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Measurement of ds/dy of Drell-Yan e⁺e^- pairs in the Z mass region from pp¯ collisions at vs=1.96 TeV

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.

Authorship: Aaltonen T., Adelman J., Álvarez González B., Amerio S., Amidei D., Anastassov A., Annovi A., Antos J., Apollinari G., Appel J., Apresyan A., Arisawa T., Artikov A., Asaadi J., Ashmanskas W., Attal A., Aurisano A., Azfar F., Badgett W., Barbaro-Galtieri A., Barnes V.E., Barnett B.A., Barria P., Bartos P., Bauer G., Beauchemin P.H., Bedeschi F., Beecher D., Behari S., Bellettini G., Bellinger J., Benjamin D., Beretvas A., Bhatti A.

Fuente: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 2010, 692(4), 232-239

Publisher: Elsevier

Year of publication: 2010

No. of pages: 8

Publication type: Article

DOI: 10.1016/j.physletb.2010.06.043

ISSN: 0370-2693,1873-2445

Publication Url: https://doi.org/10.1016/j.physletb.2010.06.043

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