Blar i Department of Physics and Technology på tidsskrift "Physical Review D"
Viser treff 21-40 av 91
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Measurement of the production cross section of 31 GeV/c protons on carbon via beam attenuation in a 90-cm-long target
(Journal article; Peer reviewed, 2021)The production cross section of 30.92 GeV=c protons on carbon is measured by the NA61/SHINE spectrometer at the CERN Super Proton Synchrotron by means of beam attenuation in a copy (replica) of the 90-cm-long target of the ... -
Measurement of the relative B±c/B± production cross section with the ATLAS detector at √s=8 TeV
(Journal article; Peer reviewed, 2021)The total cross section and differential cross sections for the production of B±c mesons, times their branching fraction to J/ψπ±, are measured relative to those for the production of B± mesons, times their branching ... -
Measurement of the t¯tZ and t¯tW cross sections in proton-proton collisions at √s=13 TeV with the ATLAS detector
(Peer reviewed; Journal article, 2019)A measurement of the associated production of a top-quark pair ( t ¯ t ) with a vector boson ( W , Z ) in proton-proton collisions at a center-of-mass energy of 13 TeV is presented, using 36.1 fb − 1 of integrated ... -
Measurements of hadron production in π++C and π++Be interactions at 60 GeV/c
(Journal article; Peer reviewed, 2019)Precise knowledge of hadron production rates in the generation of neutrino beams is necessary for accelerator-based neutrino experiments to achieve their physics goals. NA61/SHINE, a large-acceptance hadron spectrometer, ... -
Measurements of jet observables sensitive to b-quark fragmentation in tt¯ events at the LHC with the ATLAS detector
(Journal article; Peer reviewed, 2022)Several observables sensitive to the fragmentation of b quarks into b hadrons are measured using 36 fb −1 of √s = 13 TeV proton-proton collision data collected with the ATLAS detector at the LHC. Jets containing b hadrons ... -
Measurements of production and inelastic cross sections for p+C, p+Be, and p+Al at 60 GeV/c and p+C and p+Be at 120 GeV/c
(Journal article; Peer reviewed, 2019)This paper presents measurements of production cross sections and inelastic cross sections for the following reactions: 60 GeV/c protons with C, Be, Al targets and 120 GeV/c protons with C and Be targets. The analysis ... -
Measurements of t¯t differential cross-sections of highly boosted top quarks decaying to all-hadronic final states in pp collisions at √s=13 TeV using the ATLAS detector
(Peer reviewed; Journal article, 2018-07-25)Measurements are made of differential cross-sections of highly boosted pair-produced top quarks as a function of top-quark and tt system kinematic observables using proton-proton collisions at a center-of-mass energy of ... -
Minimal sterile neutrino dark matter
(Journal article; Peer reviewed, 2023)We propose a novel mechanism to generate sterile neutrinos νs in the early Universe, by converting ordinary neutrinos να in scattering processes νsνα→νsνs. After initial production by oscillations, this leads to an exponential ... -
Properties of g→b¯b at small opening angles in pp collisions with the ATLAS detector at √s=13 TeV
(Peer reviewed; Journal article, 2019)The fragmentation of high-energy gluons at small opening angles is largely unconstrained by present measurements. Gluon splitting to b -quark pairs is a unique probe into the properties of gluon fragmentation because ... -
Properties of jet fragmentation using charged particles measured with the ATLAS detector in pp collisions at √s=13 TeV
(Peer reviewed; Journal article, 2019)This paper presents a measurement of quantities related to the formation of jets from high-energy quarks and gluons (fragmentation). Jets with transverse momentum 100 GeV < p T < 2.5 TeV and pseudorapidity | η | < 2.1 from ... -
Resonances in e+e- annihilation near 2.2 GeV
(Journal article; Peer reviewed, 2020-01-22)Using the initial-state radiation method, the e+e−→KSKL cross section from 1.98 to 2.54 GeV is measured in a data sample of 469 fb−1 collected with the BABAR detector. The results are used in conjunction with previous BABAR ... -
Revisiting transverse momentum broadening in dense QCD media
(Journal article; Peer reviewed, 2021)We reconsider the problem of transverse momentum broadening of a highly energetic parton suffering multiple scatterings in dense colored media, such as the thermal quark-gluon plasma or large nuclei. In the framework of ... -
S3-inspired three-Higgs-doublet models: A class with a complex vacuum
(Journal article; Peer reviewed, 2020)In this paper we analyze in detail an S3-symmetric three-Higgs-doublet model with a specific vacuum configuration. This analysis allows us to illustrate important features of models with several Higgs doublets, such as the ... -
Search for a heavy charged boson in events with a charged lepton and missing transverse momentum from pp collisions at √s=13 TeV with the ATLAS detector
(Peer reviewed; Journal article, 2019)A search for a heavy charged-boson resonance decaying into a charged lepton (electron or muon) and a neutrino is reported. A data sample of 139 fb − 1 of proton-proton collisions at √ s = 13 TeV collected with the ... -
Search for bottom-squark pair production in pp collision events at √s=13 TeV with hadronically decaying τ -leptons, b-jets, and missing transverse momentum using the ATLAS detector
(Journal article; Peer reviewed, 2021)A search for pair production of bottom squarks in events with hadronically decaying τ-leptons, b-tagged jets, and large missing transverse momentum is presented. The analyzed dataset is based on proton-proton collisions ... -
Search for B−L R-parity-violating top squarks in √s=13 TeV pp collisions with the ATLAS experiment
(Peer reviewed; Journal article, 2018-02-06)A search is presented for the direct pair production of the stop, the supersymmetric partner of the top quark, that decays through an R-parity-violating coupling to a final state with two leptons and two jets, at least ... -
Search for B−→Λ¯pν¯ν with the BaBar experiment
(Journal article; Peer reviewed, 2019)A search for the rare flavor-changing neutral current process B − → Λ ¯ p ν ¯ ν using data from the BABAR experiment has been performed. A total of 424 fb − 1 of e + e − collision data collected at the center-of-mass ... -
Search for chargino and neutralino production in final states with a Higgs boson and missing transverse momentum at √s=13 TeV with the ATLAS detector
(Peer reviewed; Journal article, 2019)A search is conducted for the electroweak pair production of a chargino and a neutralino p p → ˜ χ ± 1 ˜ χ 0 2 , where the chargino decays into the lightest neutralino and a W boson, ˜ χ ± 1 → ˜ χ 0 1 W ± , while the ... -
Search for chargino-neutralino production using recursive jigsaw reconstruction in final states with two or three charged leptons in proton-proton collisions at √s=13 TeV with the ATLAS detector
(Peer reviewed; Journal article, 2018-11-19)A search for electroweak production of supersymmetric particles is performed in two-lepton and three-lepton final states using recursive jigsaw reconstruction, a technique that assigns reconstructed objects to the most ... -
Search for chargino-neutralino production with mass splittings near the electroweak scale in three-lepton final states in √s=13 TeV pp collisions with the ATLAS detector
(Journal article; Peer reviewed, 2020-04-07)A search for supersymmetry through the pair production of electroweakinos with mass splittings near the electroweak scale and decaying via on-shell W and Z bosons is presented for a three-lepton final state. The analyzed ...