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CERN Document Server 1,037 records found  1 - 10próximoend  jump to record: Search took 0.66 seconds. 
1.
Study of $B_c^+\to J/\psi D_s^+$ and $B_c^+\to J/\psi D_s^{*+}$ decays in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
A study of $B_c^+\to J/\psi D_s^+$ and $B_c^+\to J/\psi D_s^{*+}$ decays using 139 fb$^{-1}$ of integrated luminosity collected with the ATLAS detector from $\sqrt{s} = 13$ TeV $pp$ collisions at the LHC is presented. The ratios of the branching fractions of the two decays to the branching fraction of the $B_c^+\to J/\psi \pi^+$ decay are measured: $\mathcal B(B_c^+\to J/\psi D_s^+)/\mathcal B(B_c^+\to J/\psi \pi^+) = 2.76\pm 0.47$ and $\mathcal B(B_c^+\to J/\psi D_s^{*+})/\mathcal B(B_c^+\to J/\psi \pi^+) = 5.33\pm 0.96$. [...]
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
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2.
Search for neutral long-lived particles in $pp$ collisions at $ \sqrt{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 fb$^{-1}$ 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: document - PDF; 2203.01009 - PDF; External link: Previous draft version
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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 $\sqrt s$=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 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=13$ 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
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4.
Measurements of jet observables sensitive to $b$-quark fragmentation in $t\bar{t}$ 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 fb${}^{-1}$ of $\sqrt s = 13$ TeV proton--proton collision data collected with the ATLAS detector at the LHC. Jets containing $b$-hadrons are obtained from a sample of dileptonic $t\bar{t}$ 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
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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 $ \sqrt{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 $\ell \nu b$ are presented using 139 fb$^{-1}$ of data collected by the ATLAS experiment during proton-proton collisions at the LHC. The fiducial cross-section at $\sqrt{s}=13$ TeV is measured to be $\sigma = 1.267 \pm 0.005 \pm 0.053$ 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
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6.
Measurement of the polarisation of single top quarks and antiquarks produced in the $t$-channel at $\sqrt{s}=13$ TeV and bounds on the $\textit{tWb}$ 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 fb$^{-1}$, 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
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7.
Search for invisible Higgs-boson decays in events with vector-boson fusion signatures using 139 fb$^{-1}$ 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 $\text{fb}^{-1}$ of $pp$ collision data at a centre-of-mass energy of $\sqrt{s}=13 \text{TeV}$ 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: document - PDF; 2202.07953 - PDF; External link: Previous draft version
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8.
Search for resonant pair production of Higgs bosons in the $b\bar{b}b\bar{b}$ final state using $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / ATLAS Collaboration
A search for resonant Higgs boson pair production in the $b\bar{b}b\bar{b}$ final state is presented. The analysis uses 126-139 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}$ = 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
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9.
Two-particle Bose–Einstein correlations in ${ pp }$ collisions at $\mathbf {\sqrt{s} = 13}$ 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 $\mu$b$^{-1}$ and 8.4 nb$^{-1}$ 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
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10.
Search for type-III seesaw heavy leptons in leptonic final states in $pp$ collisions at $\sqrt{s} = 13\,\text{TeV}$ 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 $139\,\text{fb}^{-1}$ 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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CERN Document Server : 1,037 records found   1 - 10próximoend  jump to record:
Veja também: nomes de autores similares
1 GORDON, Hon Barton J.
1093 GORDON, Howard
337 Gordon, H
25 Gordon, H A
1 Gordon, H S
61 Gordon, H.
18 Gordon, H.A.
70 Gordon, Hamish
1 Gordon, Hannah
1 Gordon, Hayden Samuel
2 Gordon, Howard A
1 Gordon, Hugh
1 Gordon, Huntly
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