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ATLAS Notes

Latest additions:
2021-09-16
15:53
THE DEVELOPMENT OF A NEW CONDITIONS DATABASE PROTOTYPE FOR ATLAS RUN3 WITHIN THE CREST PROJECT / Mineev, Mikhail (Joint Inst. for Nuclear Research (RU)) ; Alexandrov, Evgeny (Joint Institute for Nuclear Research (RU)) ; Formica, Andrea (Université Paris-Saclay (FR)) ; Roe, Shaun (CERN)
The CREST project for a new conditions database prototype for Run3 (intended to be used for production in Run4) is focused on improvement of Athena based access, metadata management and, in particular, global tag management. [...]
ATL-SOFT-PROC-2021-023.
- 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text

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2021-09-16
15:22
ATLAS Forward Proton Detectors -- Special 2017 Low Pile-up Runs / Lewicki, Maciej Piotr (Polish Academy of Sciences (PL))
The performance of the ATLAS Forward Proton (AFP) Silicon Tracker detector is studied using the dedicated low-luminosity ATLAS LHC data collected in the 2017 running period of LHC Run~2. [...]
ATL-FWD-PROC-2021-001.
- 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text

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2021-09-16
12:19
ATLAS and CMS searches beyond inclusive resonances in leptonic final states / Novak, Tadej (Deutsches Elektronen-Synchrotron (DE))
Non-resonant final states containing leptons can be used to probe for physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2021-056.
- 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text

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2021-09-15
22:06
$HH$ non-resonant and self-coupling at ATLAS+CMS / Pereira Sanchez, Laura (Stockholm University (SE))
Measuring Higgs pair production (HH) will provide information about the Higgs self coupling, which is key to determine the shape of the Higgs potential at higher order. [...]
ATL-PHYS-PROC-2021-055.
- 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text

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2021-09-15
19:14
EFT Results from ATLAS / Barranco Navarro, Laura (Stockholm University (SE))
Among all the elementary particles that conform the Standard Model of particle physics, the top quark can provide key information on fundamental interactions at the electroweak symmetry-breaking scale and beyond. [...]
ATL-PHYS-PROC-2021-054.
- 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text

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2021-09-15
18:59
Search for Dark Matter produced in association with a Standard Model Higgs boson decaying to $b$-quarks with 139 $\mathrm{fb}^{-1}$ of $pp$ collision data with the ATLAS detector / Von Ahnen, Janik (Deutsches Elektronen-Synchrotron (DE))
Many extensions of the Standard Model predict the production of Dark Matter in association with Higgs bosons. [...]
ATL-PHYS-PROC-2021-053.
- 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text

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2021-09-15
18:25
Top production and decay / Menke, Sven (Max Planck Society (DE))
Measurements of inclusive and differential production cross-sections of top-quarks in pairs and in single top-quark modes as well as properties of their subsequent decays at the LHC are presented. [...]
ATL-PHYS-PROC-2021-052.
- 2021. - 9 p.
Original Communication (restricted to ATLAS) - Full text

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2021-09-15
16:25
Search for flavor-changing neutral-current couplings between the top quark and the Z boson with LHC Run2 proton-proton collisions at $\sqrt{s} = 13\,\text{TeV}$ with the ATLAS detector
A search for flavor-changing neutral-current couplings between a top quark, an up or charm quark and a $Z$ boson is presented, using proton-proton collision data at $\sqrt{s} = 13\,\text{TeV}$ collected by the ATLAS detector at the Large Hadron Collider. [...]
ATLAS-CONF-2021-049.
- 2021. - 32 p.
Original Communication (restricted to ATLAS) - Full text

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2021-09-15
16:24
Search for heavy resonances in four-top-quark final states in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
A search for associated production of a heavy $Z'$ boson with a top-antitop-quark pair $(t\bar{t}Z')$, and decaying into a $t\bar{t}$ pair is presented. [...]
ATLAS-CONF-2021-048.
- 2021.
Original Communication (restricted to ATLAS) - Full text

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2021-09-15
14:36
Recent Results in Single Top Production at the LHC / Gonzalvo Rodriguez, Galo Rafael (Univ. of Valencia and CSIC (ES))
This document presents the most recent results in the field of single-top-quark production using data recorded by both the ATLAS and CMS detectors at the LHC. [...]
ATL-PHYS-PROC-2021-051.
- 2021. - 5 p.
Original Communication (restricted to ATLAS) - Full text

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