for excited leptons in ℓℓγ final states in proton-proton collisions at $$ \sqrt{\mathrm{s}}=13 $$ TeV

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

Abstract A search is presented for excited electrons and muons in ℓℓγ final states at the LHC. The search is based on a data sample corresponding to an integrated luminosity of 35.9 fb−1 of proton-proton collisions at a center-of-mass energy of 13 …

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Search for a heavy resonance decaying to a top quark and a vector-like top quark in the lepton + jets final state in pp collisions at $$\sqrt{s} = 13\,\text {TeV} $$ s = 13 TeV

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

A search is presented for a heavy spin-1 resonance Z' decaying to a top quark and a vector-like top quark partner T in the lepton+jets final state. The search is performed using a data set of pp collisions at a centre-of-mass energy …

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Measurements of $$ \mathrm{t}\overline{\mathrm{t}} $$ differential cross sections in proton-proton collisions at $$ \sqrt{\mathrm{s}}=13 $$ TeV using events containing two leptons

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

Abstract Measurements of differential top quark pair $$ \mathrm{t}\overline{\mathrm{t}} $$ t t ¯ cross sections using events produced in proton-proton collisions at a centre-of-mass energy of 13 TeV containing two oppositely charged leptons are presented. The data were recorded by the CMS …

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Search for Dark Matter Particles Produced in Association with a Top Quark Pair at s=13 TeV

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

A search is performed for dark matter particles produced in association with a top quark pair in proton-proton collisions at sqrt[s]=13 TeV. The data correspond to an integrated luminosity of 35.9 fb^{-1} recorded by the CMS detector at the LHC. No significant …

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Measurement of inclusive and differential Higgs boson production cross sections in the diphoton decay channel in proton-proton collisions at $$ \sqrt{s}=13 $$ TeV

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

Abstract Measurements of the inclusive and differential production cross sections for the Higgs boson in the diphoton decay channel are performed using the data set of proton-proton collisions at $$ \sqrt{s}=13 $$ s = 13 TeV collected by the CMS experiment at …

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