Browsing Exact and Earth Sciences by Subject "Hadrons"
Now showing items 21-40 of 51
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Measurement of electrons from semileptonic heavy-flavour hadron decays at midrapidity in pp and Pb–Pb collisions at √sNN = 5.02 TeV
(2020) [Journal article]The differential invariant yield as a function of transverse momentum (pT) of electrons from semileptonic heavy-flavour hadron decays was measured at midrapidity in central (0–10%), semi-central (30–50%) and peripheral ... -
Measurement of inclusive J/ψ pair production cross section in pp collisions at √s = 13 TeV
(2023) [Journal article]The production cross section of inclusive J/ψ pairs in pp collisions at a center-of-mass energy √s = 13 TeV is measured with ALICE. The measurement is performed for J/ψ in the rapidity interval 2.5 < y < 4.0 and for ... -
Measurement of properties of B0s → μ+μ− decays and search for B0→ μ+μ− with the CMS experiment
(2020) [Journal article]Results are reported for the B0s→ μ+μ− branching fraction and effective lifetime and from a search for the decay B0→ μ+μ−. The analysis uses a data sample of proton-proton collisions accumulated by the CMS experiment in ... -
Measurement of the angle between jet axes in pp collisions at √s = 5.02 TeV
(2023) [Journal article]This article reports measurements of the angle between differently defined jet axes in pp collisions at √ s = 5.02 TeV carried out by the ALICE Collaboration. Charged particles at midrapidity are clustered into jets with ... -
Measurement of the jet mass distribution and top quark mass in hadronic decays of boosted top quarks in pp collisions at √s = 13 TeV
(2020) [Journal article]A measurement is reported of the jet mass distribution in hadronic decays of boosted top quarks produced in p p collisions at √ s = 13 TeV . The data were collected with the CMS detector at the LHC and correspond to ... -
Measurement of the top quark forward-backward production asymmetry and the anomalous chromoelectric and chromomagnetic moments in pp collisions at √s= 13 TeV
(2020) [Journal article]The parton-level top quark (t) forward-backward asymmetry and the anomalous chromoelectric (d^t) and chromomagnetic (μ^t) moments have been measured using LHC pp collisions at a center-of-mass energy of 13 TeV, collected ... -
Measurement of the top quark pair production cross section in dilepton final states containing one τ lepton in pp collisions at √s = 13 TeV
(2020) [Journal article]The cross section of top quark pair production is measured in the tt¯→(ℓνℓ)(τhντ)bb¯¯¯ final state, where τh refers to the hadronic decays of the τ lepton, and ℓ is either an electron or a muon. The data sample corresponds ... -
Measurement of ψ(2S) production as a function of charged-particle pseudorapidity density in pp collisions at √s = 13 TeV and p–Pb collisions at √sNN = 8.16 TeV with ALICE at the LHC
(2023) [Journal article]Production of inclusive charmonia in pp collisions at center-of-mass energy of √ s = 13 TeV and p–Pb collisions at center-of-mass energy per nucleon pair of √ sNN = 8.16 TeV is studied as a function of charged-particle ... -
Nuclear modification factor in small system collisions within perturbative QCD including thermal effects
(2022) [Journal article]In this paper, the nuclear modification factors, RxA, are investigated for pion production in small system collisions, measured by PHENIX experiment at RHIC (Relativistic Heavy Ion Collider). The theoretical framework is ... -
Production of light-flavor hadrons in pp collisions at √s=7 and √s=13 TeV
(2021) [Journal article]The production of π ± , K ± , K S 0 , K ∗ (892) 0 , p , ϕ (1020) , Λ , Ξ - , Ω - , and their antiparticles was measured in inelastic proton–proton (pp) collisions at a center-of-mass energy of s = 13 TeV at midrapidity ( ... -
Production of pions, kaons, and protons as a function of the relative transverse activity classifier in pp collisions at √s = 13 TeV
(2023) [Journal article]Abstract: The production of π ±, K±, and (p)p is measured in pp collisions at √ s = 13 TeV in different topological regions of the events. Particle transverse momentum (pT) spectra are measured in the “toward”, “transverse”, ... -
Prompt and non-prompt J/ψ production cross sections at midrapidity in proton-proton collisions at √s = 5.02 and 13 TeV
(2022) [Journal article]The production of J/ψ is measured at midrapidity (|y| < 0.9) in protonproton collisions at √ s = 5.02 and 13 TeV, through the dielectron decay channel, using the ALICE detector at the Large Hadron Collider. The data sets ... -
Proton-proton forward scattering at the LHC
(2019) [Journal article]Recently the TOTEM experiment at the LHC has released measurements at √s=13 TeV of the proton-proton total cross section, σtot, and the ratio of the real to imaginary parts of the forward elastic amplitude, ρ. Since then ... -
Pseudorapidity distributions of charged hadrons in xenon-xenon collisionsat √sNN=5.44 TeV
(2019) [Journal article]Measurements of the pseudorapidity distributions of charged hadrons produced in xenon-xenon collisions at a nucleon-nucleon centre-of-mass energy of √sNN=5.44 TeV are presented. The measurements are based on data collected ... -
Search for an excited lepton that decays via a contact interaction to a lepton and two jets in proton-proton collisions at √s= 13 TeV
(2020) [Journal article]Results are presented from a search for events containing an excited lepton (electron or muon) produced in association with an ordinary lepton of the same flavor and decaying to a lepton and two hadronic jets. Both the ... -
Search for charged Higgs bosons in the H± → τ±ντ decay channel in proton-proton collisions at √s=13 TeV
(2019) [Journal article]A search is presented for charged Higgs bosons in the H± → τ±ντ decay mode in the hadronic final state and in final states with an electron or a muon. The search is based on proton-proton collision data recorded by the CMS ... -
Search for charged-lepton flavor violation in top quark production and decay in pp collisions at √s = 13 TeV
(2022) [Journal article]Results are presented from a search for charged-lepton flavor violating (CLFV) interactions in top quark production and decay in pp collisions at a center-of-mass energy of 13 TeV. The events are required to contain one ... -
Search for CP violating top quark couplings in pp collisions at √s = 13 TeV
(2023) [Journal article]Results are presented from a search for CP violation in top quark pair production, using proton-proton collisions at a center-of-mass energy of 13 TeV. The data used for this analysis consist of final states with two charged ... -
Search for CP violation using t¯t events in the lepton+jets channel in pp collisions at √s = 13 TeV
(2023) [Journal article]Results are presented on a search for CP violation in the production and decay of top quark-antiquark pairs in the lepton+jets channel. The search is based on data from proton-proton collisions at √ s = 13 TeV, collected ... -
Search for flavor-changing neutral current interactions of the top quark and the Higgs boson decaying to a bottom quark-antiquark pair at √s = 13 TeV
(2022) [Journal article]A search for flavor-changing neutral current interactions of the top quark (t) and the Higgs boson (H) is presented. The search is based on a data sample corresponding to an integrated luminosity of 137 fb−1 recorded by ...