CERN Accelerating science

CERN Document Server 358 Datensätze gefunden  1 - 10nächsteEnde  gehen zum Datensatz: Die Suche hat 1.66 Sekunden gedauert. 
1.
Measurements of $W^+W^-$ production cross-sections in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
Measurements of $W^+W^-\rightarrow e^\pm \nu \mu^\mp \nu$ production cross-sections are presented, providing a test of the predictions of perturbative quantum chromodynamics and the electroweak theory. The measurements are based on data from $pp$ collisions at $\sqrt{s}=13$ TeV recorded by the ATLAS detector at the Large Hadron Collider in 2015-2018, corresponding to an integrated luminosity of 140 fb$^{-1}$. [...]
arXiv:2505.11310; CERN-EP-2025-091.- Geneva : CERN, 2025-08-19 - 62 p. - Published in : JHEP 2508 (2025) 142 Fulltext: ANA-STDM-2020-16-PAPER - PDF; 2505.11310 - PDF; document - PDF; External link: Previous draft version
2.
Precision measurement of the $B^{0}$ meson lifetime using $B^{0} \rightarrow J/\psi K^{*0}$ decays with the ATLAS detector / ATLAS Collaboration
A measurement of the $B^{0}$ meson lifetime and related properties using $B^0 \to J/\psi K^{*0}$ decays in data from 13 TeV proton-proton collisions with an integrated luminosity of 140 fb$^{-1}$ recorded by the ATLAS detector at the LHC is presented. The measured effective lifetime is $$ \tau = 1.5053 \pm 0.0012 ~\mathrm{(stat.)} \pm 0.0035 ~\mathrm{(syst.)~ps}. [...]
arXiv:2411.09962; CERN-EP-2024-279.- Geneva : CERN, 2025-07-03 - 39 p. - Published in : Eur. Phys. J. C 85 (2025) 736 Fulltext: 2411.09962 - PDF; document - PDF; External link: Previous draft version
3.
Search for supersymmetry in final states with missing transverse momentum and charm-tagged jets using 139 fb$^{-1}$ of proton-proton collisions at $\sqrt{s}=$ 13 TeV with the ATLAS detector / ATLAS Collaboration
The paper presents a search for supersymmetric particles produced in proton-proton collisions at $\sqrt{s}=$ 13 TeV and decaying into final states with missing transverse momentum and jets originating from charm quarks. The data were taken with the ATLAS detector at the Large Hadron Collider at CERN from 2015 to 2018 and correspond to an integrated luminosity of 139 fb$^{-1}$. [...]
arXiv:2410.17824; CERN-EP-2024-218.- Geneva : CERN, 2025-02-27 - 53 p. - Published in : JHEP 2502 (2025) 193 Fulltext: 2410.17824 - PDF; document - PDF; External link: Previous draft version
4.
Search for a new scalar decaying into new spin-1 bosons in four-lepton final states with the ATLAS detector / Aad, Georges (Marseille, CPPM) ; Abbott, Braden Keim (Oklahoma U.) ; Abeling, Kira (Gottingen U., II. Phys. Inst.) ; Abicht, Nils Julius (Dortmund U.) ; Abidi, Haider (Brookhaven) ; Aboulhorma, Asmaa (Mohammed V U., Agdal) ; Abramowicz, Halina (Tel Aviv U.) ; Abreu, Henso (Technion) ; Abulaiti, Yiming (New York U.) ; Abusleme, Angel (Chile U., Catolica) et al.
A search is conducted for a new scalar boson $S$, with a mass distinct from that of the Higgs boson, decaying into four leptons ($\ell =$ $e$, $\mu$) via an intermediate state containing two on-shell, promptly decaying new spin-1 bosons $Z_\text{d}$: $S \rightarrow Z_\text{d}Z_\text{d} \rightarrow 4\ell$, where the $Z_\text{d}$ boson has a mass between 15 and 300 GeV, and the $S$ boson has a mass between either 30 and 115 GeV or 130 and 800 GeV. The search uses proton-proton collision data collected with the ATLAS detector at the Large Hadron Collider with an integrated luminosity of 139 fb$^{-1}$ at a centre-of-mass energy of $\sqrt{s}=13$ TeV. [...]
arXiv:2410.16781; CERN-EP-2024-248.- Geneva : CERN, 2025-04-16 - 36 p. - Published in : Phys. Lett. B 865 (2025) 139472 Fulltext: 2410.16781 - PDF; publication - PDF; External link: Previous draft version
5.
