A new modified Altarelli-Parisi evolution equation with parton recombination in proton

Details A new modified Altarelli-Parisi evolution equation with parton recombination in proton A new modified Altarelli-Parisi evolution equation with parton recombination in proton

1999-07-13

arxiv.org/abs/hep-ph/9907330v1

Nucl.Phys. B559 (1999) 378-392

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 pages, Latex, 6 Ps-figures

Scientific paper

10.1016/S0550-3213(99)00461-7

The coefficients of the nonlinear terms in a modified Altarelli-Parisi evolution equation with parton recombination are determined in the leading logarithmic ($Q^2$) approximation. The results are valid in the whole $x$ region and contain the translation $GG\to q\bar q$, which is inhibited in the double leading logarithmic approximation. The comparisons of the new evolution equation with the Gribov-Levin-Ryskin equation are presented.

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