Search for new phenomena with photon+jet events in proton-proton collisions at √s=13 TeV with the ATLAS detector

doi:10.1007/JHEP03(2016)041

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Search for new phenomena with photon+jet events in proton-proton collisions at √s=13 TeV with the ATLAS detector	1 MB	Adobe Acrobat PDF	View Details	Download
DOI Доступ к ресурсу на сайте издателя				10.1007/JHEP03(2016)041

Title: Search for new phenomena with photon+jet events in proton-proton collisions at √s=13 TeV with the ATLAS detector
Creator: Aad, G.
Creator: Abdallah, J.
Creator: Chelkov, G. A.
Creator: Abbott, B.
Subject: ATLAS, детектор
Большой адронный коллайдер
столкновение частиц
протоны
фотоны
Date: 2016
DOI: 10.1007/JHEP03(2016)041
Description: A search is performed for the production of high-mass resonances decaying into a photon and a jet in 3.2 fb−1 of proton-proton collisions at a centre-of-mass energy of s√=13 TeV collected by the ATLAS detector at the Large Hadron Collider. Selected events have an isolated photon and a jet, each with transverse momentum above 150 GeV. No significant deviation of the γ+jet invariant mass distribution from the background-only hypothesis is found. Limits are set at 95% confidence level on the cross sections of generic Gaussian-shaped signals and of a few benchmark phenomena beyond the Standard Model: excited quarks with vector-like couplings to the Standard Model particles, and non-thermal quantum black holes in two models of extra spatial dimensions. The minimum excluded visible cross sections for Gaussian-shaped resonances with width-to-mass ratios of 2% decrease from about 6 fb for a mass of 1.5 TeV to about 0.8 fb for a mass of 5 TeV. The minimum excluded visible cross sections for Gaussian-shaped resonances with width-to-mass ratios of 15% decrease from about 50 fb for a mass of 1.5 TeV to about 1.0 fb for a mass of 5 TeV. Excited quarks are excluded below masses of 4.4 TeV, and non-thermal quantum black holes are excluded below masses of 3.8 (6.2) TeV for Randall-Sundrum (Arkani-Hamed-Dimopoulous-Dvali) models with one (six) extra dimensions.

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collection(s): Радиофизический факультет
Identifier: vtls:000551364
http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000551364
Type: статьи в журналах
Source: Journal of high energy physics. 2016. № 3. P. 041 (1-36)
Language: eng

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Радиофизический факультет Search for new phenomena with photon+jet events in proton-proton collisions at √s=13 TeV with the ATLAS detector