TTP00-23 QCD factorization with heavy quarks

TTP00-23 QCD factorization with heavy quarks

TTP00-23 QCD factorization with heavy quarks

We further analyze the definition and the calculation of the heavy quark impact factor at next-to-leading (NL) $\log s$ level, and we provide its analytical expression in a previously proposed k-factorization scheme. Our results indicate that k-factorization holds at NL level with a properly chosen energy scale, and with the same gluonic Green's function previously found in the massless probe case.

G. Rodrigo and M. Ciafaloni
Nucl. Phys. Proc. Suppl. 99A 200-203 2001
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