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ATLAS Notes

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2024-11-27
01:42
Measurements of $t\bar{t}$ in association with charm quarks at 13 TeV with the ATLAS experiment / Zoch, Knut (Harvard University (US))
This talk presents the ATLAS Collaboration's first measurement of the inclusive cross-section for top-quark pair production in association with charm quarks. [...]
ATL-PHYS-PROC-2024-111. - 2024 - mult..
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2024-11-26
10:07
Irradiation test for BETSEE at CSNS for ATLAS ITk strip upgrade / ATLAS Collaboration
ITk strip module is the basic unit in ITk strip upgrade, to perform an irradiation test on a strip module using a beam size that is not too large, the collaboration develop a smaller board called Board for Evaluation of Triple chip Single Event Effect (BETSEE).\ This paper will introduce the result for the BETSEE test with all latest version of ASICs using proton beam at China Spallation Neutron Source.\ The TID effect were monitored because of the high flux in CSNS..
ATL-ITK-PROC-2024-046. - 2024 - 6.
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2024-11-26
10:05
ATLAS results on diffraction / Staszewski, Rafal (Polish Academy of Sciences (PL))
Over many years of operation, the ATLAS detector at the LHC has proved its capabilities in studies of diffractive processes. [...]
ATL-PHYS-PROC-2024-110. - 2024 - 6.
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2024-11-21
21:46
Recent ATLAS results relevant for PDFs at low and high x, saturation in both $pp$ and HI collisions / Mondal, Santu (Czech Technical University in Prague (CZ))
This proceedings summarises the results of three major studies on nuclear parton distribution functions (nPDFs) from high-energy collisions at the CERN Large Hadron Collider (LHC). [...]
ATL-PHYS-PROC-2024-109. - 2024 - 8.
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2024-11-20
09:28
Measurements of inclusive and differential cross-sections of $t\bar{t}\gamma$ production in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector / Diez Pardos, Carmen (Universitaet Siegen (DE))
Cross-section measurements of the associated production of a top quark pair and a photon ($t\bar{t}\gamma$) are performed with an integrated luminosity of 140 fb$^{-1}$ of proton-proton collisions at a centre-of-mass energy of 13 TeV collected by the ATLAS detector at the LHC. [...]
arXiv:2411.15261 ; ATL-PHYS-PROC-2024-108. - 2024 - 4.
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2024-11-19
21:13
Search for flavour-changing neutral current couplings between the top quark and the Higgs boson in multilepton final states with the ATLAS detector / Wahdan, Shayma (Bergische Universitaet Wuppertal (DE))
This proceeding presents a search for flavour-changing neutral-current (FCNC) interaction involving the top quark, Higgs boson and either the up or the charm quark, using \SI{140}{\mbox{fb\(^{-1}\)}} of \SI{13}{\tera\electronvolt} proton--proton collision data from the ATLAS detector at the Large Hadron Collider. [...]
ATL-PHYS-PROC-2024-107. - 2024 - 5.
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2024-11-19
21:10
Searches for lepton-flavour-violating decays of the Higgs boson into $e\tau$ and $\mu\tau$ in $\sqrt(s) = 13$ TeV pp collisions with the ATLAS detector / Chu, Michael Kwok Lam (Weizmann Institute of Science (IL))
This document presents direct searches for lepton-flavour-violating for lepton flavour violation in Higgs boson decays, $H\rightarrow e\tau$ and $H\rightarrow\mu\tau$, performed using data collected with the ATLAS detector at the LHC. [...]
ATL-PHYS-PROC-2024-106. - 2024 - 4.
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2024-11-18
10:48
Evaluation of the Prototype Peripheral Electronics Board for the High Granularity Timing Detector / Ge, Zhenwu ; Zhang, Jie (Chinese Academy of Sciences (CN)) ; Zhang, Lei (Nanjing University (CN))
To mitigate the effects of pileup resulting from increased luminosity during the ATLAS Phase-II upgrade, the High Granularity Timing Detector (HGTD) was proposed to accurately measure the timing of tracks. [...]
ATL-HGTD-PROC-2024-003. - 2024 - 7.
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2024-11-17
21:35
Measurement of the t-channel single top-quark production cross section at $\sqrt{s}=13$ TeV with the ATLAS detector and interpretations of the measurement / Stratmann, Maren (Bergische Universitaet Wuppertal (DE))
The $t$-channel is the dominant production channel for single top-quarks at the LHC. [...]
ATL-PHYS-PROC-2024-105. - 2024 - 4.
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2024-11-16
07:56
Inclusive top cross sections in ATLAS / Chen, Charlie (University of Victoria (CA))
The ATLAS collaboration at the LHC has published inclusive cross-section measurements for the single-top and \ttbar production modes at center-of-mass energies of $\sqrt{s} = 5.02, 8.16$, $13$, and $13.6$ TeV. [...]
ATL-PHYS-PROC-2024-104. - 2024 - 8.
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ATLAS Conference Contributions (5,699)
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ATLAS Conference Notes (1,266)