Determination of alpha_s from F_2^p at HERA

Details Determination of alpha_s from F_2^p at HERA Determination of alpha_s from F_2^p at HERA

1995-06-04

arxiv.org/abs/hep-ph/9506233v2

Phys.Lett. B358 (1995) 365-378

Physics

High Energy Physics

High Energy Physics - Phenomenology

24 pages, TeX with harvmac and epsf, 10 figures in compressed postscript. Final (published) version

Scientific paper

10.1016/0370-2693(95)01012-F

We compute the proton structure function F_2^p at small x and large Q^2 at next-to-leading order in alpha_s(Q^2), including summations of all leading and subleading logarithms of Q^2 and 1/x in a way consistent with momentum conservation. We perform a detailed comparison to the 1993 HERA data, and show that they may be used to determine alpha_s(M_Z^2)=0.120 pm 0.005(exp) pm 0.009(th). The theoretical error is dominated by the renormalization and factorization scheme ambiguities.

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