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Ꮃeb of Science: Recent submissions
Now showing items 1101-1120 of 1868
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Search for singly and pair-produced leptoquarks coupling to third-generation fermions in proton-proton collisions at ?s=13 TeV
(Elsevier, 2021)A search for leptoquarks produced singly and in pairs in proton-proton collisions is presented. We consider the leptoquark (LQ) to be a scalar particle of charge -1/3e coupling to a top quark plus a tau lepton (t tau) or ... -
Measurements of production cross sections of polarized same-sign W boson pairs in association with two jets in proton-proton collisions at ?s=13 TeV
(Elsevier, 2021)The first measurements of production cross sections of polarized same-sign (WW +/-)-W-+/- boson pairs in proton-proton collisions are reported. The measurements are based on a data sample collected with the CMS detector ... -
Search for the rare decay of the W boson into a pion and a photon in proton-proton collisions at ?s=13 TeV
(Elsevier, 2021)A search is performed for the rare decay W-+/--> pi(+/-)gamma in proton-proton collisions at root s = 13 TeV. Data corresponding to an integrated luminosity of 137 fb(-1) were collected during 2016 to 2018 with the CMS ... -
Measurement of CKM matrix elements in single top quark t-channel production in proton-proton collisions at ?s=13 TeV
(Elsevier, 2020)The first direct, model-independent measurement is presented of the modulus of the Cabibbo-Kobayashi-Maskawa (CKM) matrix elements vertical bar V-tb vertical bar, vertical bar V-td vertical bar, and vertical bar V-ts ... -
Measurement of the azimuthal anisotropy of Y(1S) and Y(2S) mesons in PbPb collisions at ?sNN=5.02 TeV
(Elsevier, 2021)The second-order Fourier coefficients (v(2)) characterizing the azimuthal distributions of Y(1S) and Y(2S) mesons produced in PbPb collisions at root s(NN) = 5.02 TeV are studied. The Y mesons are reconstructed in their ... -
Non-minimally coupled quartic inflation with Coleman-Weinberg one-loop corrections in the Palatini formulation
(Elsevier, 2020)We discuss how the non-minimal coupling xi phi R-2 between the inflaton and the Ricci scalar affects the predictions of single field inflation models in the Palatini formalism. The inflaton field phi must interact with ... -
Observation of electroweak production of W? with two jets in proton-proton collisions at ?s=13 TeV
(Elsevier, 2020)A first observation is presented for the electroweak production of a W boson, a photon, and two jets in proton-proton collisions. The W boson decays are selected by requiring one identified electron or muon and an imbalance ... -
Studies of charm and beauty hadron long-range correlations in pp and pPb collisions at LHC energies
(Elsevier, 2021)Measurements of the second Fourier harmonic coefficient (v(2)) of the azimuthal distributions of prompt and nonprompt D-0 mesons produced in pp and pPb collisions are presented. Nonprompt D-0 mesons come from beauty hadron ... -
Measurement of the CP-violating phase ?s in the B0s ? J/??(1020) ? ?+?-K+K- channel in proton-proton collisions at ?s=13 TeV
(Elsevier, 2021)The CP-violating weak phase ?s and the decay width difference ??s between the light and heavy B0s mass eigenstates are measured with the CMS detector at the LHC in a sample of 48 500 reconstructed B0s? J/I) d (1020) ?11+11? ... -
Search for light pseudoscalar boson pairs produced from decays of the 125 GeV Higgs boson in final states with two muons and two nearby tracks in pp collisions at ?s d=13TeV
(Elsevier, 2020)A search is presented for pairs of light pseudoscalar bosons, in the mass range from 4 to 15 GeV, produced from decays of the 125 GeV Higgs boson. The decay modes considered are final states that arise when one of the ... -
Observation of nuclear modifications in W± boson production in pPb collisions at ?sNN=8.16 TeV
(Elsevier, 2020)The production of W-+/- bosons is studied in proton-lead (pPb) collisions at a nucleon-nucleon centre-of-mass energy of root s(NN) = 8.16 TeV. Measurements are performed in the W-+/- -> mu(+/-)nu(mu) channel using a data ... -
Search for anomalous electroweak production of vector boson pairs in association with two jets in proton-proton collisions at 13 TeV
(Elsevier, 2019)A search for anomalous electroweak production of WW, WZ, and ZZ boson pairs in association with two jets in proton-proton collisions at root s = 13 TeV at the LHC is reported. The data sample corresponds to an integrated ... -
Pseudorapidity distributions of charged hadrons in xenon-xenon collisions at ?SNN=5.44 TeV
(Elsevier, 2019)Measurements of the pseudorapidity distributions of charged hadrons produced in xenon-xenon collisions at a nucleon-nucleon centre-of-mass energy of root S-NN = 5.44 TeV are presented. The measurements are based on data ... -
Search for MSSM Higgs bosons decaying to ?+?- in proton-proton collisions at ?s=13TeV
(Elsevier, 2019)A search is performed for neutral non-standard-model Higgs bosons decaying to two muons in the context of the minimal supersymmetric standard model (MSSM). Proton-proton collision data recorded by the CMS experiment at the ... -
Measurement of the single top quark and antiquark production cross sections in the t channel and their ratio in proton-proton collisions at ?s=13 TeV
(Elsevier, 2020)Measurements of the cross sections for the production of single top quarks and antiquarks in the t channel, and their ratio, are presented for proton-proton collisions at a center-of-mass energy of 13 TeV. The data set ... -
Evidence for light-by-light scattering and searches for axion-like particles in ultraperipheral PbPb collisions at ?sNN=5.02 TeV
(Elsevier, 2019)Evidence for the light-by-light scattering process, gamma gamma -> gamma gamma, in ultraperipheral PbPb collisions at a centre-of-mass energy per nucleon pair of 5.02 TeV is reported. The analysis is conducted using a data ... -
Search for an exotic decay of the Higgs boson to a pair of light pseudoscalars in the final state with two muons and two b quarks in pp collisions at 13 TeV
(Elsevier, 2019)A search for exotic decays of the Higgs boson to a pair of light pseudoscalar particles a(1) is performed under the hypothesis that one of the pseudoscalars decays to a pair of opposite sign muons and the other decays to ... -
Search for Higgs and Z boson decays to J/? or Y pairs in the four-muon final state in proton-proton collisions at ?s=13 TeV
(Elsevier, 2019)A search for decays of the Higgs and Z boson to pairs of J/psi or Y(nS)(n = 1, 2, 3) mesons, with their subsequent decay to mu(+)mu(-) pairs, is presented. The analysis uses data from proton-proton collisions at root s = ... -
Measurement of Bs0 meson production in pp and PbPb collisions at ?SNN=5.02 TeV
(Elsevier, 2019)The production cross sections of B-s(0) mesons and charge conjugates are measured in proton-proton (pp) and PbPb collisions via the exclusive decay channel B-s(0)-> J/ psi phi ->mu(+) mu(-) K+K- at a center-of-mass energy ... -
A search for pair production of new light bosons decaying into muons in proton-proton collisions at 13 TeV
(Elsevier, 2019)A search for new light bosons decaying into muon pairs is presented using a data sample corresponding to an integrated luminosity of 35.9 fb(-1) of proton-proton collisions at a center-of-mass energy root s = 13 TeV, ...
