Yazar "Sirunyan, A.M." için listeleme
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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 = 13 TeV
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Andrejkovic, J.W.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Springer, 2021)Production cross sections of the Higgs boson are measured in the \({\mathrm{H}} \rightarrow {\mathrm{Z}} {\mathrm{Z}} \rightarrow 4\ell \) (\(\ell ={\mathrm{e}},{{{\upmu }}_{\mathrm{}}^{\mathrm{}}} \)) decay channel. A ... -
Measurements of properties of the Higgs boson decaying into the four-lepton final state in pp collisions at ?s=13 TeV
CMS collaboration; Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Özdemir, Kadri; CMS Collaboration (Springer Verlag, 2017)Properties of the Higgs boson are measured in the H ? ZZ ? 4? (? = e, ?) decay channel. A data sample of proton-proton collisions at s=13 TeV, collected with the CMS detector at the LHC and corresponding to an integrated ... -
Measurements of the pp -> W-+/-gamma gamma and pp -> Z gamma gamma cross sections at root s=13 TeV and limits on anomalous quartic gauge couplings
Sirunyan, A.M.; Adam, W.; Andrejkovic, J.W.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Springer, 2021)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) ... -
Measurements of the pp → W± γγ and pp → Zγγ cross sections at √s = 13 TeV and limits on anomalous quartic gauge couplings
Sirunyan, A.M.; Adam, W.; Andrejkovic, J.W.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Springer Verlag, 2021)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 ... -
MUSiC: a model-unspecific search for new physics in proton-proton collisions at root s=13TeV
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Ambrogi,F.; Özdemir, Kadri; CMS Collaboration (Springer, 2021)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 13 TeV, corresponding to an integrated luminosity of 35.9 fb(-1), are presented. ... -
MUSiC: a model-unspecific search for new physics in proton–proton collisions at √s = 13 TeV
CMS Collaboration; Sirunyan, A.M. (Springer, 2021)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 ... -
Observation of a New Excited Beauty Strange Baryon Decaying to Ξ− b π + π −
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Ambrogi,F.; Bergauer, T.; Brandstetter, J.; Özdemir, Kadri; CMS Collaboration (American Physical Society, 2021)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 ... -
Observation of Forward Neutron Multiplicity Dependence of Dimuon Acoplanarity in Ultraperipheral Pb-Pb Collisions at root S-NN=5.02 TeV
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (American Physical Society, 2021)The first measurement of the dependence of gamma gamma -> mu(+)mu(-) production on the multiplicity of neutrons emitted very close to the beam direction in ultraperipheral heavy ion collisions is reported. Data for lead-lead ... -
Observation of Forward Neutron Multiplicity Dependence of Dimuon Acoplanarity in Ultraperipheral Pb-Pb Collisions at sNN =5.02 TeV
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (American Physical Society, 2021)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 ... -
Observation of Medium-Induced Modifications of Jet Fragmentation in Pb-Pb Collisions at sNN =5.02 TeV Using Isolated Photon-Tagged Jets
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (American Physical Society, 2018)Measurements of fragmentation functions for jets associated with an isolated photon are presented for the first time in pp and Pb-Pb collisions. The analysis uses data collected with the CMS detector at the CERN LHC at a ... -
Performance of the CMS muon trigger system in proton-proton collisions at root s=13 TeV
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Özdemir, Kadri; CMS Collaboration (IOP Publishing, 2022)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 x ... -
Performance of the CMS muon trigger system in proton-proton collisions at √s = 13 TeV
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (IOP Publishing, 2021)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 × ... -
Precision luminosity measurement in proton-proton collisions at root S=13 TeV in 2015 and 2016 at CMS
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Andrejkovic, J.W.; Özdemir, Kadri; CMS Collaboration (Springeropen, 2021)The measurement of the luminosity recorded by the CMS detector installed at LHC interaction point 5, using proton-proton collisions at root S = 13 TeV in 2015 and 2016, is reported. The absolute luminosity scale is measured ... -
Precision luminosity measurement in proton–proton collisions at √s=13TeV in 2015 and 2016 at CMS
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Andrejkovic, J.W.; Özdemir, Kadri (SpringerOpen, 2021)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 ... -
Pseudorapidity and transverse momentum dependence of flow harmonics in p Pb and PbPb collisions
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Ambrogi, F.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (American Physical Society, 2018)Measurements of azimuthal angular correlations are presented for high-multiplicity pPb collisions at sNN=5.02TeV and peripheral PbPb collisions at sNN=2.76TeV. The data used in this work were collected with the Compact ... -
Pseudorapidity dependence of long-range two-particle correlations in pPb collisions at s NN =5.02 TeV
Khachatryan, V.; Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (American Physical Society, 2017)Two-particle correlations in pPb collisions at a nucleon-nucleon center-of-mass energy of 5.02TeV are studied as a function of the pseudorapidity separation (??) of the particle pair at small relative azimuthal angle ... -
Search for a heavy resonance decaying to a top quark and a W boson at √s = 13 TeV in the fully hadronic final state
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Springer, 2021)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, ... -
Search for a massive resonance decaying into a higgs boson and a W or Z boson in hadronic final states in proton-proton collisions at (Formula presented) = 8 TeV
Khachatryan, V.; Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Springer Verlag, 2016)A search for a massive resonance decaying into a standard-model-like Higgs boson (H) and a W or Z boson is reported. The analysis is performed on a data sample corresponding to an integrated luminosity of 19.7 fb-1, collected ... -
Search for a pseudoscalar boson decaying into a Z boson and the 125 GeV Higgs boson in ?+??bb? final states
Khachatryan, V.; Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Özdemir, Kadri; CMS Collaboration (Elsevier B.V., 2015)Results are reported on a search for decays of a pseudoscalar A boson into a Z boson and a light scalar h boson, where the Z boson decays into a pair of oppositely-charged electrons or muons, and the h boson decays into ... -
Search for anomalous couplings in boosted WW/WZ???qq? production in proton–proton collisions at s=8 TeV
Sirunyan, A.M.; Tumasyan, A.; Adam, W.; Asilar, E.; Bergauer, T.; Brandstetter, J.; Özdemir, Kadri; CMS Collaboration (Elsevier B.V., 2017)This Letter presents a search for new physics manifested as anomalous triple gauge boson couplings in WW and WZ diboson production in proton–proton collisions. The search is performed using events containing a W boson that ...