Measurement of dσ/dy of Drell-Yan e+e− pairs in the Z mass region from pp̄ collisions at √s=1.96 TeV
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Aaltonen, Timo Antero; Álvarez González, Bárbara; Casal Laraña, Bruno; Cuevas Maestro, Francisco Javier; Gómez Gramuglio, Gervasio; Rodrigo Anoro, Teresa; Ruiz Jimeno, Alberto; Scodellaro, Luca; Vila Álvarez, Iván; Vilar Cortabitarte, RocíoFecha
2010Derechos
Atribución 3.0 España. © 2010 Elsevier B.V. All rights reserved
Publicado en
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 2010, 692(4), 232-239
Editorial
Elsevier
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Resumen/Abstract
We report on a CDF measurement of the total cross section and rapidity distribution, d?/dy, for ? ?/Z ? e+e? events in the Z boson mass region (66 < Mee < 116 GeV/c2) produced in pp¯ collisions at ?s = 1.96 TeV with 2.1 fb?1 of integrated luminosity. The measured cross section of 257 ± 16 pb and d?/dy distribution are compared with Next-to-Leading-Order (NLO) and Next-to-Next-to-Leading-Order (NNLO) QCD theory predictions with CTEQ and MRST/MSTW parton distribution functions (PDFs). There is good agreement between the experimental total cross section and d?/dy measurements with theoretical calculations with the most recent NNLO PDFs.
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