Browsing by Author "Khachatryan, V."
Now showing items 101-120 of 233
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Observation of the decay B+ -> psi(2S)phi(1020)K+ in pp collisions at root s=8 TeV
Khachatryan, V.; Işıldak, Bora (Elsevier, 2017)The decay B+→ψ(2S)ϕ(1020)K+ is observed for the first time using data collected from pp collisions at View the MathML source by the CMS experiment at the LHC, corresponding to an integrated luminosity of 19.6View the MathML ... -
Observation of the diphoton decay of the Higgs boson and measurement of its properties
Khachatryan, V.; Işıldak, Bora (Springer Nature, 2014-10)Observation of the diphoton decay mode of the recently discovered Higgs boson and measurement of some of its properties are reported. The analysis uses the entire dataset collected by the CMS experiment in proton-proton ... -
Observation of the rare Bs0 →µ+µ− decay from the combined analysis of CMS and LHCb data
Khachatryan, V.; Işıldak, Bora (Macmillan Publishers, 2015-06-04)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 ... -
Observation of top quark pairs produced in association with a vector boson in pp collisions at root s=8 TeV
Khachatryan, V.; Işıldak, Bora (Springer Nature, 2016-01)Measurements of the cross sections for top quark pairs produced in association with a W or Z boson are presented, using 8 TeV pp collision data corresponding to an integrated luminosity of 19.5 fb−1, collected by the CMS ... -
Performance of electron reconstruction and selection with the CMS detector in proton-proton collisions at root s=8 TeV
Khachatryan, V.; Işıldak, Bora (IOP Publishing, 2015-06)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.; Işıldak, Bora (IOP Publishing, 2015-08)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 root s=8 TeV
Khachatryan, V.; Işıldak, Bora (IOP Publishing, 2015-02)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 ... -
Phenomenological MSSM interpretation of CMS searches in pp collisions at root s=7 and 8 TeV
Khachatryan, V.; Işıldak, Bora (Springer Nature, 2016-10)Searches for new physics by the CMS collaboration are interpreted in the framework of the phenomenological minimal supersymmetric standard model (pMSSM). The data samples used in this study were collected at s√=7s=7 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.; Işıldak, Bora (Springer Nature, 2015-05)Properties of the Higgs boson with mass near 125GeV 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.; Işıldak, Bora (2015-12-01)The per-event yield of the highest transverse momentum charged particle and charged-particle jet, integrated above a given pminT threshold starting at pminT=0.8 and 1 GeV, respectively, is studied in pp collisions at ... -
Pseudorapidity dependence of long-range two-particle correlations in pPb collisions at √sNN = 5.02 TeV
Khachatryan, V.; Işıldak, Bora (American Physical Society, 2017-07-31)Two-particle correlations in pPb collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV are studied as a function of the pseudorapidity separation (Delta eta) of the particle pair at small relative azimuthal ... -
Pseudorapidity distribution of charged hadrons in proton-proton collisions at s=13 TeV
Khachatryan, V.; Işıldak, Bora (Elsevier, 2015-12-17)The pseudorapidity distribution of charged hadrons in pp collisions at View the MathML source is measured using a data sample obtained with the CMS detector, operated at zero magnetic field, at the CERN LHC. The yield of ... -
Reconstruction and identification of τ lepton decays to hadrons and ν<inf>τ</inf> at CMS
Khachatryan, V.; Işıldak, Bora (2016-01)This paper describes the algorithms used by the CMS experiment to reconstruct and identify τ → hadrons + ντ decays during Run 1 of the LHC. The performance of the algorithms is studied in proton-proton collisions recorded ... -
Search for a charged Higgs boson in pp collisions at √s = 8 TeV
Khachatryan, V.; Işıldak, Bora (Springer International Publishing, 2015-11)A search for a charged Higgs boson is performed with a data sample corresponding to an integrated luminosity of 19.7 ± 0.5 fb−1 collected with the CMS detector in proton-proton collisions at s√=8s=8 ,TeV. The charged Higgs ... -
Search for a Higgs boson decaying into γ*γ→ℓℓγ with low dilepton mass in pp collisions at √s=8 TeV
Khachatryan, V.; Işıldak, Bora (Elsevier, 2016-02-10)A search is described for a Higgs boson decaying into two photons, one of which has an internal conversion to a muon or an electron pair (ℓℓγ). The analysis is performed using proton–proton collision data recorded with the ... -
Search for a Higgs boson in the mass range from 145 to 1000 GeV decaying to a pair of W or Z bosons
Khachatryan, V.; Işıldak, Bora (Springer International Publishing, 2015-10)A search for a heavy Higgs boson in the H → WW and H → ZZ decay channels is reported. The search is based upon proton-proton collision data samples corresponding to an integrated luminosity of up to 5.1 fb−1 at s√=7s=7 ... -
Search for a light charged Higgs boson decaying to cs¯cs¯ in pp collisions at s√=8s=8 TeV
Khachatryan, V.; Işıldak, Bora (Springer International Publishing, 2015-12)A search for a light charged Higgs boson, originating from the decay of a top quark and subsequently decaying into a charm quark and a strange antiquark, is presented. The data used in the analysis correspond to an integrated ... -
Search for a low-mass pseudoscalar Higgs boson produced in association with a bb[U+203E] pair in pp collisions at √s=8 TeV
Khachatryan, V.; Işıldak, Bora (Elsevier, 2016-07-10)A search is reported for a light pseudoscalar Higgs boson decaying to a pair of τ leptons, produced in association with a View the MathML source pair, in the context of two-Higgs-doublet models. The results are based on ... -
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 s√=8s=8 TeV
Khachatryan, V.; Işıldak, Bora (Springer Nature, 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 standard model Higgs boson produced in association with a top-quark pair and decaying to bottom quarks using a matrix element method
Khachatryan, V.; Işıldak, Bora (Springer Nature, 2015-06)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 ...
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