ATLAS Notes

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2023-12-07
16:19

LUCID-3: the upgrade of the ATLAS Luminosity detector for High-Luminosity LHC / Giacobbe, Benedetto (Universita e INFN, Bologna (IT))
The ATLAS physics program at the High Luminosity LHC (HL-LHC) calls for a precision in the luminosity measurement of 1%. [...]
ATL-FWD-PROC-2023-005. - 2023. - 11 p.
Original Communication (restricted to ATLAS) - Full text

2023-12-07
14:50

ITk pixel module assembly and testing experience / Petrukhin, Alexey (Universitaet Siegen (DE))
The entire tracking system of the ATLAS experiment will be replaced during the LHC Phase II shutdown. [...]
ATL-ITK-PROC-2023-017. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text

2023-12-07
10:27

Simulation and expected detector performance of fractionally charged particles in ATLAS
Searching for long-lived fractionally charged particles (FCPs) provides a novel opportunity in the exploration for new physics. [...]
ATL-SOFT-PUB-2023-002. - 2023.
Original Communication (restricted to ATLAS) - Full text

2023-12-07
10:23

Probing initial state effects in nuclear collisions via jet and top-quark measurements with the ATLAS detector / Potepa, Patrycja Anna (AGH University of Krakow (PL))
Proton-lead collisions at the Large Hadron Collider energies offer a unique possibility to investigate initial state effects in nuclear collisions. [...]
ATL-PHYS-PROC-2023-100. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text

2023-12-07
10:18

Observation of top-quark pair production in proton-lead collisions in ATLAS / Baron, Petr (Palacky University (CZ)) ; ATLAS Collaboration
Observation of top-quark pair production in proton-lead collisions in ATLAS Top-quarks and Higgs boson are the only elementary particles that have not been observed in heavy-ion collisions in the ATLAS detector yet. [...]
ATL-PHYS-PROC-2023-099. - 2023. - 12 p.
Original Communication (restricted to ATLAS) - Full text

2023-12-06
16:21

Luminosity determination for the measurement of the total proton-proton cross section and the $\rho$-parameter with the ATLAS experiment at the LHC / Sanzani, Elisa (Universita e INFN, Bologna (IT)) ; Giacobbe, Benedetto (Universita e INFN, Bologna (IT)) ; Valentinetti, Sara (Universita e INFN, Bologna (IT)) ; Sbrizzi, Antonio (Universita e INFN, Bologna (IT))
The ATLAS experiment has measured the total proton-proton cross section during the LHC Run1 at $\sqrt s=7$ and $8~$TeV and in Run2 at $\sqrt s=13~$TeV using a luminosity dependent approach. [...]
ATL-PHYS-PROC-2023-098. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text

2023-12-06
16:19

ATLAS measurement of mean momentum fluctuations and correlations with the flow in Xe+Xe and Pb+Pb collisions / Bold, Tomasz (AGH University of Krakow (PL))
The thermal fluctuations in the QGP medium formed in heavy ion collisions present themselves as event-wise $[p_\mathrm{T}]$ fluctuations in the final state. [...]
ATL-PHYS-PROC-2023-097. - 2023. - 4 p.
Original Communication (restricted to ATLAS) - Full text

2023-12-05
17:49

Upgrade of ATLAS Hadronic Tile Calorimeter for the High Luminosity LHC / Leone, Sandra (Universita & INFN Pisa (IT))
The Tile Calorimeter (TileCal) is the hadronic calorimeter covering the central region of the ATLAS experiment. [...]
ATL-TILECAL-PROC-2023-001. - 2023. - 10 p.
Original Communication (restricted to ATLAS) - Full text

2023-12-05
15:43

Looking for QGP signatures in ultraperipheral PbPb collisions / Das, Sruthy Jyothi (University of Colorado Boulder (US))
Ultraperipheral collisions of relativistic heavy ion beams lead to a diverse set of photon-nucleus (photonuclear) interactions. [...]
ATL-PHYS-PROC-2023-096. - 2023.
Original Communication (restricted to ATLAS) - Full text

2023-12-04
17:25

Measurement of $t\bar{t}$ and single-top quark production in the ATLAS experiment / Faraj, Mohammed (Abdus Salam Int. Cent. Theor. Phys. (IT))
The most recent inclusive and differential cross-section results for the top quark pair and single-top quark production are presented in this proceeding. [...]
ATL-PHYS-PROC-2023-095. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text

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