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CERN Document Server 1,068 record trovati  1 - 10successivofine  salta al record: La ricerca ha impiegato 1.31 secondi. 
1.
Study of Bc+J/ψDs+ and Bc+J/ψDs+ decays in pp collisions at s=13 TeV with the ATLAS detector / ATLAS Collaboration
A study of Bc+J/ψDs+ and Bc+J/ψDs+ decays using 139 fb1 of integrated luminosity collected with the ATLAS detector from s=13 TeV pp collisions at the LHC is presented. The ratios of the branching fractions of the two decays to the branching fraction of the Bc+J/ψπ+ decay are measured: B(Bc+J/ψDs+)/B(Bc+J/ψπ+)=2.76±0.47 and B(Bc+J/ψDs+)/B(Bc+J/ψπ+)=5.33±0.96. [...]
arXiv:2203.01808; CERN-EP-2022-025.- Geneva : CERN, 2022-08-05 - 42 p. - Published in : JHEP 2208 (2022) 087 Fulltext: document - PDF; 2203.01808 - PDF; External link: Previous draft version
2.
Search for neutral long-lived particles in pp collisions at s = 13 TeV that decay into displaced hadronic jets in the ATLAS calorimeter / ATLAS Collaboration
A search for decays of pair-produced neutral long-lived particles (LLPs) is presented using 139 fb1 of proton-proton collision data collected by the ATLAS detector at the LHC in 2015-2018 at a centre-of-mass energy of 13 TeV. Dedicated techniques were developed for the reconstruction of displaced jets produced by LLPs decaying hadronically in the ATLAS hadronic calorimeter. [...]
arXiv:2203.01009; CERN-EP-2022-002.- Geneva : CERN, 2022-06-01 - 47 p. - Published in : JHEP 2206 (2022) 005 Fulltext: 2203.01009 - PDF; document - PDF; External link: Previous draft version
3.
Search for events with a pair of displaced vertices from long-lived neutral particles decaying into hadronic jets in the ATLAS muon spectrometer in pp collisions at s=13  TeV / ATLAS Collaboration
A search for events with two displaced vertices from long-lived particles (LLP) pairs using data collected by the ATLAS detector at the LHC is presented. This analysis uses 139 fb1 of proton-proton collision data at s=13 TeV recorded in 2015 - 2018. [...]
arXiv:2203.00587; CERN-EP-2021-195.- Geneva : CERN, 2022-08-01 - 41 p. - Published in : Phys. Rev. D 106 (2022) 032005 Fulltext: 2203.00587 - PDF; PhysRevD.106.032005 - PDF; External link: Previous draft version
4.
Measurements of jet observables sensitive to b-quark fragmentation in tt¯ events at the LHC with the ATLAS detector / ATLAS Collaboration
Several observables sensitive to the fragmentation of b-quarks into b-hadrons are measured using 36 fb1 of s=13 TeV proton--proton collision data collected with the ATLAS detector at the LHC. Jets containing b-hadrons are obtained from a sample of dileptonic tt¯ events, and the associated set of charged-particle tracks is separated into those from the primary pp interaction vertex and those from the displaced b-decay secondary vertex. [...]
arXiv:2202.13901; CERN-EP-2021-116.- Geneva : CERN, 2022-08-01 - 49 p. - Published in : Phys. Rev. D 106 (2022) 032008 Fulltext: PDF; Fulltext from publisher: PDF; External link: Previous draft version
5.
Measurements of differential cross-sections in top-quark pair events with a high transverse momentum top quark and limits on beyond the Standard Model contributions to top-quark pair production with the ATLAS detector at s = 13 TeV / ATLAS Collaboration
Cross-section measurements of top-quark pair production where the hadronically decaying top quark has transverse momentum greater than 355 GeV and the other top quark decays into νb are presented using 139 fb1 of data collected by the ATLAS experiment during proton-proton collisions at the LHC. The fiducial cross-section at s=13 TeV is measured to be σ=1.267±0.005±0.053 pb, where the uncertainties reflect the limited number of data events and the systematic uncertainties, giving a total uncertainty of 4.2%. [...]
arXiv:2202.12134; CERN-EP-2022-003.- Geneva : CERN, 2022-06-13 - 72 p. - Published in : JHEP 2206 (2022) 063 Fulltext: 2202.12134 - PDF; document - PDF; External link: Previous draft version
6.
