Browsing Natural and Mathematical Sciences by Issue Date
Now showing items 881-900 of 1083
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In-medium modification of dijets in PbPb collisions at √sNN = 5.02 TeV
(Springer, 2021-05-14)Modifications to the distribution of charged particles with respect to high transverse momentum (pT) jets passing through a quark-gluon plasma are explored using the CMS detector. Back-to-back dijets are analyzed in lead-lead ... -
A semi-discrete numerical method for convolution-type unidirectional wave equations
(Elsevier, 2021-05-15)Numerical approximation of a general class of nonlinear unidirectional wave equations with a convolution-type nonlocality in space is considered. A semi-discrete numerical method based on both a uniform space discretization ... -
Study of Drell-Yan dimuon production in proton-lead collisions at √sNN = 8.16 TeV
(Springer, 2021-05-20)Differential cross sections for the Drell-Yan process, including Z boson production, using the dimuon decay channel are measured in proton-lead (pPb) collisions at a nucleon-nucleon centre-of-mass energy of 8.16 TeV. A ... -
Measurement of the Z boson differential production cross section using its invisible decay mode (Z → νν¯) in proton-proton collisions at √s = 13 TeV
(Springer, 2021-05-21)Measurements of the total and differential fiducial cross sections for the Z boson decaying into two neutrinos are presented at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV. The data were collected ... -
First measurement of large area jet transverse momentum spectra in heavy-ion collisions
(Springer, 2021-05-31)Jet production in lead-lead (PbPb) and proton-proton (pp) collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV is studied with the CMS detector at the LHC, using PbPb and pp data samples corresponding to ... -
Measurements of the differential cross sections of the production of Z + jets and γ + jets and of Z boson emission collinear with a jet in pp collisions at s√ = 13 TeV
(Springer, 2021-05-31)Measurements of the differential cross sections of Z + jets and γ + jets production, and their ratio, are presented as a function of the boson transverse momentum. Measurements are also presented of the angular distribution ... -
Measurements of production cross sections of the Higgs boson in the four-lepton final state in proton–proton collisions at √s = 13 TeV
(Springer, 2021-06-02)Production cross sections of the Higgs boson are measured in the H → Z Z → 4 ℓ (ℓ=e,μ) decay channel. A data sample of proton–proton collisions at a center-of-mass energy of 13Te, collected by the CMS detector at the LHC ... -
Measurement of the Wγ production cross section in proton-proton collisions at √ s = 13 TeV and constraints on effective field theory coefficients
(American Physical Society, 2021-06-25)A fiducial cross section for Wγ production in proton-proton collisions is measured at a center-of-mass energy of 13 TeV in 137 fb-1 of data collected using the CMS detector at the LHC. The W→eν and μν decay modes are used ... -
Observation of a new excited beauty strange baryon decaying to Ξb- π+π-
(American Physical Society, 2021-06-25)The Ξb-π+π- invariant mass spectrum is investigated with an event sample of proton-proton collisions at s=13 TeV, collected by the CMS experiment at the LHC in 2016-2018 and corresponding to an integrated luminosity of 140 ... -
Performance of the CMS muon trigger system in proton-proton collisions at √(s) = 13
(IOP Publishing, 2021-07)The muon trigger system of the CMS experiment uses a combination of hardware and software to identify events containing a muon. During Run 2 (covering 2015-2018) the LHC achieved instantaneous luminosities as high as 2 × ... -
Measurements of Higgs boson production cross sections and couplings in the diphoton decay channel at s√ = 13 TeV
(Springer, 2021-07-07)Measurements of Higgs boson production cross sections and couplings in events where the Higgs boson decays into a pair of photons are reported. Events are selected from a sample of proton-proton collisions at s = 13 TeV ... -
MUSiC: a model-unspecific search for new physics in proton–proton collisions at √s=13TeV
(Springer, 2021-07-19)Results of the Model Unspecific Search in CMS (MUSiC), using proton–proton collision data recorded at the LHC at a centre-of-mass energy of 13TeV, corresponding to an integrated luminosity of 35.9fb-1, are presented. The ... -
Search for resonant and nonresonant new phenomena in high-mass dilepton final states at s√ = 13 TeV
(Springer, 2021-07-27)A search is presented for physics beyond the standard model (SM) using electron or muon pairs with high invariant mass. A data set of proton-proton collisions collected by the CMS experiment at the LHC at s = 13 TeV from ... -
Search for long-lived particles using displaced jets in proton-proton collisions at √s = 13 TeV
(American Physical Society, 2021-07-30)An inclusive search is presented for long-lived particles using displaced jets. The search uses a data sample collected with the CMS detector at the CERN LHC in 2017 and 2018, from proton-proton collisions at a center-of-mass ... -
Search for a heavy vector resonance decaying to a Z boson and a Higgs boson in proton-proton collisions at √s = 13 TeV
(Springer, 2021-08-03)A search is presented for a heavy vector resonance decaying into a Z boson and the standard model Higgs boson, where the Z boson is identified through its leptonic decays to electrons, muons, or neutrinos, and the Higgs ... -
Search for singly and pair-produced leptoquarks coupling to third-generation fermions in proton-proton collisions at √s = 13 TeV
(Elsevier, 2021-08-10)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 (tτ) or a ... -
Search for the rare decay of the W boson into a pion and a photon in proton-proton collisions at √s = 13 TeV
(Elsevier, 2021-08-10)A search is performed for the rare decay W±→π±γ in proton-proton collisions at s=13TeV. Data corresponding to an integrated luminosity of 137fb−1 were collected during 2016 to 2018 with the CMS detector. This analysis ... -
Measurement of the azimuthal anisotropy of Υ(1S) and Υ(2S) mesons in PbPb collisions at √sNN = 5.02 TeV
(Elsevier, 2021-08-10)The second-order Fourier coefficients (v2) characterizing the azimuthal distributions of [Formula presented] and [Formula presented] mesons produced in PbPb collisions at s =5.02TeV are studied. The [Formula presented] ... -
Search for charged Higgs bosons produced in vector boson fusion processes and decaying into vector boson pairs in proton–proton collisions at √s = 13 TeV
(Springer, 2021-08-11)A search for charged Higgs bosons produced in vector boson fusion processes and decaying into vector bosons, using proton–proton collisions at s=13TeV at the LHC, is reported. The data sample corresponds to an integrated ... -
Search for top squarks in final states with two top quarks and several light-flavor jets in proton-proton collisions at √s = 13 TeV
(American Physical Society, 2021-08-20)Many new physics models, including versions of supersymmetry characterized by R-parity violation (RPV), compressed mass spectra, long decay chains, or additional hidden sectors, predict the production of events with top ...
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