Search for diphoton resonances in the 66 to 110 GeV mass range using pp collisions at $$ \sqrt{s} $$ = 13 TeV with the ATLAS detector
Invariant mass
Branching fraction
Atlas detector
ATLAS experiment
DOI:
10.1007/jhep01(2025)053
Publication Date:
2025-01-14T10:24:19Z
AUTHORS (2925)
ABSTRACT
A bstract search is performed for light, spin-0 bosons decaying into two photons in the 66 to 110 GeV mass range, using 140 fb − 1 of proton-proton collisions at $$ \sqrt{s} <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:msqrt> <mml:mi>s</mml:mi> </mml:msqrt> </mml:math> = 13 TeV produced by Large Hadron Collider and collected ATLAS detector. Multivariate analysis techniques are used define event categories that improve sensitivity new resonances beyond Standard Model. model-independent a generic particle model-dependent an additional low-mass Higgs boson diphoton invariant spectrum. No significant excess observed either search. Mass-dependent upper limits 95% confidence level set scenario on fiducial cross-section times branching ratio range 8 53 fb. Similarly, total as function 19 102
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