Measurement of the polarisation of single top quarks and antiquarks produced in the t-channel at s=13 TeV and bounds on the tWb dipole operator from the ATLAS experiment / ATLAS Collaboration
A simultaneous measurement of the three components of the top-quark and top-antiquark polarisation vectors in t-channel single-top-quark production is presented. This analysis is based on data from proton-proton collisions at a centre-of-mass energy of 13 TeV corresponding to an integrated luminosity of 139 fb1, collected with the ATLAS detector at the LHC. [...]
arXiv:2202.11382; CERN-EP-2021-263.- Geneva : CERN, 2022-11-09 - 58 p. - Published in : JHEP 2211 (2022) 040 Fulltext: 2202.11382 - PDF; document - PDF; External link: Previous draft version
7.
Search for invisible Higgs-boson decays in events with vector-boson fusion signatures using 139 fb1 of proton-proton data recorded by the ATLAS experiment / ATLAS Collaboration
A direct search for Higgs bosons produced via vector-boson fusion and subsequently decaying into invisible particles is reported. The analysis uses 139 fb1 of pp collision data at a centre-of-mass energy of s=13TeV recorded by the ATLAS detector at the LHC. [...]
arXiv:2202.07953; CERN-EP-2021-258.- Geneva : CERN, 2022-08-08 - 66 p. - Published in : JHEP 2208 (2022) 104 Fulltext: 2202.07953 - PDF; document - PDF; External link: Previous draft version
8.
Search for resonant pair production of Higgs bosons in the bb¯bb¯ final state using pp collisions at s = 13 TeV with the ATLAS detector / ATLAS Collaboration
A search for resonant Higgs boson pair production in the bb¯bb¯ final state is presented. The analysis uses 126-139 fb1 of pp collision data at s = 13 TeV collected with the ATLAS detector at the Large Hadron Collider. [...]
arXiv:2202.07288; CERN-EP-2021-229.- Geneva : CERN, 2022-05-01 - 36 p. - Published in : Phys. Rev. D 105 (2022) 092002 Fulltext: 2202.07288 - PDF; PhysRevD.105.092002 - PDF; External link: Previous draft version
9.
Two-particle Bose–Einstein correlations in pp collisions at s=13 TeV measured with the ATLAS detector at the LHC / ATLAS Collaboration
This paper presents studies of Bose-Einstein correlations (BEC) in proton-proton collisions at a centre-of-mass energy of 13 TeV, using data from the ATLAS detector at the CERN Large Hadron Collider. Data were collected in a special low-luminosity configuration with a minimum-bias trigger and a high-multiplicity track trigger, accumulating integrated luminosities of 151 μb1 and 8.4 nb1 respectively. [...]
arXiv:2202.02218; CERN-EP-2021-172.- Geneva : CERN, 2022-07-11 - 38 p. - Published in : Eur. Phys. J. C 82 (2022) 608 Fulltext: 2202.02218 - PDF; document - PDF; External link: Previous draft version
10.
Search for type-III seesaw heavy leptons in leptonic final states in pp collisions at s=13TeV with the ATLAS detector / ATLAS Collaboration
A search for the pair production of heavy leptons as predicted by the type-III seesaw mechanism is presented. The search uses proton-proton collision data at a centre-of-mass energy of 13 TeV, corresponding to 139fb1 of integrated luminosity recorded by the ATLAS detector during Run 2 of the Large Hadron Collider. [...]
arXiv:2202.02039; CERN-EP-2021-211.- Geneva : CERN, 2022-11-03 - 44 p. - Published in : Eur. Phys. J. C 82 (2022) 988 Fulltext: 2202.02039 - PDF; Publication - PDF; External link: Previous draft version

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