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Profil bibliographique

K. Y. Kao

Informations fournies par OpenAlex. Research Africa ne déduit ni nationalité, ni poste, ni coordonnées personnelles.

37Publications signalées
4159Citations signalées
2Affiliations récentes

Les institutions déclarées

Les domaines associés

Particle physics theoretical and experimental studiesHigh-Energy Particle Collisions ResearchQuantum Chromodynamics and Particle InteractionsDark Matter and Cosmic PhenomenaParticle Detector Development and Performance

Les publications récentes

Accès ouvert 2014 article OpenAlex

Measurement of the ratio of inclusive jet cross sections using the anti- kT algorithm with radius parameters R=0.5 and 0.7 in pp collisions at s=7 TeV

S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres

Measurements of the inclusive jet cross section with the anti-${k}_{\mathrm{T}}$ clustering algorithm are presented for two radius parameters, $R=0.5$ and 0.7. They are based on data from LHC proton-proton collisions at $\sqrt{s}=7\text{ }\text{ }\mathrm{TeV}$ corresponding to an integrated luminosity of $5.0\text{ }\text{ …

am, at, be, kr (code pays fourni par la source)

87 citations Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields
Accès ouvert 2014 article OpenAlex

Measurement of the tt¯ production cross section in pp collisions at s=8 TeV in dilepton final states containing one τ lepton

V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam et autres

The top-quark pair production cross section is measured in final states with one electron or muon and one hadronically decaying τ lepton from the process t t ¯ → ( ℓ ν ℓ ) ( τ ν τ ) b b ¯ …

am, at, by, be, ch (code pays fourni par la source)

31 citations Physics Letters B
Accès ouvert 2014 article OpenAlex

Measurement of the muon charge asymmetry in inclusive pp→W+X production at s=7 TeV and an improved determination of light parton distribution functions

S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres

Measurements of the muon charge asymmetry in inclusive $pp\ensuremath{\rightarrow}W+X$ production at $\sqrt{s}=7\text{ }\text{ }\mathrm{TeV}$ are presented. The data sample corresponds to an integrated luminosity of $4.7\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ recorded with the CMS detector at the LHC. With a sample of more than …

am, at, be, kr (code pays fourni par la source)

141 citations Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields
Accès ouvert 2014 article OpenAlex

Search for massive resonances decaying into pairs of boosted bosons in semi-leptonic final states at s $$ \sqrt{s} $$ = 8 TeV

V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam et autres

A search for new resonances decaying to WW, ZZ, or WZ is presented. Final states are considered in which one of the vector bosons decays leptonically and the other hadronically. Results are based on data corresponding to an integrated luminosity of 19.7 …

am, at, be (code pays fourni par la source)

157 citations Journal of High Energy Physics
Accès ouvert 2014 article OpenAlex

Measurement of the production cross section for a W boson and two b jets in pp collisions at s=7 TeV

S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres

The production cross section for a W boson and two b jets is measured using proton–proton collisions at s = 7 TeV in a data sample collected with the CMS experiment at the LHC corresponding to an integrated luminosity of 5.0 fb …

am, at, by, be (code pays fourni par la source)

50 citations Physics Letters B
Accès ouvert 2014 article OpenAlex

Observation of a peaking structure in the J / ψ ϕ mass spectrum from B ± → J / ψ ϕ K ± decays

S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres

A peaking structure in the J/ψϕ mass spectrum near threshold is observed in B±→J/ψϕK± decays, produced in pp collisions at s=7 TeV collected with the CMS detector at the LHC. The data sample, selected on the basis of the dimuon decay mode …

am, at, by, be (code pays fourni par la source)

153 citations Physics Letters B
Accès ouvert 2014 article OpenAlex

Measurement of the properties of a Higgs boson in the four-lepton final state

S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres

The properties of a Higgs boson candidate are measured in the $H\ensuremath{\rightarrow}ZZ\ensuremath{\rightarrow}4\ensuremath{\ell}$ decay channel, with $\ensuremath{\ell}=e$, $\ensuremath{\mu}$, using data from $pp$ collisions corresponding to an integrated luminosity of $5.1\text{ }\text{ }{\mathrm{fb}}^{\ensuremath{-}1}$ at the center-of-mass energy of $\sqrt{s}=7\text{ }\text{ }\mathrm{TeV}$ and $19.7\text{ }\text{ …

am, at, be, kr (code pays fourni par la source)

508 citations Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields
Accès ouvert 2014 article OpenAlex

Event activity dependence of $ Y $ (nS) production in $ \sqrt{{{s_{NN }}}} $ = 5.02 TeV pPb and $ \sqrt{s} $ = 2.76 TeV pp collisions

S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres

The production of Y(1S), Y(2S), and Y(3S) is investigated in pPb and pp collisions at centre-of-mass energies per nucleon pair of 5.02 TeV and 2.76 TeV, respectively. The datasets correspond to integrated luminosities of about 31 inverse nanobarns (pPb) and 5.4 inverse …

am, at, be (code pays fourni par la source)

101 citations Journal of High Energy Physics
Accès ouvert 2014 article OpenAlex

Measurement of Higgs boson production and properties in the WW decay channel with leptonic final states

S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres

Abstract A search for the standard model Higgs boson decaying to a W-boson pair at the LHC is reported. The event sample corresponds to an integrated luminosity of 4.9 fb−1and 19.4 fb−1collected with the CMS detector in pp collisions at $ \sqrt{s} …

am, at, be (code pays fourni par la source)

325 citations Journal of High Energy Physics
Accès ouvert 2013 article OpenAlex

Measurement of the prompt J/ψ and ψ(2S) polarizations in pp collisions at s=7 TeV

S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres

The polarizations of prompt J /ψ and ψ(2S) mesons are measured in proton-proton collisions at √ s = 7 TeV, using a dimuon data sample collected by the CMS experiment at the LHC, corresponding to an integrated luminosity of 4.9 fb -1 …

am, at, by, be, ch (code pays fourni par la source)

159 citations Physics Letters B
Accès ouvert 2013 article OpenAlex

Angular analysis and branching fraction measurement of the decay B0→K⁎0μ+μ−

S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres

The angular distributions and the differential branching fraction of the decay B0→K⁎(892)0μ+μ− are studied using a data sample corresponding to an integrated luminosity of 5.2fb−1 collected with the CMS detector at the LHC in pp collisions at s=7TeV. From more than 400 …

am, at, by, be (code pays fourni par la source)

73 citations Physics Letters B
Accès ouvert 2013 article OpenAlex

Search for the standard model Higgs boson produced in association with a top-quark pair in pp collisions at the LHC

S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres

Abstract A search for the standard model Higgs boson produced in association with a top-quark pair is presented using data samples corresponding to an integrated luminosity of 5.0 fb−1 (5.1 fb−1) collected in pp collisions at the center-of-mass energy of 7 TeV …

am, at, by, be (code pays fourni par la source)

72 citations Journal of High Energy Physics

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