Physics Letters B, ( ISI ), Volume (691), No (1), Year (2010-7) , Pages (32-36)

Title : ( Gluon polarization in nucleon )

Authors: Abolfazl Shahveh , Seyyedeh Fatemeh Taghavi shahri , Firooz Arash ,

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In the context of the so-called valon model, we calculate δg g and show that although it is small and compatible with the measured values, the gluon contribution to the spin of nucleon can be sizable. The smallness of δg g in the measured kinematical region should not be interpreted as δg being small. In fact, δg itself at small x, and the first moment of the polarized gluon distribution in the nucleon, g(Q 2), are large.


, Nucleon spin, Gluon polarization, QCD, Valon model
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author = {Abolfazl Shahveh and Taghavi Shahri, Seyyedeh Fatemeh and Firooz Arash},
title = {Gluon polarization in nucleon},
journal = {Physics Letters B},
year = {2010},
volume = {691},
number = {1},
month = {July},
issn = {0370-2693},
pages = {32--36},
numpages = {4},
keywords = {Nucleon spin; Gluon polarization; QCD; Valon model},


%0 Journal Article
%T Gluon polarization in nucleon
%A Abolfazl Shahveh
%A Taghavi Shahri, Seyyedeh Fatemeh
%A Firooz Arash
%J Physics Letters B
%@ 0370-2693
%D 2010