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CERN Document Server 2,049 εγγραφές βρέθηκαν  1 - 10επόμενοτέλος  μετάβαση στην εγγραφή: Η έρευνα πήρε 1.04 δευτερόλεπτα. 
1.
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Averages of $b$-hadron, $c$-hadron, and $\tau$-lepton properties as of 2021 / HFLAV Collaboration
This paper reports world averages of measurements of $b$-hadron, $c$-hadron, and $\tau$-lepton properties obtained by the Heavy Flavour Averaging Group using results available before April 2021. In rare cases, significant results obtained several months later are also used. [...]
arXiv:2206.07501.- 2023-03-01 - 365 p. - Published in : Phys. Rev. D 107 (2023) 052008 Fulltext: 2206.07501 - PDF; Publication - PDF; External link: Physics Synopsis
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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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The ATLAS experiment at the CERN Large Hadron Collider: a description of the detector configuration for Run 3 / ATLAS Collaboration
The ATLAS detector is installed in its experimental cavern at Point 1 of the CERN Large Hadron Collider. During Run 2 of the LHC, a luminosity of $\mathcal{L}=2\times 10^{34}\mathrm{cm}^{-2}\mathrm{s}^{-1}$ was routinely achieved at the start of fills, twice the design luminosity. [...]
arXiv:2305.16623; CERN-EP-2022-259.- Geneva : CERN, 2024-05-23 - 233 p. - Published in : JINST 19 (2024) P05063 Fulltext: 2305.16623 - PDF; document - PDF; External link: Previous draft version
In : The Large Hadron Collider and The Experiments for Run 3
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4.
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Software Performance of the ATLAS Track Reconstruction for LHC Run 3 / ATLAS Collaboration
Charged particle reconstruction in the presence of many simultaneous proton-proton ($pp$) collisions in the LHC is a challenging task for the ATLAS experiment's reconstruction software due to the combinatorial complexity. This paper describes the major changes made to adapt the software to reconstruct high-activity collisions with an average of 50 or more simultaneous $pp$ interactions per bunch crossing (pile-up) promptly using the available computing resources. [...]
arXiv:2308.09471; CERN-EP-2023-168.- Geneva : CERN, 2024-04-02 - 47 p. - Published in : Comput. Softw. Big Sci. 8 (2024) 9 Fulltext: 2308.09471 - PDF; document - PDF; External link: Previous draft version
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(85)
Electron and photon energy calibration with the ATLAS detector using LHC Run 2 data / ATLAS Collaboration
This paper presents the electron and photon energy calibration obtained with the ATLAS detector using 140 fb$^{-1}$ of LHC proton-proton collision data recorded at $\sqrt{s}=13$ TeV between 2015 and 2018. Methods for the measurement of electron and photon energies are outlined, along with the current knowledge of the passive material in front of the ATLAS electromagnetic calorimeter. [...]
arXiv:2309.05471; CERN-EP-2023-128.- Geneva : CERN, 2024-02-05 - 58 p. - Published in : JINST 19 (2024) P02009 Fulltext: document - PDF; Publication - PDF; 2309.05471 - PDF; External link: Previous draft version
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Calibration of a soft secondary vertex tagger using proton-proton collisions at $\sqrt{s}=$13 TeV with the ATLAS detector / ATLAS Collaboration
Several processes studied by the ATLAS experiment at the Large Hadron Collider produce low-momentum $b$-flavored hadrons in the final state. This paper describes the calibration of a dedicated tagging algorithm that identifies $b$-flavored hadrons outside of hadronic jets by reconstructing the soft secondary vertices originating from their decays. [...]
arXiv:2405.03253; CERN-EP-2024-108.- Geneva : CERN, 2024-08-01 - 30 p. - Published in : Phys. Rev. D 110 (2024) 032015 Fulltext: 2405.03253 - PDF; Publication - PDF; External link: Previous draft version
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7.
(85)
Disentangling sources of momentum fluctuations in Xe+Xe and Pb+Pb collisions with the ATLAS detector / ATLAS Collaboration
High-energy nuclear collisions create a quark-gluon plasma, whose initial condition and subsequent expansion vary from event to event, impacting the distribution of the event-wise average transverse momentum ($P([p_{\mathrm{T}}])$). Distinguishing between contributions from fluctuations in the size of the nuclear overlap area (geometrical component) and other sources at fixed size (intrinsic component) presents a challenge. [...]
arXiv:2407.06413; CERN-EP-2024-173.- Geneva : CERN, 2024-12-16 - 23 p. - Published in : Phys. Rev. Lett. 133 (2024) 252301 Fulltext: ANA-HION-2021-20-PAPER - PDF; 2407.06413 - PDF; Publication - PDF; External link: Previous draft version
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8.
(85)
Pursuit of paired dijet resonances in the Run 2 dataset with ATLAS / ATLAS Collaboration
New particles with large masses that decay into hadronically interacting particles are predicted by many models of physics beyond the Standard Model. A search for a massive resonance that decays into pairs of dijet resonances is performed using 140 fb-1 of proton-proton collisions at $\sqrt(s)$=13 TeV recorded by the ATLAS detector during Run 2 of the Large Hadron Collider. [...]
arXiv:2307.14944; CERN-EP-2023-147.- Geneva : CERN, 2023-12-01 - 30 p. - Published in : Phys. Rev. D 108 (2023) 112005 Fulltext: Publication - PDF; 2307.14944 - PDF; External link: Previous draft version
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9.
(85)
Search for dark photons in rare $Z$ boson decays with the ATLAS detector / ATLAS Collaboration
A search for events with a dark photon produced in association with a dark Higgs boson via rare decays of the Standard Model $Z$ boson is presented, using 139 fb$^{-1}$ of $\sqrt{s} = 13$ TeV proton-proton collision data recorded by the ATLAS detector at the Large Hadron Collider. The dark Higgs boson decays into a pair of dark photons, and at least two of the three dark photons must each decay into a pair of electrons or muons, resulting in at least two same-flavor opposite-charge lepton pairs in the final state. [...]
arXiv:2306.07413; CERN-EP-2023-107.- Geneva : CERN, 2023-12-18 - 23 p. - Published in : Phys. Rev. Lett. 131 (2023) 251801 Fulltext: 2306.07413 - PDF; ATLAS-CONF-2023-016 - PDF; Publication - PDF; External link: Previous draft version
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Sensor response and radiation damage effects for 3D pixels in the ATLAS IBL Detector / ATLAS Collaboration
Pixel sensors in 3D technology equip the outer ends of the staves of the Insertable B Layer (IBL), the innermost layer of the ATLAS Pixel Detector, which was installed before the start of LHC Run 2 in 2015. 3D pixel sensors are expected to exhibit more tolerance to radiation damage and are the technology of choice for the innermost layer in the ATLAS tracker upgrade for the HL-LHC programme. [...]
arXiv:2407.05716; CERN-EP-2024-156.- Geneva : CERN, 2024-10-04 - 42 p. - Published in : JINST 19 (2024) P10008 Fulltext: ANA-PIXE-2023-02-PAPER - PDF; 2407.05716 - PDF; document - PDF; External link: Previous draft version
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