Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/99937
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dc.contributor.author | Aad, G. | - |
dc.contributor.author | Abbott, B. | - |
dc.contributor.author | Abdallah, J. | - |
dc.contributor.author | Abdinov, O. | - |
dc.contributor.author | Aben, R. | - |
dc.contributor.author | Abolins, M. | - |
dc.contributor.author | AbouZeid, O. | - |
dc.contributor.author | Abramowicz, H. | - |
dc.contributor.author | Abreu, H. | - |
dc.contributor.author | Abreu, R. | - |
dc.contributor.author | Abulaiti, Y. | - |
dc.contributor.author | Acharya, B. | - |
dc.contributor.author | Adamczyk, L. | - |
dc.contributor.author | Adams, D. | - |
dc.contributor.author | Adelman, J. | - |
dc.contributor.author | Adomeit, S. | - |
dc.contributor.author | Adye, T. | - |
dc.contributor.author | Affolder, A. | - |
dc.contributor.author | Agatonovic-Jovin, T. | - |
dc.contributor.author | Agricola, J. | - |
dc.contributor.author | et al. | - |
dc.date.issued | 2016 | - |
dc.identifier.citation | European Physical Journal C: Particles and Fields, 2016; 76(4):210-1-210-26 | - |
dc.identifier.issn | 1434-6044 | - |
dc.identifier.issn | 1434-6052 | - |
dc.identifier.uri | http://hdl.handle.net/2440/99937 | - |
dc.description.abstract | Results of a search for new phenomena in events with at least three photons are reported. Data from proton–proton collisions at a centre-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 20.3 fb−1, were collected with the ATLAS detector at the LHC. The observed data are well described by the Standard Model. Limits at the 95 % confidence level on new phenomena are presented based on the rate of events in an inclusive signal region and a restricted signal region targeting the rare decay Z→3γ, as well as di-photon and tri-photon resonance searches. For a Standard Model Higgs boson decaying to four photons via a pair of intermediate pseudoscalar particles (a), limits are found to be σ× BR (h→aa)× BR (a→γγ)2<10−3σSM for 10 GeV <ma< 62 GeV. Limits are also presented for Higgs boson-like scalars (H) for mH> 125 GeV, and for a Z′ decaying to three photons via Z′→a+γ→3γ. Additionally, the observed limit on the branching ratio of the Z boson decay to three photons is found to be BR(Z→3γ)<2.2×10−6, a result five times stronger than the previous result from LEP. | - |
dc.description.statementofresponsibility | G. Aad … P. Jackson … L. Lee ... A. Petridis... N. Soni … M. J. White … et al. (ATLAS collaboration) | - |
dc.language.iso | en | - |
dc.publisher | Springer-Verlag | - |
dc.rights | © CERN for the benefit of the ATLAS collaboration 2016. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. | - |
dc.source.uri | http://dx.doi.org/10.1140/epjc/s10052-016-4034-8 | - |
dc.subject | ATLAS Collaboration | - |
dc.title | Search for new phenomena in events with at least three photons collected in pp collisions at √s = 8 TeV with the ATLAS detector | - |
dc.title.alternative | Search for new phenomena in events with at least three photons collected in pp collisions at root s = 8 TeV with the ATLAS detector | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1140/epjc/s10052-016-4034-8 | - |
pubs.publication-status | Published | - |
Appears in Collections: | Aurora harvest 3 Physics publications |
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File | Description | Size | Format | |
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hdl_99937.pdf | Published version | 1.6 MB | Adobe PDF | View/Open |
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