Search for production of resonant states in the photon-jet mass distribution using pp collisions at ís=7 TeV collected by the ATLAS detector.

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Show simple item record Aad, G Abbott, B Abdallah, J Abdelalim, A A Abdesselam, A Abdinov, O Abi, B Abolins, M Abramowicz, H Abreu, H Acerbi, E Acharya, B S Adamczyk, L Adams, D L Addy, T N Adelman, J Aderholz, M Adomeit, S Adragna, P Adye, T Aefsky, S Aguilar-Saavedra, J A Aharrouche, M Ahlen, S P Ahles, F Ahmad, A Ahsan, M Aielli, G Akdogan, T Akesson, T P A Akimoto, G Akimov, A V Akiyama, A Alam, M S Alam, M A Albert, J Albrand, S Aleksa, M Aleksandrov, I N Alessandria, F Alexa, C Alexander, G Alexandre, G Alexopoulos, T Alhroob, M Aliev, M Alimonti, G Alison, J Aliyev, M Allport, P P Allwood-Spiers, S E Almond, J Aloisio, A Alon, R Alonso, A Alvarez Gonzalez, B Alviggi, M G Amako, K Amaral, P Amelung, C Ammosov, V V Amorim, A Amor s, G Amram, N Anastopoulos, C Ancu, L S Andari, N Andeen, T Anders, C F Anders, G Anderson, K J Andreazza, A Andrei, V Andrieux, M-L Anduaga, X S Angerami, A Anghinolfi, F Anisenkov, A Anjos, N Annovi, A Antonaki, A Antonelli, M Antonov, A Antos, J Anulli, F Aoun, S Aperio Bella, L Apolle, R Arabidze, G Aracena, I Arai, Y Arce, A T H Archambault, J P Arfaoui, S Arguin, J-F Arik, E Arik, M Armbruster, A J Arnaez, O Arnault, C 2019-01-17T19:55:24Z 2019-01-17T19:55:24Z 2012
dc.identifier.citation Phys. Rev. Lett. 108, 211802
dc.identifier.issn 1079-7114
dc.description.abstract This Letter describes a model-independent search for the production of new resonant states in photon+jet events in 2.11 fb(-1) of proton-proton collisions at ís=7 TeV. We compare the photon+jet mass distribution to a background model derived from data and find consistency with the background-only hypothesis. Given the lack of evidence for a signal, we set 95% credibility level limits on generic Gaussian-shaped signals and on a benchmark excited-quark (q*) model, excluding 2 TeV Gaussian resonances with cross section times branching fraction times acceptance times efficiency near 5 fb and excluding q* masses below 2.46 TeV, respectively.
dc.format.extent 1 file
dc.language English
dc.language.iso eng
dc.publisher American Physical Society
dc.rights Creative Commons Attribution 3.0 Unported
dc.subject narrow resonance: search for
dc.subject quark: excited state
dc.subject p p: scattering
dc.subject mass spectrum: (jet photon)
dc.subject ATLAS
dc.subject excited state: radiative decay
dc.subject channel cross section: branching ratio: upper limit
dc.subject acceptance
dc.subject efficiency
dc.subject experimental results
dc.subject CERN LHC Coll
dc.subject 7000 GeV-cms
dc.subject Settore FIS/01 - Fisica Sperimentale
dc.subject Settore FIS/04 - Fisica Nucleare e Subnucleare
dc.title Search for production of resonant states in the photon-jet mass distribution using pp collisions at ís=7 TeV collected by the ATLAS detector.
dc.type Article
dc.contributor.department Department of Physics
dc.relation.journal Physical Review Letters
dc.description.esploro yes

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