Yazar "Adam, W." için listeleme
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Nuclear effects on the transverse momentum spectra of charged particles in pPb collisions at root s(NN)=5.02 TeV
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (Springer, 2015)Transverse momentum spectra of charged particles are measured by the CMS experiment at the CERN LHC in pPb collisions at root s(NN) = 5.02 TeV, in the range 0.4 < pT < 120 GeV/c and pseudorapidity |eta(CM)| < 1.8 in the ... -
Observation of the rare B0s??+?- decay from the combined analysis of CMS and LHCb data
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (Nature Publishing Group, 2015)The standard model of particle physics describes the fundamental particles and their interactions via the strong, electromagnetic and weak forces. It provides precise predictions for measurable quantities that can be tested ... -
Performance of electron reconstruction and selection with the CMS detector in proton-proton collisions at ?s = 8 TeV
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (Institute of Physics Publishing, 2015)The performance and strategies used in electron reconstruction and selection at CMS are presented based on data corresponding to an integrated luminosity of 19.7 fb-1, collected in proton-proton collisions at ?s = 8 TeV ... -
Performance of photon reconstruction and identification with the CMS detector in proton-proton collisions at s = 8 TeV
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (Institute of Physics Publishing, 2015)A description is provided of the performance of the CMS detector for photon reconstruction and identification in proton-proton collisions at a centre-of-mass energy of 8 TeV at the CERN LHC. Details are given on the ... -
Performance of the CMS missing transverse momentum reconstruction in pp data at ?s = 8 TeV
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (Institute of Physics Publishing, 2015)The performance of missing transverse energy reconstruction algorithms is presented using ?s = 8 TeV proton-proton (pp) data collected with the CMS detector. Events with anomalous missing transverse energy are studied, and ... -
Precise determination of the mass of the Higgs boson and tests of compatibility of its couplings with the standard model predictions using proton collisions at 7 and 8 TeV
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (Springer, 2015)Properties of the Higgs boson with mass near 125 GeV are measured in proton-proton collisions with the CMS experiment at the LHC. Comprehensive sets of production and decay measurements are combined. The decay channels ... -
Production of leading charged particles and leading charged-particle jets at small transverse momenta in pp collisions at s =8 TeV
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (American Physical Society, 2015)The per-event yield of the highest transverse momentum charged particle and charged-particle jet, integrated above a given pTmin threshold starting at pTmin=0.8 and 1 GeV, respectively, is studied in pp collisions at s=8 ... -
Search for a standard model Higgs boson produced in association with a top-quark pair and decaying to bottom quarks using a matrix element method
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (Springer, 2015)A search for a standard model Higgs boson produced in association with a top-quark pair and decaying to bottom quarks is presented. Events with hadronic jets and one or two oppositely charged leptons are selected from a ... -
Search for a standard model-like Higgs boson in the ?+?? and e+e? decay channels at the LHC
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (Elsevier B.V., 2015)A search is presented for a standard model-like Higgs boson decaying to the ?+?? or e+e? final states based on proton–proton collisions recorded by the CMS experiment at the CERN LHC. The data correspond to integrated ... -
Search for decays of stopped long-lived particles produced in proton-proton collisions at root s=8TeV
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (Springer, 2015)A search has been performed for long-lived particles that could have come to rest within the CMS detector, using the time intervals between LHC beam crossings. The existence of such particles could be deduced from observation ... -
Search for disappearing tracks in proton-proton collisions at TeV.
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (Springer Verlag, 2015)Abstract: A search is presented for long-lived charged particles that decay within the CMS detector and produce the signature of a disappearing track. Disappearing tracks are identified as those with little or no associated ... -
Search for Displaced Supersymmetry in Events with an Electron and a Muon with Large Impact Parameters
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (Amer Physical Soc, 2015)A search for new long-lived particles decaying to leptons is presented using proton-proton collisions produced by the LHC at root s = 8 TeV. Data used for the analysis were collected by the CMS detector and correspond to ... -
Search for heavy Majorana neutrinos in ?±?± + jets events in proton-proton collisions at s=8 TeV
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (Elsevier B.V., 2015)A search is performed for heavy Majorana neutrinos (N) using an event signature defined by two muons of the same charge and two jets (?±?±jj). The data correspond to an integrated luminosity of 19.7 fb-1 of proton-proton ... -
Search for lepton-flavour-violating decays of the Higgs boson
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (Elsevier B.V., 2015)The first direct search for lepton-flavour-violating decays of the recently discovered Higgs boson (H) is described. The search is performed in the H???e and H???h channels, where ?e and ?h are tau leptons reconstructed ... -
Search for long-lived particles that decay into final states containing two electrons or two muons in proton-proton collisions at root s=8Tev
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (Amer Physical Soc, 2015)A search is performed for long-lived particles that decay into final states that include a pair of electrons or a pair of muons. The experimental signature is a distinctive topology consisting of a pair of charged leptons ... -
Search for narrow high-mass resonances in proton–proton collisions at s=8 TeV decaying to a Z and a Higgs boson
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (Elsevier B.V., 2015)A search for a narrow, high-mass resonance decaying into Z and Higgs (H) bosons is presented. The final state studied consists of a merged jet pair and a ? pair resulting from the decays of Z and H bosons, respectively. ... -
Search for neutral color-octet weak-triplet scalar particles in proton-proton collisions at ?s= 8TeV
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (Springer Verlag, 2015)Abstract: A search for pair production of neutral color-octet weak-triplet scalar particles (?0) is performed in processes where one ?0 decays to a pair of b quark jets and the other to a Z boson plus a jet, with the Z ... -
Search for neutral MSSM Higgs bosons decaying to a pair of tau leptons in pp collisions
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (Springer Verlag, 2014)Abstract: A search for neutral Higgs bosons in the minimal supersymmetric extension of the standard model (MSSM) decaying to tau-lepton pairs in pp collisions is performed, using events recorded by the CMS experiment at ... -
Search for new phenomena in monophoton final states in proton–proton collisions at s=8 TeV
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (Elsevier B.V., 2016)Results are presented from a search for new physics in final states containing a photon and missing transverse momentum. The data correspond to an integrated luminosity of 19.6 fb?1 collected in proton–proton collisions ... -
Search for pair-produced resonances decaying to jet pairs in proton–proton collisions at s=8 TeV
Khachatryan, V.; Sirunyan, A. M.; Tumasyan, A.; Adam, W.; Bergauer, T.; Dragicevic, M.; Collaboration (Elsevier B.V., 2015)Results are reported of a general search for pair production of heavy resonances decaying to pairs of hadronic jets in events with at least four jets. The study is based on up to 19.4 fb?1 of integrated luminosity from ...