ATLAS Notes

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2023-03-25
15:20

Preliminary analysis of the luminosity calibration of the ATLAS 13.6 TeV data recorded in 2022
This note presents figures and tables from the preliminary analysis of the ATLAS luminosity calibration for the data recorded in $pp$ collisions at $\sqrt{s}=13.6\,$TeV in 2022..
ATL-DAPR-PUB-2023-001. - 2023.
Original Communication (restricted to ATLAS) - Full text

2023-03-23
17:17

Observation of $W\gamma\gamma$ triboson production in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
This note reports the observation of $W(\ell\nu)\gamma\gamma$ production in proton-proton collisions. [...]
ATLAS-CONF-2023-005. - 2023. - 22 p.
Original Communication (restricted to ATLAS) - Full text

2023-03-23
07:36

Improved W boson Mass Measurement using 7 TeV Proton-Proton Collisions with the ATLAS Detector
The $W$ boson mass is one of the most interesting fundamental parameters of the Standard Model of particle physics, as it allows for model-independent probes for effects of new physics. [...]
ATLAS-CONF-2023-004. - 2023. - 20 p.
Original Communication (restricted to ATLAS) - Full text

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

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