Measurement of the differential and double-differential Drell-Yan cross sections in proton-proton collisions at √s = 7 TeV
Entidad
UAM. Departamento de Física TeóricaEditor
Springer Verlag; SISSA 2013Fecha de edición
2013-12-04Cita
10.1007/JHEP12(2013)030
Journal of High Energy Physics 2013.12 (2013): 030
ISSN
1126-6708 (print); 1029-8479 (online)DOI
10.1007/JHEP12(2013)030Versión del editor
http://dx.doi.org/10.1007/JHEP12(2013)030Materias
Hadron-hadron scattering; FísicaNota
Artículo escrito por un elevado número de autores, solo se referencian el que aparece en primer lugar, el nombre del grupo de colaboración, si le hubiere, y los autores pertenecientes a la UAMJournal of High Energy Physics 2013.12 (2013): 030 reproduced by permission of Scuola Internazionale Superiore di Studi Avanzati (SISSA)
Derechos
© SISSA 2013Resumen
Measurements of the differential and double-differential Drell-Yan cross sections are presented using an integrated luminosity of 4.5 (4.8) fb−1 in the dimuon (dielectron) channel of proton-proton collision data recorded with the CMS detector at the LHC at √s = 7 TeV. The measured inclusive cross section in the Z-peak region (60–120 GeV) is σ(``) = 986.4 ± 0.6 (stat.) ± 5.9 (exp. syst.) ± 21.7 (th. syst.) ± 21.7 (lum.) pb for the combination of the dimuon and dielectron channels. Differential cross sections dσ/dm for the dimuon, dielectron, and combined channels are measured in the mass range 15 to 1500 GeV and corrected to the full phase space. Results are also presented for the measurement of the double-differential cross section d2σ/dm d|y| in the dimuon channel over the mass range 20 to 1500 GeV and absolute dimuon rapidity from 0 to 2.4. These measurements are compared to the predictions of perturbative QCD calculations at next-to-leading
and next-to-next-to-leading orders using various sets of parton distribution functions
Lista de ficheros
Google Scholar:The CMS collaboration
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Chatrchyan, S.
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Albajar Molera, Carmen
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Fernández Trocóniz Acha, Jorge
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