Measurement of the triple-differential cross section for photon + jets production in proton-proton collisions at √s = 7 TeV

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URI: http://hdl.handle.net/10902/13978
ISSN: 1126-6708
ISSN: 1029-8479
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Autoría
Chatrchyan, Serguei; Brochero Cifuentes, Javier AndrésAutoridad Unican; Cabrillo Bartolomé, José IbanAutoridad Unican; Calderón Tazón, AliciaAutoridad Unican; Chuang, S. H.; Duarte Campderros, JorgeAutoridad Unican; Fernández García, MarcosAutoridad Unican; Gómez Gramuglio, GervasioAutoridad Unican; González Sánchez, Francisco JavierAutoridad Unican; Graziano, Alberto; Jordá Lope, Clara; López Virto, María Amparo; Marco de Lucas, JesúsAutoridad Unican; Marco de Lucas, Rafael José; Martínez Rivero, Celso; Matorras Weinig, FranciscoAutoridad Unican; Muñoz Sánchez, Francisca Javiela; Rodrigo Anoro, TeresaAutoridad Unican; Rodríguez Marrero, Ana Yaiza; [et al.]
Fecha
2014-06
Derechos
Attribution 4.0 International España © CERN for the benefit of the CMS collaboration
Publicado en
Journal of High Energy Physics, Vol. 2014, Num. 6, Art. Num. 9
Editorial
Springer Verlag
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Resumen/Abstract
A measurement of the triple-differential cross section, d3σ/(dpγTdηγdηjet)d3σ/(dpTγdηγdηjet), in photon + jets final states using a data sample from proton-proton collisions at √s = 7 TeV is presented. This sample corresponds to an integrated luminosity of 2.14 fb−1 collected by the CMS detector at the LHC. Photons and jets are reconstructed within a pseudorapidity range of |η| < 2.5, and are required to have transverse momenta in the range 40 < pjetTpTjet < 300 GeV and pjetTpTjet > 30 GeV, respectively. The measurements are compared to theoretical predictions from the sherpa leading-order QCD Monte Carlo event generator and the next-to-leading-order perturbative QCD calculation from jetphox. The predictions are found to be consistent with the data over most of the examined kinematic region.
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