Search for new phenomena in high-mass diphoton final states using 37 fb−1 of proton–proton collisions collected at √s=13 TeV with the ATLAS detector

, The ATLAS collaboration (2017) Search for new phenomena in high-mass diphoton final states using 37 fb−1 of proton–proton collisions collected at √s=13 TeV with the ATLAS detector. Physics Letters B, 775. pp. 105-125. ISSN 0370-2693

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Abstract

Searches for new phenomena in high-mass diphoton final states with the ATLAS experiment at the LHC are presented. The analysis is based on pp collision data corresponding to an integrated luminosity of 36.7 fb−1 at a centre-of-mass energy √s=13 TeV recorded in 2015 and 2016. Searches are performed for resonances with spin 0, as predicted by theories with an extended Higgs sector, and for resonances with spin 2, using a warped extra-dimension model as a benchmark model, as well as for non-resonant signals, assuming a large extra-dimension scenario. No significant deviation from the Standard Model is observed. Upper limits are placed on the production cross section times branching ratio to two photons as a function of the resonance mass. In addition, lower limits are set on the ultraviolet cutoff scale in the large extra-dimensions model.

Item Type:
Journal Article
Journal or Publication Title:
Physics Letters B
Additional Information:
© 2017 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3.
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/3100/3106
Subjects:
ID Code:
124010
Deposited By:
Deposited On:
12 Mar 2018 11:26
Refereed?:
Yes
Published?:
Published
Last Modified:
01 Dec 2020 05:31