Accès ouvert
2024
article
OpenAlex
Aram Hayrapetyan, A. Tumasyan, W. Adam, Janik Walter Andrejkovic et autres
Energy correlators that describe energy-weighted distances between two or three particles in a hadronic jet are measured using an event sample of sqrt[s]=13 TeV proton-proton collisions collected by the CMS experiment and corresponding to an integrated luminosity of 36.3 fb^{-1}. The measured …
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Accès ouvert
2023
article
OpenAlex
A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer et autres
Abstract A search for pair production of the supersymmetric partner of the top quark, the top squark, in proton-proton collisions at $$ \sqrt{s} $$ s = 13 TeV is presented in final states containing at least one hadronically decaying tau lepton and …
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Accès ouvert
2022
article
OpenAlex
A. Tumasyan, W. Adam, J. W. Andrejkovic, T. Bergauer et autres
Abstract The first measurement of the CP structure of the Yukawa coupling between the Higgs boson and τ leptons is presented. The measurement is based on data collected in proton-proton collisions at $$ \sqrt{s} $$ s = 13 TeV by the CMS …
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Accès ouvert
2020
article
OpenAlex
A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres
The transverse momentum ( p T ) spectra of inclusively produced Λ c + baryons are measured via the exclusive decay channel Λ c + → p K − π + using the CMS detector at the LHC. Spectra are measured as …
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Accès ouvert
2020
article
OpenAlex
A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres
New sets of CMS underlying-event parameters ("tunes") are presented for the pythia8 event generator. These tunes use the NNPDF3.1 parton distribution functions (PDFs) at leading (LO), next-to-leading (NLO), or next-to-next-to-leading (NNLO) orders in perturbative quantum chromodynamics, and the strong coupling evolution at …
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Accès ouvert
2019
article
OpenAlex
A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres
Signals consistent with the B_{c}^{+}(2S) and B_{c}^{*+}(2S) states are observed in proton-proton collisions at sqrt[s]=13 TeV, in an event sample corresponding to an integrated luminosity of 143 fb^{-1}, collected by the CMS experiment during the 2015-2018 LHC running periods. These excited b[over …
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Accès ouvert
2019
article
OpenAlex
A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres
Measurements of prompt ψ ( 2S ) meson production cross sections in proton–lead (pPb) and proton–proton (pp) collisions at a nucleon–nucleon center-of-mass energy of s NN = 5.02 TeV are reported. The results are based on pPb and pp data collected by …
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Accès ouvert
2019
article
OpenAlex
A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres
Abstract Measurements of the inclusive and differential production cross sections for the Higgs boson in the diphoton decay channel are performed using the data set of proton-proton collisions at $$ \sqrt{s}=13 $$ s = 13 TeV collected by the CMS experiment at …
am, at, be
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Accès ouvert
2018
article
OpenAlex
A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres
Abstract A search for exotic Higgs boson decays to light pseudoscalars in the final state of two muons and two τ leptons is performed using proton-proton collision data recorded by the CMS experiment at the LHC at a center-of-mass energy of 13 …
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Accès ouvert
2018
article
OpenAlex
A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres
decay.
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Accès ouvert
2018
article
OpenAlex
A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres
The pseudorapidity distributions of dijets as functions of their average transverse momentum (p_{T}^{ave}) are measured in proton-lead (pPb) and proton-proton (pp) collisions. The data samples were collected by the CMS experiment at the CERN LHC, at a nucleon-nucleon center-of-mass energy of 5.02 …
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
An analysis of the bottom baryon decay ${\mathrm{\ensuremath{\Lambda}}}_{b}\ensuremath{\rightarrow}J/\ensuremath{\psi}(\ensuremath{\rightarrow}{\ensuremath{\mu}}^{+}{\ensuremath{\mu}}^{\ensuremath{-}})\mathrm{\ensuremath{\Lambda}}(\ensuremath{\rightarrow}p{\ensuremath{\pi}}^{\ensuremath{-}})$ is performed to measure the ${\mathrm{\ensuremath{\Lambda}}}_{b}$ polarization and three angular parameters in data from $pp$ collisions at $\sqrt{s}=7$ and 8 TeV, collected by the CMS experiment at the Large Hadron Collider. The ${\mathrm{\ensuremath{\Lambda}}}_{b}$ polarization …
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