F_2 Structure Function and Higher-twist Contributons (Nonsinglet Case)

Details F_2 Structure Function and Higher-twist Contributons (Nonsinglet Case) F_2 Structure Function and Higher-twist Contributons (Nonsinglet Case)

1998-05-18

arxiv.org/abs/hep-ph/9805353v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, latex. Talk presented at the DIS98 workshop, Brussels, April 1998

Scientific paper

We performed the combine fits of SLAC, BCDMS and NMC data at NLO level. The
data are fitted very well with different parametrizations of higher twist
contributions. The theory-based parametrizations lead to the low values of QCD
parameter \Lambda^{f=4}_{\overfull{MS}} \sim 140 \pm 21 MeV (or
\alpha_s(M^2_Z)= 0.103 \pm 0.002).

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