ATLAS, Collaboration; Agustoni, Marco; Ancu, Lucian; Battaglia, Andreas; Beck, Hans Peter; Borer, Claudia; Ereditato, Antonio; Gallo, Valentina; Haug, Sigve; Kabana, Sonja; Kruker, Tobias; Marti, Lukas; Pretzl, Klaus-Peter; Schneider, Basil; Sciacca, Gianfranco; Weber, Michael (2013). Search for supersymmetry in events with photons, bottom quarks, and missing transverse momentum in proton-proton collisions at a centre-of-mass energy of 7 TeV with the ATLAS detector. Physics letters. B, 719(4-5), pp. 261-279. Elsevier 10.1016/j.physletb.2013.01.041
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A search has been performed for the experimental signature of an isolated photon with high transverse momentum, at least one jet identified as originating from a bottom quark, and high missing transverse momentum. Such a final state may originate from supersymmetric models with gauge-mediated supersymmetry breaking in events in which one of a pair of higgsino-like neutralinos decays into a photon and a gravitino while the other decays into a Higgs boson and a gravitino. The search is performed using the full dataset of 7 TeV proton-proton collisions recorded with the ATLAS detector at the LHC in 2011, corresponding to an integrated luminosity of 4.7 fb(-1). A total of 7 candidate events are observed while 7.5 +/- 2.2 events are expected from the Standard Model background. The results of the search are interpreted in the context of general gauge mediation to exclude certain regions of a benchmark plane for higgsino-like neutralino production.
Item Type: |
Journal Article (Original Article) |
|---|---|
Division/Institute: |
08 Faculty of Science > Physics Institute > Laboratory for High Energy Physics (LHEP) 10 Strategic Research Centers > Albert Einstein Center for Fundamental Physics (AEC) |
UniBE Contributor: |
Agustoni, Marco, Ancu, Lucian, Battaglia, Andreas, Beck, Hans Peter, Borer, Claudia, Ereditato, Antonio, Gallo, Valentina, Haug, Sigve, Kruker, Tobias, Marti, Lukas, Pretzl, Klaus-Peter, Schneider, Basil, Sciacca, Gianfranco, Weber, Michele |
Subjects: |
500 Science > 530 Physics |
ISSN: |
0370-2693 |
Publisher: |
Elsevier |
Language: |
English |
Submitter: |
Andrea Stettler |
Date Deposited: |
23 Sep 2014 11:34 |
Last Modified: |
05 Dec 2022 14:36 |
Publisher DOI: |
10.1016/j.physletb.2013.01.041 |
Web of Science ID: |
000315316900006 |
ArXiv ID: |
1211.1167v2 |
Additional Information: |
Kollaboration - Es sind nur die Berner Autoren namentlich erwähnt. |
BORIS DOI: |
10.7892/boris.58403 |
URI: |
https://boris.unibe.ch/id/eprint/58403 |
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