ATLAS Notes

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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.
Original Communication (restricted to ATLAS) - Full text

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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. [...]
ATL-PHYS-PROC-2024-108. - 2024 - 4.
Original Communication (restricted to ATLAS) - Full text

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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.
Original Communication (restricted to ATLAS) - Full text

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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.
Original Communication (restricted to ATLAS) - Full text

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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.
Original Communication (restricted to ATLAS) - Full text

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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.
Original Communication (restricted to ATLAS) - Full text

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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.
Original Communication (restricted to ATLAS) - Full text

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2024-11-13
09:05

CaloJetSSD: Jet Finding as a Real-Time Object Detection Task
The High Luminosity upgrade to the LHC (HL-LHC) will deliver an unprecedented luminosity to the ATLAS experiment. [...]
ATL-DAQ-PUB-2024-003. - 2024 - 28.
Original Communication (restricted to ATLAS) - Full text

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2024-11-11
16:26

Trigger Studies with EF Tracking at the HL-LHC
The Event Filter Tracking system will allow for real-time charged-particle trajectory reconstruction for the trigger of the ATLAS experiment in the High-Luminosity LHC era. [...]
ATL-DAQ-PUB-2024-002. - 2024 - 43.
Original Communication (restricted to ATLAS) - Full text

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2024-11-04
09:58