N**3LO fits to xF(3) data: Alpha(s) vs 1 / Q(2) contributions - INSPIRE

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N**3LO fits to xF(3) data: Alpha(s) vs 1 / Q(2) contributions

A.L. Kataev
(
- Moscow, INR
)
,
G. Parente
(
- Santiago de Compostela U.
)
,
A.V. Sidorov
(
- Dubna, JINR
)

Nov, 2002

5 pages

Part of Application of quantum field theory to phenomenology. Loops and legs in quantum field theory. Proceedings, 6th International Symposium, RADCOR 2002, and 6th Zeuthen Workshop, Staffelstein, Germany, September 8-13, 2002, 105-109

Published in:

Nucl.Phys.B Proc.Suppl. 116 (2003) 105-109

Contribution to:

- RADCOR 2002
, 105-109

e-Print:

hep-ph/0211151 [hep-ph]

DOI:

10.1016/S0920-5632(03)80152-4

View in:

ADS Abstract Service

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Abstract:

The results of approximate N^3LO and detailed NNLO fits to

xF_3

data of the CCFR'97 collaboration are presented. We demonstrate that

1/Q^2

non-perturbative corrections to

xF_3

modeled by three independent procedures are shadowed by perturbative QCD effects, starting at the NNLO. Special attention is paid to revealing the role of the recently calculated NNLO corrections to the anomalous dimensions and

N^3

LO corrections to the coefficient functions of odd moments of

xF_3

with

n\leq 13

. The related values of

\alpha_s(M_Z)

are extracted.

Note:

5 pages, 1 figure, LaTeX: Contributed to the Proceedings of joint 6th Symposium RADCOR 2002 and 6th Zeuthen Workshop Loops and Legs in Quantum Field Theory, September 8-13, Kloster Banz, Germany: size of postscript figure fixed

talk: Kloster Banz 2002/09/08
neutrino nucleon: deep inelastic scattering
nucleon: structure function
structure function: moment
quantum chromodynamics
perturbation theory: higher-order
correction: nonperturbative
strong interaction: coupling constant
numerical calculations: interpretation of experiments

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