ATLAS Notes

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2023-03-21
10:04

Measurement of the $H \to \gamma \gamma$ fiducial cross-section in $pp$ collisions at $\sqrt{s}=13.6$ TeV with the ATLAS detector
The Higgs boson production cross-section in the di-photon decay channel is measured using $31.4 \ \mathrm{fb}^{-1}$ of $pp$ collision data collected with the ATLAS detector at a centre-of-mass energy of $\sqrt{s}=13.6 \ \mathrm{TeV}$. [...]
ATLAS-CONF-2023-003. - 2023. - 14 p.
Original Communication (restricted to ATLAS) - Full text

2023-03-20
17:15

Summary plots from ATLAS searches for pair-produced leptoquarks
This note collects summary plots with exclusion contours derived for four different pair-production scenarios of scalar leptoquarks. [...]
ATL-PHYS-PUB-2023-006. - 2023.
Original Communication (restricted to ATLAS) - Full text

2023-03-17
12:42

SUSY March 2023 Summary Plot Update
These are summary plots, updated for the SUSY group in March 2023
ATL-PHYS-PUB-2023-005. - 2023. - 26 p.
Original Communication (restricted to ATLAS) - Full text

2023-03-10
10:36

ATLAS Muon New Small Wheel Grounding, Power and Interconnect Guidelines and Policies
The purpose of this document is to identify grounding, bypassing, signaling, and other issues affecting the integrity of the New Small Wheel detectors, their signals, and their electronics. [...]
ATL-MUON-PUB-2023-001. - 2023. - 28 p.
Original Communication (restricted to ATLAS) - Full text

2023-03-07
20:12

Summary of ATLAS searches for Higgs and $Z$ boson decays to a meson and a photon
This note presents a summary of results from the most recent ATLAS searches for Higgs and $Z$ boson decays to a meson and a photon. [...]
ATL-PHYS-PUB-2023-004. - 2023.
Original Communication (restricted to ATLAS) - Full text

2023-03-06
15:59

Search for an Axion-Like Particle with forward proton scattering in association with photon pairs at ATLAS
A search for forward proton scattering in association with light-by-light scattering mediated by an axion-like particle is presented, using the ATLAS Forward Proton spectrometer to detect scattered protons and the central ATLAS detector to detect pairs of outgoing photons. [...]
ATLAS-CONF-2023-002. - 2023.
Original Communication (restricted to ATLAS) - Full text

2023-03-03
21:56

A FPGA implementation of the Hough Transform tracking algorithm for the Phase II upgrade of ATLAS / Alfonsi, Fabrizio (Universita e INFN, Bologna (IT))
The LHC High Energy Physics world will face challenging trigger requests in the next decade. [...]
ATL-DAQ-PROC-2023-003. - 2023. - 5 p.
Original Communication (restricted to ATLAS) - Full text

2023-03-02
19:51

Optimizing the ATLAS Geant4 detector simulation software / ATLAS Collaboration
The ATLAS experiment at the LHC relies critically on simulated event samples produced by the full Geant4 detector simulation software FullSim. [...]
ATL-SOFT-PROC-2023-002. - 2023. - 6 p.
Original Communication (restricted to ATLAS) - Full text

2023-03-02
13:53

Search for high-mass resonances in photon plus missing transverse momentum signatures in $pp$ collisions at $\sqrt{s}$ = 13 TeV with the ATLAS detector
A search for high-mass resonances from heavy Higgs “H” bosons in photon plus missing transverse momentum signatures produced in proton-proton collisions at a center-of-mass energy of $\sqrt{s}=13$ TeV at the Large Hadron Collider (LHC) is presented. [...]
ATL-PHYS-PUB-2023-003. - 2023. - 18 p.
Original Communication (restricted to ATLAS) - Full text

2023-03-02
10:59

ATLAS searches for higgsinos with R-parity violating couplings in events with leptons / Ducu, Otilia Anamaria (Horia Hulubei National Institute of Physics and Nuclear Engineering (RO))
This document presents two searches for Supersymmetry through the direct production of pairs of higgsinos decaying into final states with leptons and ($b$-) jets. [...]
ATL-PHYS-PROC-2023-004. - 2023.
Original Communication (restricted to ATLAS) - Full text

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