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Título : Measurement of d sigma/dy of Drell-Yan e(+)e(-) pairs in the Z mass region from p(p)over-bar collisions at root s=1.96 TeV
Autor : Aaltonen, T., 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
Fecha de publicación : 6-Sep-2010
Editor: Elsevier
Citación : Physics Letters - Section B 692 (4): 232-239 (2010)
Resumen: We report on a CDF measurement of the total cross section and rapidity distribution, d sigma/dy, for gamma*/Z -> e(+)e(-) events in the Z boson mass region (66 < M(ee) < 116 GeV/c(2)) produced in p (p) over bar collisions at root s = 1.96 TeV with 2.1 fb(-1) of integrated luminosity. The measured cross section of 257 +/- 16 pb and d sigma/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 sigma/dy measurements with theoretical calculations with the most recent NNLO PDFs.
Descripción : 8 páginas10 figuras, 3 tablas.-- El Pdf del artículo es la versión pre-print: 0908.3914v4.-- CDF Collaboration: et al.
Versión del editor: http://dx.doi.org/10.1016/j.physletb.2010.06.043
URI : http://hdl.handle.net/10261/42629
ISSN: 0370-2693
DOI: 10.1016/j.physletb.2010.06.043
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