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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 …
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S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres
Rapidity distributions are presented for events containing either a $Z$ boson or a photon with a single jet in proton-proton collisions produced at the CERN LHC. The data, collected with the CMS detector at $\sqrt{s}=7\text{ }\text{ }\mathrm{TeV}$, correspond to an integrated luminosity …
am, at, be, cn (code pays fourni par la source)
S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres
Measurements are presented of the production of primary ${K}_{S}^{0}$ and $\ensuremath{\Lambda}$ particles in proton-proton collisions at $\sqrt{s}=7\text{ }\text{ }\mathrm{TeV}$ in the region transverse to the leading charged-particle jet in each event. The average multiplicity and average scalar transverse momentum sum of ${K}_{S}^{0}$ …
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S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres
The anisotropy of the azimuthal distributions of charged particles produced in $\sqrt{{s}_{NN}}=2.76$ TeV PbPb collisions is studied with the CMS experiment at the LHC. The elliptic anisotropy parameter, ${v}_{2}$, defined as the second coefficient in a Fourier expansion of the particle invariant …
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S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres
Abstract Results are presented from a search for third-generation leptoquarks and scalar bottom quarks in a sample of proton-proton collisions at $ \sqrt{s}=7\;TeV $ collected by the CMS experiment at the LHC, corresponding to an integrated luminosity of 4.7 fb−1. A scenario …
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S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres
Abstract A search for new physics is performed using isolated same-sign dileptons with at least two b-quark jets in the final state. Results are based on a 4.98 fb−1 sample of proton-proton collisions at a centre-of-mass energy of 7 TeV collected by …
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S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres
A search for high-mass resonances decaying into τ + τ -is performed using a data sample of pp collisions at √ s = 7 TeV.The data were collected with the CMS detector at the LHC and correspond to an integrated luminosity of …
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S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres
Abstract A search for a new heavy gauge boson W′ decaying to an electron or muon, plus a low mass neutrino, is presented. This study uses data corresponding to an integrated luminosity of 5.0 fb−1, collected using the CMS detector in pp …
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S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres
Abstract The production of b jets in association with a Z/γ* boson is studied using proton-proton collisions delivered by the LHC at a centre-of-mass energy of 7 TeV and recorded by the CMS detector. The inclusive cross section for Z/γ* + b-jet …
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S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres
Abstract Results are presented from a search for heavy bottom-like quarks, pair-produced in pp collisions at $ \sqrt {s} = 7 $ TeV, undertaken with the CMS experiment at the LHC. The b′ quarks are assumed to decay exclusively to tW. The …
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S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres
The ${B}_{s}^{0}$ differential production cross section is measured as functions of the transverse momentum and rapidity in $pp$ collisions at $\sqrt{s}=7\text{ }\text{ }\mathrm{TeV}$, using the ${B}_{s}^{0}\ensuremath{\rightarrow}J/\ensuremath{\psi}\ensuremath{\phi}$ decay, and compared with predictions based on perturbative QCD calculations at next-to-leading order. The data sample, …
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V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam et autres
The first LHC pp collisions at centre-of-mass energies of 0.9 and 2.36 TeV were recorded by the CMS detector in December 2009. The trajectories of charged particles produced in the collisions were reconstructed using the all-silicon Tracker and their momenta were measured …
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