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Search for scalar diphoton resonances in the mass range 65-600 GeV with the ATLAS detector in pp collision data at √s = 8 TeV

A search for scalar particles decaying via narrow resonances into two photons in the mass range 65-600 GeV is performed using 20.3 fb−1 of √s=8 TeV pp collision data collected with the ATLAS detector at the Large Hadron Collider. The recently discovered Higgs boson is treated as a background. No sig...

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Main Authors: Aad, Georges (Author) , Anders, Christoph (Author) , Andrei, George Victor (Author) , Baas, Alessandra Edda (Author) , Brandt, Oleg (Author) , Colombo, Tommaso (Author) , Davygora, Yuriy (Author) , Dietzsch, Thorsten (Author) , Dunford, Monica (Author) , Giulini, Maddalena (Author) , Hanke, Paul (Author) , Jongmanns, Jan (Author) , Kasieczka, Gregor (Author) , Khomich, Andrei (Author) , Kluge, Eike-Erik (Author) , Kretz, Moritz (Author) , Kugel, Andreas (Author) , Laier, Heiko (Author) , Lang, Valerie (Author) , Meier, Karlheinz (Author) , Müller, Felix (Author) , Narayan, Rohin T. (Author) , Poddar, Sahill (Author) , Schätzel, Sebastian (Author) , Scharf, Veit (Author) , Schmitt, Sebastian (Author) , Schöning, André (Author) , Schultz-Coulon, Hans-Christian (Author) , Stamen, Rainer (Author) , Wessels, Martin (Author)
Corporate Author: ATLAS Collaboration (Author)
Other Authors: Djuvsland, Julia Isabell (Other)
Format: Article (Journal)
Language:English
Published: 20 October 2014
In: Physical review letters
Year: 2014, Volume: 113, Issue: 17
ISSN:1079-7114
DOI:10.1103/PhysRevLett.113.171801
Online Access:Resolving-System, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.113.171801
Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.113.171801
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Author Notes:G. Aad et al. (ATLAS Collaboration)
Description
Summary:A search for scalar particles decaying via narrow resonances into two photons in the mass range 65-600 GeV is performed using 20.3 fb−1 of √s=8 TeV pp collision data collected with the ATLAS detector at the Large Hadron Collider. The recently discovered Higgs boson is treated as a background. No significant evidence for an additional signal is observed. The results are presented as limits at the 95% confidence level on the production cross section of a scalar boson times branching ratio into two photons, in a fiducial volume where the reconstruction efficiency is approximately independent of the event topology. The upper limits set extend over a considerably wider mass range than previous searches.
Item Description:ATLAS Collaboration: G. Aad, B. Abbott, J. Abdallah, S. Abdel Khalek, O. Abdinov, R. Aben, B. Abi, M. Abolins, O. S. AbouZeid, H. Abramowicz [und 2879 weitere]
Gesehen am 07.10.2020
Physical Description:Online Resource
ISSN:1079-7114
DOI:10.1103/PhysRevLett.113.171801

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