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Measurement of the isolated prompt photons production cross section in pp collisions at vs=7TeV

Abstract: The differential cross section for the inclusive production of isolated prompt photons has been measured as a function of the photon transverse energy ET in pp collisions at ffiffis p ¼ 7 TeV using data recorded by the CMS detector at the LHC. The data sample corresponds to an integrated luminosity of 2:9 pb1. Photons are required to have a pseudorapidity jj < 1:45 and ET > 21 GeV, covering the kinematic region 0:006 < xT < 0:086. The measured cross section is found to be in agreement with nextto-leading-order perturbative QCD calculations.

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Authorship: Khachatryan V., Sirunyan A.M., Tumasyan A., Adam W., Bergauer T., Dragicevic M., Erö J., Fabjan C., Friedl M., Frühwirth R., Ghete V.M., Hammer J., Hänsel S., Hartl C., Hoch M., Hörmann N., Hrubec J., Jeitler M., Kasieczka G., Kiesenhofer W., Krammer M., Liko D., Mikulec I., Pernicka M., Rohringer H., Schöfbeck R., Strauss J., Taurok A., Teischinger F., Waltenberger W., Walzel G., Widl E., Wulz C.E., Mossolov V., Shumeiko N.,

Fuente: Physical Review Letters, 2011, 106(8), 082001

Publisher: American Physical Society

Publication date: 01/02/2011

No. of pages: 15

Publication type: Article

DOI: 10.1103/PhysRevLett.106.082001

ISSN: 0031-9007,1079-7114

Publication Url: https://doi.org/10.1103/PhysRevLett.106.082001

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