Update of the NNLO PDFs in the 3-, 4-, and 5-flavour scheme

Abstract

We report on an update of the next-to-next-to-leading order (NNLO) ABKM09 parton distributions functions. They are obtained with the use of the combined HERA collider Run I inclusive deep-inelastic scattering (DIS) data and the partial NNLO corrections to the heavy quark electro-production taken into account. The value of the strong couplig constant ${\alpha }_{\mathrm{s}}^{\mathrm{NNLO}}(M_{\mathrm{Z}})=0.1147(12)$ is obtained. The standard candle cross sections for the Tevatron collider and the LHC estimated with the updated PDFs are provided.

arXiv commentTo appear in the proceedings of 18th International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS 2010), Firenze, Italy, 19-23 Apr 2010

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