Measurement of isolated-photon pair production in pp collisions at root s=7 TeV with the ATLAS detector

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F13%3A33144792" target="_blank" >RIV/61989592:15310/13:33144792 - isvavai.cz</a>
Result on the web
<a href="http://download.springer.com/static/pdf/53/art%253A10.1007%252FJHEP01%25282013%2529086.pdf?auth66=1385631444_02e2560568918d6d0addbfed75efd9f2&ext=.pdf" target="_blank" >http://download.springer.com/static/pdf/53/art%253A10.1007%252FJHEP01%25282013%2529086.pdf?auth66=1385631444_02e2560568918d6d0addbfed75efd9f2&ext=.pdf</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1007/JHEP01(2013)086" target="_blank" >10.1007/JHEP01(2013)086</a>

Result language
angličtina
Original language name
Measurement of isolated-photon pair production in pp collisions at root s=7 TeV with the ATLAS detector
Original language description
The ATLAS experiment at the LHC has measured the production cross section of events with two isolated photons in the final state, in proton-proton collisions at root s = 7 TeV. The full data set collected in 2011, corresponding to an integrated luminosity of 4.9 fb(-1), is used. The amount of background, from hadronic jets and isolated electrons, is estimated with data-driven techniques and subtracted. The total cross section, for two isolated photons with transverse energies above 25 GeV and 22 GeV respectively, in the acceptance of the electromagnetic calorimeter (vertical bar eta vertical bar { 1.37 and 1.52 { vertical bar eta vertical bar 2.37) and with an angular separation Delta R } 0.4, is 44.0(-4.2)(+3.2) pb. The differential cross sections asa function of the di-photon invariant mass, transverse momentum, azimuthal separation, and cosine of the polar angle of the largest transverse energy photon in the Collins-Soper di-photon rest frame are also measured. The results are comp
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)

Publication year
2013
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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