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

G. Aad, T.P.A. Åkesson, Simona Bocchetta, E.E. Corrigan, C. Doglioni, J. Geisen, Kristian Gregersen, E. Hansen, V. Hedberg, G. Jarlskog, Edgar Kellermann, B. Konya, E. Lytken, K.H. Mankinen, C. Marcon, J.U. Mjörnmark, G.A. Mullier, R. Poettgen, Trine Poulsen, E. SkordaO. Smirnova, L. Zwalinski, ATLAS Collaboration

Research output: Contribution to journalArticlepeer-review

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. © 2024 CERN, for the ATLAS Collaboration.
Original languageEnglish
Article number032010
JournalPhysical Review D
Volume109
Issue number3
DOIs
Publication statusPublished - 2024

Subject classification (UKÄ)

  • Subatomic Physics

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