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JOURNALS // Pis'ma v Zhurnal Èksperimental'noi i Teoreticheskoi Fiziki // Archive

Pis'ma v Zh. Èksper. Teoret. Fiz., 2005 Volume 82, Issue 10, Pages 710–713 (Mi jetpl1619)

This article is cited in 53 papers

FIELDS, PARTICLES, AND NUCLEI

Parton distribution functions from the precise NNLO QCD fit

S. I. Alekhin

Institute for High Energy Physics, 142281 Protvino, Moscow reg., Russia

Abstract: We report the parton distribution functions (PDFs) determined from the NNLO QCD analysis of the world inclusive DIS data with account of the precise NNLO QCD corrections to the evolution equations kernel. The value of strong coupling constant $\alpha^{\mathrm{NNLO}}_{\mathrm{s}}(M_{\mathrm{Z}})=0.1141\pm 0.0014(\mathrm{exp.})$, in fair agreement with one obtained using the earlier approximate NNLO kernel by van Neerven–Vogt. The intermediate bosons rates calculated in the NNLO using obtained PDFs are in agreement to the latest Run II results.

PACS: 06.20.Jr, 12.38.Bx, 13.60.Hb

Received: 06.10.2005

Language: English


 English version:
Journal of Experimental and Theoretical Physics Letters, 2005, 82:10, 628–631

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