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Paper IPM / Particles / 11742 |
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Abstract: | |||||
The unpolarized longitudinal nucleon structure function FL, measured in the deep in elastic lepton-nucleon scattering, is contained of three parts, singlet, non-singlet and
gluon. The aim of this paper is to perform a QCD analysis of the longitudinal heavy and light structure functions FL(x,Q2) in the non-singlet part up to O(a3s). We use the light and heavy flavor Wilson coefficients and distribution functions in Mellin space. Also we need to use the Pad�e pproximation for s analysis.
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