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Title

Measurement of the inclusive isolated prompt photon cross section in pp collisions at s=1.96 TeV using the CDF detector

AuthorsCDF Collaboration; Cabrera, Susana ; Cuenca Almenar, Cristóbal ; Álvarez González, B.; Casal, Bruno ; Cuevas, Javier ; Gómez, G. ; Rodrigo, Teresa ; Ruiz Jimeno, Alberto ; Scodellaro, Luca ; Vila, Iván ; Vilar, Rocío ; Aaltonen, T.
Issue Date21-Dec-2009
PublisherAmerican Physical Society
CitationPhysical Review - Section D - Particles and Fields 80 (11): 111106 (2009)
AbstractA measurement of the cross section for the inclusive production of isolated photons by the CDF experiment at the Fermilab Tevatron collider is presented. The measurement covers the pseudorapidity region |eta(gamma)|< 1.0 and the transverse energy range E-T(gamma)> 30 GeV and is based on 2.5 fb(-1) of integrated luminosity. The sample is almost a factor of 7 larger than those used for recent published results and extends the E-T(gamma) coverage by 100 GeV. The result agrees with next-to-leading order perturbative QCD calculations within uncertainties over the range 50 < E-T(gamma)< 400 GeV, though the energy spectrum in the data shows a steeper slope at lower E-T(gamma).
Publisher version (URL)http://dx.doi.org/ 10.1103/PhysRevD.80.111106
URIhttp://hdl.handle.net/10261/22306
DOI10.1103/PhysRevD.80.111106
ISSN1550-7998
Appears in Collections:(IFIC) Artículos
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