Search for quantum black hole production in lepton+jet final states using proton-proton collisions at s=13 TeV with the ATLAS detector

Long, Robin and Sanderswood, Izaac and Tee, Amy S. and Whitmore, Ben and Yexley, Melissa (2024) Search for quantum black hole production in lepton+jet final states using proton-proton collisions at s=13 TeV with the ATLAS detector. Physical Review D, 109 (3): 032010. ISSN 2470-0010

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Abstract

A search for quantum black holes in electron + jet and muon + jet invariant mass spectra is performed with 140     fb − 1 of data collected by the ATLAS detector in proton-proton collisions at √ s = 13     TeV at the Large Hadron Collider. The observed invariant mass spectrum of lepton + jet pairs is consistent with Standard Model expectations. Upper limits are set at 95% confidence level on the production cross section times branching fractions for quantum black holes decaying into a lepton and a quark in a search region with invariant mass above 2.0 TeV. The resulting quantum black hole lower mass threshold limit is 9.2 TeV in the Arkani-Hamed-Dimopoulos-Dvali model, and 6.8 TeV in the Randall-Sundrum model.

Item Type:
Journal Article
Journal or Publication Title:
Physical Review D
ID Code:
219038
Deposited By:
Deposited On:
30 Apr 2024 09:05
Refereed?:
Yes
Published?:
Published
Last Modified:
26 Sep 2024 11:26