“School of Particles And Accelerator”
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| Paper IPM / Particles And Accelerator / 11441 |
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| Abstract: | |||||||
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In the context of the so-called valon model, we calculate �g
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 �g
g in the measured kinematical region
should not be interpreted as �g being small. In fact, �g itself at small x, and the �rst
moment of the polarized gluon distribution in the nucleon, �g(Q2), are large.
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