Nuclear Modification to Parton Distribution Functions and Parton Saturation

Details Nuclear Modification to Parton Distribution Functions and Parton Saturation Nuclear Modification to Parton Distribution Functions and Parton Saturation

2007-02-03

arxiv.org/abs/hep-ph/0702040v1

J.Phys.G34:S607-S610,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, to appear in the proceedings of QM2006

Scientific paper

10.1088/0954-3899/34/8/S54

We introduce a generalized definition of parton distribution functions (PDFs) for a more consistent all-order treatment of power corrections. We present a new set of modified DGLAP evolution equations for nuclear PDFs, and show that the resummed $\alpha_s A^{1/3}/Q^2$-type of leading nuclear size enhanced power corrections significantly slow down the growth of gluon density at small-$x$. We discuss the relation between the calculated power corrections and the saturation phenomena.

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