Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-11-10
Nucl.Phys. B421 (1994) 530-544
Physics
High Energy Physics
High Energy Physics - Phenomenology
LaTeX, 16 pages with 6 encapsulated postscript figures pasted in with epsf and sent in a separate uuencoded file. Other 14 fig
Scientific paper
10.1016/0550-3213(94)90515-0
The production of heavy quarks at large $\pt$ ($\pt\gg m$) in hadronic collisions is considered. The analysis is carried out in the framework of perturbative fragmentation functions, thereby allowing a resummation at the NLO level of final state large mass logarithms of the kind $\log(\pt/m)$. The case of $b$-quark production is considered in detail. The resulting theoretical uncertainty from factorization/renormalization scales at large $\pt$ is found to be much smaller than that shown by the full $O(\as^3)$ perturbative calculation.
Cacciari Matteo
Greco Mario
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