Search for single-production of vector-like quarks decaying into $Wb$ in the fully hadronic final state in $pp$ collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for $T$ and $Y$ vector-like quarks produced in proton-proton collisions at a centre-of-mass energy of $13\,\text{TeV}$ and decaying into $Wb$ in the fully hadronic final state is presented. The search uses 139 fb$^{-1}$ of data collected by the ATLAS detector at the LHC from 2015 to 2018. [...]
arXiv:2409.20273; CERN-EP-2024-222.- Geneva : CERN, 2025-02-12 - 44 p. - Published in : JHEP 2502 (2025) 075 Fulltext: 2409.20273 - PDF; Publication - PDF; document - PDF; External link: Previous draft version
6.
Search for $t\bar{t}H/A \rightarrow t\bar{t}t\bar{t}$ production in proton-proton collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search is presented for a heavy scalar ($H$) or pseudo-scalar ($A$) predicted by the two-Higgs-doublet models, where the $H/A$ is produced in association with a top-quark pair ($t\bar{t}H/A$), and with the $H/A$ decaying into a $t\bar{t}$ pair. Events are selected requiring exactly one or two opposite-charge electrons or muons. [...]
arXiv:2408.17164; CERN-EP-2024-197.- Geneva : CERN, 2025-05-26 - 51 p. - Published in : Eur. Phys. J. C 85 (2025) 573 Fulltext: 2408.17164 - PDF; document - PDF; External link: Previous draft version
7.
Search for heavy right-handed Majorana neutrinos in the decay of top quarks produced in proton-proton collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector / ATLAS Collaboration
A search for heavy right-handed Majorana neutrinos is performed with the ATLAS detector at the CERN Large Hadron Collider, using the 140 $fb^{-1}$ of proton-proton collision data at $\sqrt{s}$ = 13 TeV collected during Run 2. This search targets $t\bar{t}$ production, in which both top quarks decay into a bottom quark and a $W$ boson, where one of the $W$ bosons decays hadronically and the other decays into an electron or muon and a heavy neutral lepton. [...]
arXiv:2408.05000; CERN-EP-2024-154.- Geneva : CERN, 2024-12-01 - 33 p. - Published in : Phys. Rev. D 110 (2024) 112004 Fulltext: 2408.05000 - PDF; Publication - PDF; External link: Previous draft version
8.
Search for boosted low-mass resonances decaying into hadrons produced in association with a photon in pp collisions at $ \sqrt{s} $ = 13 TeV with the ATLAS detector / ATLAS Collaboration
Many extensions of the Standard Model, including those with dark matter particles, propose new mediator particles that decay into hadrons. This paper presents a search for such low mass narrow resonances decaying into hadrons using 140 fb$^{-1}$ of proton-proton collision data recorded with the ATLAS detector at a centre-of-mass energy of 13 TeV. [...]
arXiv:2408.00049; CERN-EP-2024-188.- Geneva : CERN, 2025-01-21 - 38 p. - Published in : JHEP 2501 (2025) 099 Fulltext: 2408.00049 - PDF; document - PDF; External link: Previous draft version
9.
Accuracy versus precision in boosted top tagging with the ATLAS detector / ATLAS Collaboration
The identification of top quark decays where the top quark has a large momentum transverse to the beam axis, known as \textit{top tagging}, is a crucial component in many measurements of Standard Model processes and searches for beyond the Standard Model physics at the Large Hadron Collider. Machine learning techniques have improved the performance of top tagging algorithms, but the size of the systematic uncertainties for all proposed algorithms has not been systematically studied. [...]
arXiv:2407.20127; CERN-EP-2024-159.- Geneva : CERN, 2024-08-27 - 47 p. - Published in : JINST 19 (2024) P08018 Fulltext: 2407.20127 - PDF; document - PDF; External link: Previous draft version
10.
Jet radius dependence of dijet momentum balance and suppression in Pb+Pb collisions at 5.02 TeV with the ATLAS detector / ATLAS Collaboration
This paper describes a measurement of the jet radius dependence of the dijet momentum balance between leading back-to-back jets in 1.72 $nb^{-1}$ of Pb+Pb collisions collected in 2018 and 255 pb$^{-1}$ of $pp$ collisions collected in 2017 by the ATLAS detector at the LHC. Both data sets were collected at $ \sqrt{s_{\rm NN}}=$ 5.02 TeV. [...]
arXiv:2407.18796; CERN-EP-2024-196.- Geneva : CERN, 2024-11-25 - 59 p. - Published in : Phys. Rev. C 110 (2024) 054912 Fulltext: PDF; External link: Previous draft version

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