Accès ouvert
2020
article
OpenAlex
A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres
Ratios of cross sections, $\ensuremath{\sigma}(Z+c\text{ }\text{ }\text{jets})/\ensuremath{\sigma}(Z+\text{jets})$, $\ensuremath{\sigma}(Z+b\text{ }\text{ }\text{jets})/\ensuremath{\sigma}(Z+\text{jets})$, and $\ensuremath{\sigma}(Z+c\text{ }\text{ }\text{jets})/\phantom{\rule{0ex}{0ex}}\ensuremath{\sigma}(Z+b\text{ }\text{ }\text{jets})$ in the associated production of a $Z$ boson with at least one charm or bottom quark jet are measured in proton-proton collisions at $\sqrt{s}=13\text{ }\text{ }\mathrm{TeV}$. …
am, at, be, br
(code pays fourni par la source)
Accès ouvert
2019
article
OpenAlex
A.M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres
A search for direct production of the supersymmetric (SUSY) partners of electrons or muons is presented in final states with two opposite-charge, same-flavour leptons (electrons and muons), no jets, and large missing transverse momentum. The data sample corresponds to an integrated luminosity …
am, at, be
(code pays fourni par la source)
Accès ouvert
2019
article
OpenAlex
A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres
A search is performed for dark matter particles produced in association with a top quark pair in proton-proton collisions at sqrt[s]=13 TeV. The data correspond to an integrated luminosity of 35.9 fb^{-1} recorded by the CMS detector at the LHC. No significant …
am, at, be, us
(code pays fourni par la source)
Accès ouvert
2019
article
OpenAlex
A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres
A bstract A search is performed for a heavy Majorana neutrino (N), produced in leptonic decay of a W boson propagator and decaying into a W boson and a lepton, with the CMS detector at the LHC. The signature used in this …
am, at, be
(code pays fourni par la source)
Accès ouvert
2018
article
OpenAlex
A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres
Three of the most significant measured deviations from standard model predictions, the enhanced decay rate for $B\ensuremath{\rightarrow}{D}^{(*)}\ensuremath{\tau}\ensuremath{\nu}$, hints of lepton universality violation in $B\ensuremath{\rightarrow}{K}^{(*)}\ensuremath{\ell}\ensuremath{\ell}$ decays, and the anomalous magnetic moment of the muon, can be explained by the existence of leptoquarks (LQs) …
am, at, be, us
(code pays fourni par la source)
Accès ouvert
2018
article
OpenAlex
A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres
Abstract Measurements of the differential jet cross section are presented as a function of the jet mass in dijet events, in bins of jet transverse momentum, with and without a jet grooming algorithm. The data have been recorded by the CMS Collaboration …
am, at, be
(code pays fourni par la source)
Accès ouvert
2018
article
OpenAlex
A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres
Abstract The top quark pair production cross section $$ \left({\sigma}_{\mathrm{t}\overline{\mathrm{t}}}\right) $$ σ t t ¯ is measured for the first time in pp collisions at a center-of-mass energy of 5.02 TeV. The data were collected by the CMS experiment at the LHC …
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
Constraints are presented on the total width of the recently discovered Higgs boson, Γ H , using its relative on-shell and off-shell production and decay rates to a pair of Z bosons, where one Z boson decays to an electron or muon …
am, at, by, be, ch
(code pays fourni par la source)
Accès ouvert
2013
article
OpenAlex
S. Chatrchyan, V. Khachatryan, A. M. Sirunyan, A. Tumasyan et autres
Measurements of event shapes and azimuthal correlations are presented for events where a Z boson is produced in association with jets in proton-proton collisions.The data collected with the CMS detector at the CERN LHC at √ s = 7 TeV correspond to …
am, at, hr, by, be, ch, pl
(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, by, be
(code pays fourni par la source)