C. Rovelli

Search for Dark Matter Particles Produced in Association with a Top Quark Pair at s=13 TeV

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 …

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Search for heavy Majorana neutrinos in same-sign dilepton channels in proton-proton collisions at $$ \sqrt{s}=13 $$ TeV

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 …

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Search for Leptoquarks Coupled to Third-Generation Quarks in Proton-Proton Collisions at s = 13 TeV

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) …

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Search for long-lived particles with displaced vertices in multijet events in proton-proton collisions at s=13 TeV

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

Results are reported from a search for long-lived particles in proton-proton collisions at $\sqrt{s}=13\text{ }\text{ }\mathrm{TeV}$ delivered by the CERN LHC and collected by the CMS experiment. The data sample, which was recorded during 2015 and 2016, corresponds to an integrated luminosity …

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Measurements of the differential jet cross section as a function of the jet mass in dijet events from proton-proton collisions at $$ \sqrt{s}=13 $$ TeV

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 …

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Search for Pair-Produced Resonances Each Decaying into at Least Four Quarks in Proton-Proton Collisions at s=13 TeV

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

This Letter presents the results of a search for pair-produced particles of masses above 100 GeV that each decay into at least four quarks. Using data collected by the CMS experiment at the LHC in 2015-2016, corresponding to an integrated luminosity of …

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Search for resonant and nonresonant Higgs boson pair production in the b b ¯ ℓνℓν $$ \mathrm{b}\overline{\mathrm{b}}\mathit{\ell \nu \ell \nu } $$ final state in proton-proton collisions at s = 13 $$ \sqrt{s}=13 $$ TeV

A. M. Sirunyan, A. Tumasyan, W. Adam, F. Ambrogi et autres

Searches for resonant and nonresonant pair-produced Higgs bosons (HH) decaying respectively into ℓνℓν, through either W or Z bosons, and $ \mathrm{b}\overline{\mathrm{b}} $ are presented. The analyses are based on a sample of proton-proton collisions at $ \sqrt{s}=13 $ TeV, collected by …

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Measurement of the B± Meson Nuclear Modification Factor in Pb-Pb Collisions at sNN=5.02 TeV

A. M. Sirunyan, A. Tumasyan, W. Adam, E. Asilar et autres

The differential production cross sections of ${B}^{\ifmmode\pm\else\textpm\fi{}}$ mesons are measured via the exclusive decay channels ${B}^{\ifmmode\pm\else\textpm\fi{}}\ensuremath{\rightarrow}J/\ensuremath{\psi}{K}^{\ifmmode\pm\else\textpm\fi{}}\ensuremath{\rightarrow}{\ensuremath{\mu}}^{+}{\ensuremath{\mu}}^{\ensuremath{-}}{K}^{\ifmmode\pm\else\textpm\fi{}}$ as a function of transverse momentum in $p$$p$ and Pb-Pb collisions at a center-of-mass energy $\sqrt{{s}_{NN}}=5.02\text{ }\text{ }\mathrm{TeV}$ per nucleon pair with the CMS detector at …

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Measurement of the top quark mass in the dileptonic tt¯ decay channel using the mass observables Mbℓ , MT2 , and Mbℓν in pp collisions at s=8 TeV

A. M. Sirunyan, A. Tumasyan, W. Adam, E. Asilar et autres

A measurement of the top quark mass (${M}_{t}$) in the dileptonic $t\overline{t}$ decay channel is performed using data from proton-proton collisions at a center-of-mass energy of 8 TeV. The data was recorded by the CMS experiment at the LHC and corresponds to …

Measurement of the top-quark mass in all-jets $$\hbox {t}\bar{\mathrm{t}}$$ t t ¯ events in pp collisions at $$\sqrt{s}=7$$ s = 7 TeV

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

The mass of the top quark is measured using a sample of [Formula: see text] candidate events with at least six jets in the final state. The sample is selected from data collected with the CMS detector in pp collisions at [Formula: …

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Search for a non-standard-model Higgs boson decaying to a pair of new light bosons in four-muon final states

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

Results are reported from a search for non-standard-model Higgs boson decays to pairs of new light bosons, each of which decays into the μ + μ -final state.The new bosons may be produced either promptly or via a decay chain.The data set …

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Measurement of the Bs0 Production Cross Section with Bs0→J/ψϕ Decays in pp Collisions at s=7 TeV

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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