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ATLAS Preprints

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2021-04-15
06:18
Top Pair and Single top Production in ATLAS / Fabbri, Federica (INFN, Bologna ; U. Bologna, DIFA) /ATLAS Collaboration
Measurements of inclusive and differential top-quark production cross sections in proton-proton collisions at a center of mass energy of 8 TeV and 13 TeV at the Large Hadron Collider using the ATLAS detector are presented. The inclusive measurements of top quark pair and single top quark production are compared to the best available theoretical calculations. [...]
2019 - 5 p. - Published in : 10.1142/9789811202339_0080
In : 18th Lomonosov Conference on Elementary Particle Physics : Particle Physics at the Silver Jubilee of Lomonosov Conferences, Moscow, Russia, 24 - 30 Aug 2017, pp.443-447

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2021-04-15
06:18
Selected Results from the ATLAS Experiment on its 25$^{th}$ anniversary / Djama, Farès (Marseille, CPPM)
The Lomonosov Conference and the ATLAS Collaboration celebrated their 25th anniversaries at a few weeks interval. [...]
2019. - 7 p.

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2021-04-15
06:18
Electroweak Precision Measurements in ATLAS / Soldatov, Evgeny (Moscow Phys. Eng. Inst.)
The ATLAS collaboration has performed detailed integrated and differential cross-section measurements of heavy bosons and di-boson pairs production in fully-leptonic and semi-leptonic final states at the centre-of-mass energies of 8 and 13 TeV for pp collisions provided by the LHC. [...]
2019. - 4 p.

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2021-04-15
06:18
Searches for Supersymmerty with the ATLAS Detector / Ronzani, Manfredi (Freiburg U.)
Despite the absence of experimental evidence, weak scale supersymmetry remains one of the best motivated and studied Standard Model extensions. [...]
2019. - 5 p.

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2021-04-07
13:04
A search for the decays of stopped long-lived particles at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for long-lived particles, which have come to rest within the ATLAS detector, is presented. [...]
arXiv:2104.03050 ; CERN-EP-2021-041. - 2021. - 48 p.
Fulltext - Previous draft version - Fulltext

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2021-04-01
04:35
Measuring standard model parameters using top-quark cross sections in ATLAS and CMS / Defranchis, Matteo M. (CERN) /ATLAS Collaboration ; CMS Collaboration
Theoretical predictions of top-quark cross sections depend on the values of the parameters of the quantum chromodynamics Lagrangian, such as the strong coupling constant and the mass of the top quark, but also on parameters of the electroweak sector of the standard model and parton distribution functions. Comparisons between state-of-the-art calculations and recent measurements at the ATLAS and CMS experiments at the CERN LHC allow for the precise determination of these parameters. [...]
arXiv:2103.16384.- 2021-03-30 - 6 p. Fulltext: PDF;
In : 13th International Workshop on Top-Quark Physics, Durham, United Kingdom, 14 - 18 Sep 2020

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2021-03-26
04:01
Latest Studies of the SM Higgs Boson Couplings to Fermions at ATLAS / Liu, Yanlin (Michigan U.)
This proceeding presents the latest studies on the Yukawa couplings of the Standard Model Higgs boson with 139 fb$^{-1}$ data collected using the ATLAS detector at a center-of-mass energy of 13 TeV. [...]
arXiv:2103.12780. - 5 p.
Fulltext

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2021-03-23
14:43
Measurements of the inclusive and differential production cross sections of a top-quark-antiquark pair in association with a $Z$ boson at $\sqrt{s} = 13$ TeV with the ATLAS detector
Measurements of both the inclusive and differential production cross sections of a top-quark-antiquark pair in association with a $Z$ boson ($t\bar{t}Z$) are presented. [...]
CERN-EP-2021-011. - 2021.
Fulltext - Previous draft version

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2021-03-23
06:24
Impact parameter dependence of the collinearly improved Balitsky-Kovchegov evolution equation / Matas, Marek (Prague, Tech. U.) ; Bendova, Dagmar (Prague, Tech. U.) ; Cepila, Jan (Prague, Tech. U.) ; Contreras, Jesus Guillermo (Prague, Tech. U.)
We have solved the Balistky-Kovchegov evolution equation including the impact-parameter dependence and obtained solutions which are not spoiled by theemergence of non-perturbative effects, dubbed Coulomb tails. [...]
Lawrence : University of Kansas Libraries, 2020. - 6 p.

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2021-03-22
10:03
Search for supersymmetry in events with four or more charged leptons in 139 fb$^{-1}$ of $\sqrt{s}=13$ TeV $pp$ collisions with the ATLAS detector / ATLAS Collaboration
A search for supersymmetry in events with four or more charged leptons (electrons, muons and $\tau$-leptons) is presented [...]
arXiv:2103.11684 ; CERN-EP-2021-021. - 2021. - 53 p.
Fulltext - Previous draft version - Fulltext

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