Navegação Ciências Exatas e da Terra por Título
Resultados 3020-3039 de 5948
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Measurement of B c ( 2 S ) + and B ∗ c ( 2 S ) + cross section ratios in proton-proton collisions at √ s = 13 TeV
(2020) [Artigo de periódico]The ratios of the B c ( 2 S ) + to B + c , B ∗ c ( 2 S ) + to B + c , and B ∗ c ( 2 S ) + to B c ( 2 S ) + production cross sections are measured in proton-proton collisions at √ s = 13 TeV , using a data sample collected ... -
Measurement of beauty and charm production in pp collisions at √s = 5.02 TeV via non-prompt and prompt D mesons
(2021) [Artigo de periódico]The pT-differential production cross sections of prompt and non-prompt (pro duced in beauty-hadron decays) D mesons were measured by the ALICE experiment at midrapidity (|y| < 0.5) in proton-proton collisions at √ s = 5.02 ... -
Measurement of beauty production via non-prompt D0 mesons in Pb-Pb collisions at √sNN = 5.02 TeV
(2022) [Artigo de periódico]The production of non-prompt D0 mesons from beauty-hadron decays was measured at midrapidity (|y| < 0.5) in Pb-Pb collisions at a nucleon-nucleon center-ofmass energy of √ sNN = 5.02 TeV with the ALICE experiment at the ... -
Measurement of charged jet cross section in pp collisions at √ s = 5.02 TeV
(2019) [Artigo de periódico]The cross section of jets reconstructed from charged particles is measured in the transverse momentum range of 5 < p T < 100 GeV / c in p p collisions at the center-of-mass energy of √ s = 5.02 TeV with the ALICE ... -
Measurement of charged particle spectra in minimum-bias events from proton–proton collisions at √s = 13TeV
(2018) [Artigo de periódico]Pseudorapidity, transversemomentum, and multiplicity distributions are measured in the pseudorapidity range |η| < 2.4 for charged particles with transverse momenta satisfying pT > 0.5GeV in proton–proton collisions at a ... -
Measurement of CKM matrix elements in single top quark t-channel production in proton-proton collisions at √s = 13 TeV
(2020) [Artigo de periódico]The first direct, model-independent measurement is presented of the modulus of the Cabibbo– Kobayashi–Maskawa (CKM) matrix elements |Vtb |, |Vtd |, and |Vts |, in final states enriched in single top quark t-channel events. ... -
Measurement of D0, D+, D*+ and D+s production in pp collisions at √s=5.02 TeV with ALICE
(2019) [Artigo de periódico]The measurements of the production of prompt D0, D+, D*+, and D+ s mesons in proton–proton (pp) collisions at √ s = 5.02 TeV with the ALICE detector at the Large Hadron Collider (LHC) are reported. D mesons were reconstructed ... -
Measurement of deuteron spectra and elliptic flow in Pb–Pb collisions at √sNN = 2.76 TeV at the LHC
(2017) [Artigo de periódico]The transverse momentum (pT) spectra and elliptic flow coefficient (v2) of deuterons and anti-deuterons at mid-rapidity (|y| < 0.5) are measured with the ALICE detector at the LHC in Pb–Pb collisions at √ sNN = 2.76 TeV. ... -
Measurement of dielectron production in central Pb-Pb collisions at √sNN = 2.76 TeV
(2019) [Artigo de periódico]The first measurement of dielectron (e+e−) production in central (0–10%) Pb–Pb collisions at √ sNN = 2.76 TeV at the LHC is presented. The dielectron invariant-mass spectrum is compared to the expected contributions from ... -
Measurement of differential cross sections and charge ratios for t-channel single top quark production in proton–proton collisions at √s = 13 TeV
(2020) [Artigo de periódico]A measurement is presented of differential cross sections for t-channel single top quark and antiquark production in proton–proton collisions at a centre-of-mass energy of 13TeV by the CMS experiment at the LHC. From a ... -
Measurement of differential cross sections for inclusive isolated-photon and photon+jet production in proton-proton collisions at √s = 13TeV
(2019) [Artigo de periódico]Measurements of inclusive isolated-photon and photon+jet production in proton–proton collisions at √ s = 13 TeV are presented. The analysis uses data collected by the CMS experiment in 2015, corresponding to an integrated ... -
Measurement of differential cross sections for the production of a Z boson in association with jets in proton-proton collisions at √s = 13 TeV
(2023) [Artigo de periódico]A measurement is presented of the production of Z bosons that decay into two electrons or muons in association with jets, in proton-proton collisions at a center-of-mass energy of 13 TeV. The data were recorded by the CMS ... -
Measurement of differential cross sections for the production of top quark pairs and of additional jets in lepton + jets events from pp collisions at √s = 13 TeV
(2018) [Artigo de periódico]Differential and double-differential cross sections for the production of top quark pairs in proton-proton collisions at ffiffiffi s p ¼ 13 TeV are measured as a function of kinematic variables of the top quarks and the ... -
Measurement of differential cross sections for Z boson pair production in association with jets at √s = 8 and 13 TeV
(2019) [Artigo de periódico]This Letter reports measurements of differential cross sections for the production of two Zbosons in association with jets in proton–proton collisions at √s=8and 13TeV. The analysis is based on data samples collected at ... -
Measurement of differential cross sections for Z boson production in association with jets in proton-proton collisions at √s = 13TeV
(2018) [Artigo de periódico]The production of a Z boson, decaying to two charged leptons, in association with jets in proton-proton collisions at a centre-of-mass energy of 13 TeV is measured. Data recorded with the CMS detector at the LHC are used ... -
Measurement of differential cross sections for Z bosons produced in association with charm jets in pp collisions at √s = 13 TeV
(2021) [Artigo de periódico]Measurements are presented of differential cross sections for the production of Z bosons in association with at least one jet initiated by a charm quark in pp collisions at s√ = 13 TeV. The data recorded by the CMS experiment ... -
Measurement of differential t¯t production cross sections in the full kinematic range using lepton + jets events from proton-proton collisions at √s=13 TeV
(2021) [Artigo de periódico]Measurements of differential and double-differential cross sections of top-quark pair (t¯t) production are presented in the lepton þ jets channels with a single electron or muon and jets in the final state. The analysis ... -
Measurement of differential t¯t production cross sections using top quarks at large transverse momenta in pp collisions at √s=13 TeV
(2021) [Artigo de periódico]A measurement is reported of differential top quark pair (t¯t) production cross sections, where top quarks are produced at large transverse momenta. The data collected with the CMS detector at the LHC are from pp collisions ... -
Measurement of D-meson production at mid-rapidity in pp collisions at √s=7 TeV
(2017) [Artigo de periódico]The production cross sections for prompt charmed mesons D0, D+, D∗+ and D+ s were measured at mid-rapidity in proton–proton collisions at a centre-of-mass energy √ s = 7 TeV with the ALICE detector at the Large Hadron ... -
Measurement of double-parton scattering in inclusive production of four jets with low transverse momentum in proton-proton collisions at √s = 13 TeV
(2022) [Artigo de periódico]A measurement of inclusive four-jet production in proton-proton collisions at a center-of-mass energy of 13 TeV is presented. The transverse momenta of jets within |η| < 4.7 are required to exceed 35, 30, 25, and 20 GeV ...