Strong coupling constant at NNLO from DIS data

Details Strong coupling constant at NNLO from DIS data Strong coupling constant at NNLO from DIS data

2011-04-19

arxiv.org/abs/1104.3893v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 2 figures, PoS(QFTHEP2010)050, presented on the XIXth International Workshop on High Energy Physics and Quantum Field

Scientific paper

We discuss the results of our recent analysis [1] of deep inelastic scattering data on F2 structure function in the non-singlet approximation with next-to-next-to-leading-order accuracy. The study of high statistics deep inelastic scattering data provided by BCDMS, SLAC, NMC and BFP collaborations was performed with a special emphasis placed on the higher twist contributions. For the coupling constant the following value alfa_s(MZ2) = 0.1167 +- 0.0022 (total exp. error) was found.

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