Search for a new pseudoscalar decaying into a pair of muons in events with a top-quark pair at √s=13 TeV with the ATLAS detector : = Search for a new pseudoscalar decaying into a pair of muons in events with a top-quark pair at [square root]s=13 TeV with the ATLAS detector

Abstract: A search for a new pseudoscalar -boson produced in events with a top-quark pair, where the -boson decays into a pair of muons, is performed using √ =13  TeV ⁢ collision data collected with the ATLAS detector at the LHC, corresponding to an integrated luminosity of 139  fb−1. The search targets the final state where only one top quark decays to an electron or muon, resulting in a signature with three leptons ⁢ ⁢ and ⁢ ⁢ . No significant excess of events above the Standard Model expectation is observed and upper limits are set on two signal models: ⁢ → ⁢¯ ⁢ and ⁢ → ⁢¯ with → ±⁢ , ±→ ±⁢ , where → ⁢ , in the mass ranges 15  GeV< <72  GeV and 120  GeV≤ ±≤160  GeV

Object Details

• Alternative title: Search for a new pseudoscalar decaying into a pair of muons in events with a top-quark pair at [square root]s=13 TeV with the ATLAS detector
• Location: Deutsche Nationalbibliothek Frankfurt am Main
• Extent: Online-Ressource
• Language: Englisch
• Notes: Physical review. - 108, 9 (2023) , 092007, ISSN: 2470-0029

Contributors, Places and Time

• Event: Veröffentlichung
• (where): Freiburg
• (who): Universität
• (when): 2024
• Creator: ATLAS Collaboration CERN, [Study Group] ; Argyropoulos, Spyridon ; Becherer, Fabian ; Böhler, Michael ; Burlayenko, Oleksandr ; Diehl, Leena ; Froch, Alexander ; Gurdasani, Simran Sunil ; Heidegger, Constantin ; Heidegger, Kim K. ; Herten, Gregor ; Jain, Prasham ; Jakobs, Karl ; Jenni, Peter ; Kalaitzidou, Ilia ; Karentzos, Efstathios ; Knue, Andrea ; Köneke, Karsten ; Küsters, Roman ; Kuprash, Oleg ; Landgraf, Ulrich ; Lang, Valerie ; Moskalets, Tetiana ; Öncel, Ömer Ogul ; Parzefall, Ulrich ; Plesanovs, Vladislavs ; Pretel, Jose ; Rafanoharana, Dimbiniaina ; Rodríguez Rodríguez, Arturo ; Rossini, Lorenzo ; Rottler, Benjamin ; Rúriková, Zuzana ; Sammel, Dirk ; Sauerburger, Frank ; Schleicher, Katharina E. ; Scholer, Patrick ; Schumacher, Markus ; Solovieva, Ksenia ; Sperlich, Dennis ; Weiser, Christian ; Winter, Benedict T. ; Zanzi, Daniele ; et al
• Contributor: Experimentelle Teilchenphysik

Further information

• DOI: 10.1103/physrevd.108.092007
• URN: urn:nbn:de:bsz:25-freidok-2544523
• Rights: Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
• Last update: 25.03.2025, 1:47 PM CET