Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-11-17
Phys.Lett.B371:303-309,1996
Physics
High Energy Physics
High Energy Physics - Phenomenology
10 pages, LaTeX, epsfig, 5 figures appended as uuencoded file (hardcopy can be obtained upon request from mkraemer@desy.de or
Scientific paper
10.1016/0370-2693(96)00011-1
In two-photon collisions at LEP2 and a future $e^+e^-$ linear collider heavy quarks (mainly charm) will be pair-produced rather copiously. The production via direct and resolved photons can be distinguished experimentally via a remnant-jet tag. We study correlations of the heavy quarks at next-to-leading order in QCD in the direct channel, which is free from phenomenological parton densities in the photon. These correlations are therefore directly calculable in perturbative QCD and provide a stringent test of the production mechanism.
Krämer Michael
Laenen Eric
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