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

The ATLAS Collaboration  ,  Hara, K.  ,  Kim, S.H.  ,  Okawa, H.  ,  Sato, K.  ,  Ukegawa, F.

775pp.105 - 125 , 2017-12 , Elsevier
ISSN:0370-2693
NII書誌ID(NCID):AA00774026
内容記述
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=13TeV 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.
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