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ATLAS Notes

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2021-03-05
18:11
Measurement of the $b$-jet identification efficiency for high transverse momentum jets in $t\bar{t}$ events in the lepton + jets channel with the ATLAS detector using Run 2 data
The identification of jets containing $b$-hadrons is a crucial ingredient for many analyses of the ATLAS experiment physics programme. [...]
ATL-PHYS-PUB-2021-004. - 2021.
Original Communication (restricted to ATLAS) - Full text

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2021-03-03
18:17
Measurements of asymmetries in top-quark production and tests of lepton universality in ATLAS / Bruscino, Nello (Sapienza Universita e INFN, Roma I (IT))
The top quark is the heaviest known fundamental particle. [...]
ATL-PHYS-PROC-2021-011. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text

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2021-03-02
09:19
Simulation-based extrapolation of b-tagging calibrations towards high transverse momenta in the ATLAS experiment
The identification of jets containing $b$-hadrons is an important tool for many of the analyses that comprise the physics programme of the ATLAS Collaboration. [...]
ATL-PHYS-PUB-2021-003. - 2021. - 12 p.
Original Communication (restricted to ATLAS) - Full text

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2021-03-01
23:05
Physics Object Localization with Point Cloud Segmentation Networks
In modern particle physics experiments, the identification and trajectory of physics object, e.g. [...]
ATL-PHYS-PUB-2021-002. - 2021. - 16 p.
Original Communication (restricted to ATLAS) - Full text

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2021-03-01
13:50
Performance of the muon spectrometer alignment in 2017 and 2018 data
An updated alignment has been released for the reprocessing of 2017 and 2018 data. [...]
ATL-MUON-PUB-2021-002. - 2021. - 9 p.
Original Communication (restricted to ATLAS) - Full text

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2021-02-26
22:11
Rare $B-$Decays: An Update from the ATLAS Experiment / Perrevoort, Ann-kathrin (FOM - Institute SAF Nikhef and University of Amsterdam/Nikhef)
Rare flavour-changing neutral current processes are sensitive probes for physics beyond the Standard Model. [...]
ATL-PHYS-PROC-2021-010. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text

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2021-02-25
14:04
Searches for new phenomena in final states with $3^{\mathrm{rd}}$ generation quarks using the ATLAS detector / Khoda, Elham E (University of British Columbia)
Many theories beyond the Standard Model predict new phenomena, such as $Z'$ and vector-like quarks, in final states containing bottom- or top-quarks. [...]
ATL-PHYS-PROC-2021-009. - 2021. - 13 p.
Original Communication (restricted to ATLAS) - Full text

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2021-02-25
13:58
ATLAS: HL-LHC Upgrades and B-Physics Measurements / Barton, Adam Edward (Lancaster University, Department of Physics)
The excellent performance of the Large Hadron Collider (LHC) at CERN has successfully pushed the boundaries of particle physics for over two decades. [...]
ATL-PHYS-PROC-2021-008. - 2021. - 7 p.
Original Communication (restricted to ATLAS) - Full text

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2021-02-24
14:07
$t\bar{t}W$ Production: a very complex process / Miralles Lopez, Marcos (Instituto de Fisica Corpuscular (IFIC), Centro Mixto Universidad de Valencia - CSIC)
These studies describe the impact of higher order effects in both QCD and EW $t\bar{t}W$ production. [...]
ATL-PHYS-PROC-2021-007. - 2021. - 6 p.
Original Communication (restricted to ATLAS) - Full text

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2021-02-24
13:27
Search for rare decays of the observed Higgs boson and additional Higgs bosons with the ATLAS detector / Kawaguchi, Tomomi (Graduate School of Science and Kobayashi-Maskawa Institute, Nagoya University)
The searches for rare decays of the Standard Model (SM) Higgs boson and additional Higgs boson are searched for with the large amount of data recorded by the ATLAS experiment during the LHC pp collision run at 13 TeV corresponding to an integrated luminosity of 139 fb−1. [...]
ATL-PHYS-PROC-2021-006. - 2021. - 13 p.
Original Communication (restricted to ATLAS) - Full text

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