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ATLAS Preprints

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2021-12-02
15:37
Search for flavour-changing neutral-current interactions of a top quark and a gluon in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search is presented for the production of a single top quark via left-handed flavour-changing neutral-current (FCNC) interactions of a top quark, a gluon and an up or charm quark. [...]
arXiv:2112.01302 ; CERN-EP-2021-234. - 2021. - 50 p, 50 p.
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2021-11-27
04:30
Standard Model soft QCD at ATLAS and CMS / Caforio, Davide (U. Giessen, II. Phys. Inst.)
Recent results in soft QCD at LHC by the ATLAS, CMS and TOTEM Collaborations are presented. [...]
arXiv:2111.03566. - 4 p.
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2021-11-24
04:21
Searches for leptoquarks in scenarios of lepton flavor universality anomalies / Reimers, Arne Christoph (APC, Paris)
Leptoquarks with masses at the TeV scale have been proposed as possible solutions to flavor anomalies reported in the b-flavor sector. [...]
arXiv:2111.11756. - 5 p.
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2021-11-19
04:03
Recent jet and jet substructure measurements at the LHC, and ML based tagging / Meena, Meena (Panjab U.)
Recent results are presented of jet and jet substructure measurements at the LHC, and of machine-learning-based tagging techniques using proton-proton collision data collected by the ATLAS and CMS experiments at CERN Large Hadron Collider. [...]
arXiv:2111.00414. - 7 p.
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2021-11-16
11:48
Search for associated production of a $Z$ boson with an invisibly decaying Higgs boson or dark matter candidates at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
A search for invisible decays of the Higgs boson as well as searches for dark matter candidates, produced together with a leptonically decaying $Z$ boson, are presented. [...]
arXiv:2111.08372 ; CERN-EP-2021-204. - 2021. - 43 p.
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2021-11-16
08:51
Constraints on Higgs boson production with large transverse momentum using $H\rightarrow b\bar{b}$ decays in the ATLAS detector / ATLAS Collaboration
This paper reports constraints on Higgs boson production with transverse momentum above 1 TeV. [...]
arXiv:2111.08340 ; CERN-EP-2021-185. - 2021. - 57 p.
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2021-11-14
12:46
Design and testing of an sTGC ASIC interface board for the ATLAS New Small Wheel upgrade / Wang, Xu (CUST, SKLPDE ; Hefei, CUST ; Michigan U.) ; Guan, Liang (Michigan U.) ; Sun, Siyuan (Michigan U.) ; Zhou, Bing (Michigan U.) ; Zhu, Junjie (Michigan U.) ; Jin, Ge (CUST, SKLPDE ; Hefei, CUST)
The ATLAS experiment will replace the present Small Wheel (SW) detector with a New Small Wheel detector (NSW) aiming to improve the performance of muon triggering and precision tracking in the endcap region at the High-Luminosity LHC. [...]
arXiv:2110.12469. - 11 p.
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2021-11-13
11:46
Collective dynamics of heavy ion collisions in ATLAS / Santos, Helena (LIP, Lisbon)
The latest measurements of collective behaviour in a variety of collision systems with the ATLAS detector at the LHC, including pp collisions at 13 TeV, Xe+Xe collisions at 5.44 TeV, and Pb+Pb collisions at 5.02 TeV, are presented. [...]
arXiv:2111.05335. - 4 p.
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2021-11-12
14:21
Measurement of Higgs boson decay into $b$-quarks in associated production with a top-quark pair in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / ATLAS Collaboration
The associated production of a Higgs boson and a top-quark pair is measured in events characterised by the presence of one or two electrons or muons. [...]
arXiv:2111.06712 ; CERN-EP-2021-202. - 2021. - 58 p.
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2021-11-12
13:17
Measurements of azimuthal anisotropies of jet production in Pb+Pb collisions at $\sqrt{s_{NN}} =$ 5.02 TeV with the ATLAS detector / ATLAS Collaboration
The azimuthal variation of jet yields in heavy-ion collisions provides information about the path-length dependence of the energy loss experienced by partons passing through the hot, dense nuclear matter known as the quark-gluon plasma. [...]
arXiv:2111.06606 ; CERN-EP-2021-218. - 2021. - 41 p.
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