Accès ouvert
2018
article
OpenAlex
A. M. Sirunyan, A. Tumasyan, W. Adam, E. Asilar et autres
The relative yields of $\mathrm{\ensuremath{\Upsilon}}$ mesons produced in $pp$ and Pb-Pb collisions at $\sqrt{{s}_{\mathrm{NN}}}=5.02\text{ }\text{ }\mathrm{TeV}$ and reconstructed via the dimuon decay channel are measured using data collected by the CMS experiment. Double ratios are formed by comparing the yields of the …
am, at, be
(code pays fourni par la source)
Accès ouvert
2015
article
OpenAlex
V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam et autres
A search is performed for a vector-like heavy T quark that is produced in pairs and that decays to a top quark and a Higgs boson. The data analysed correspond to an integrated luminosity of 19.7 $fb^{−1}$ collected with the CMS detector …
am, at, be
(code pays fourni par la source)
Accès ouvert
2014
article
OpenAlex
V. Khachatryan, A. M. Sirunyan, A. Tumasyan, W. Adam et autres
Searches for supersymmetry (SUSY) are presented based on the electroweak pair production of neutralinos and charginos, leading to decay channels with Higgs, $Z$, and $W$ bosons and undetected lightest SUSY particles (LSPs). The data sample corresponds to an integrated luminosity of about …
am, at, be
(code pays fourni par la source)
Accès ouvert
2014
article
OpenAlex
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)
Accès ouvert
2014
article
OpenAlex
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)
Accès ouvert
2014
article
OpenAlex
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)
Accès ouvert
2014
article
OpenAlex
S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres
Measurements are presented by the CMS Collaboration at the Large Hadron Collider (LHC) of the higher-order harmonic coefficients that describe the azimuthal anisotropy of charged particles emitted in $\sqrt{{s}_{\mathit{NN}}}=2.76$ TeV PbPb collisions. Expressed in terms of the Fourier components of the azimuthal …
am, at, be, kr
(code pays fourni par la source)
Accès ouvert
2014
article
OpenAlex
S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres
A search for three-jet hadronic resonance production in pp collisions at a centre-of-mass energy of 8 TeV has been conducted by the CMS Collaboration at the LHC with a data sample corresponding to an integrated luminosity of 19.4 fb -1 .The search …
am, at, be, ch
(code pays fourni par la source)
Accès ouvert
2012
article
OpenAlex
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 …
am, at, be
(code pays fourni par la source)
Accès ouvert
2012
article
OpenAlex
S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres
Abstract A search is performed for long-lived neutral particles decaying into a photon and invisible particles. An example of such a signature is the decay of the lightest neutralino with nonzero lifetime into a gravitino and a photon in gauge-mediated supersymmetry, with …
am, at, be
(code pays fourni par la source)
Accès ouvert
2011
article
OpenAlex
S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, W. Adam et autres
A multivariate likelihood method to measure electroweak couplings with the Drell--Yan process at the LHC is presented. The process is described by the dilepton rapidity, invariant mass, and decay angle distributions. The decay angle ambiguity due to the unknown assignment of the …
am, at, be
(code pays fourni par la source)