Search for resonances in diphoton events at root s=13TeV with the ATLAS detector

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F16%3A10335429" target="_blank" >RIV/00216208:11320/16:10335429 - isvavai.cz</a>
Alternative codes found
RIV/68407700:21220/16:00306146 RIV/68407700:21340/16:00306146 RIV/68407700:21670/16:00306146 RIV/61989592:15310/16:33161455
Result on the web
<a href="http://dx.doi.org/10.1007/JHEP09(2016)001" target="_blank" >http://dx.doi.org/10.1007/JHEP09(2016)001</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/JHEP09(2016)001" target="_blank" >10.1007/JHEP09(2016)001</a>

Result language
angličtina
Original language name
Search for resonances in diphoton events at root s=13TeV with the ATLAS detector
Original language description
Searches for new resonances decaying into two photons in the ATLAS experiment at the CERN Large Hadron Collider are described. The analysis is based on protonproton collision data corresponding to an integrated luminosity of 3.2 fb(-1) at root s = 13TeV recorded in 2015. Two searches are performed, one targeted at a spin-2 particle of mass larger than 500 GeV, using Randall-Sundrum graviton states as a benchmark model, and one optimized for a spin-0 particle of mass larger than 200 GeV. Varying both the mass and the decay width, the most significant deviation from the background-only hypothesis is observed at a diphoton invariant mass around 750 GeV with local significances of 3.8 and 3.9 standard deviations in the searches optimized for a spin-2 and spin-0 particle, respectively. The global significances are estimated to be 2.1 standard deviations for both analyses. The consistency between the data collected at 13TeV and 8TeV is also evaluated. Limits on the production cross section times branching ratio to two photons for the two resonance types are reported.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BF - Elementary particle theory and high energy physics
OECD FORD branch
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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