Open heavy flavor production in QCD: Conceptual framework and implementation issues - INSPIRE

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Open heavy flavor production in QCD: Conceptual framework and implementation issues

Wu-Ki Tung
(
- Michigan State U.
)
,
Stefan Kretzer
(
- Michigan State U.
)
,
Carl Schmidt
(
- Michigan State U.
)

Oct, 2001

13 pages

Part of Proceedings, Ringberg Workshop on New Trends in HERA Physics 2001 : Ringberg Castle, Tegernsee, Germany, June 17-22, 2001

Published in:

J.Phys.G 28 (2002) 983-996

Contribution to:

Ringberg Workshop on New Trends in HERA Physics 2001

e-Print:

hep-ph/0110247 [hep-ph]

DOI:

10.1088/0954-3899/28/5/321

View in:

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Abstract:

Heavy flavor production is an important QCD process both in its own right and as a key component of precision global QCD analysis. Apparent disagreements between fixed-flavor scheme calculations of b-production rate with experimental measurements in hadro-, lepto-, and photo-production provide new impetus to a thorough examination of the theory and phenomenology of this process. We review existing methods of calculation, and place them in the context of the general PQCD framework of Collins. A distinction is drawn between scheme dependence and implementation issues related to quark mass effects near threshold. We point out a so far overlooked kinematic constraint on the threshold behavior, which greatly simplifies the variable flavor number scheme. It obviates the need for the elaborate existing prescriptions, and leads to robust predictions. It can facilitate the study of current issues on heavy flavor production as well as precision global QCD analysis.

Note:

13 pages, 10 figures, Proceedings of Ringberg Workshop: New Trends in HERA Physics 2001, Munich, Germany

talk: Ringberg Castle 2001/06/17
quantum chromodynamics: perturbation theory
electron p: deep inelastic scattering
electron p: inclusive reaction
photon p: interaction
quark: electroproduction
charm
bottom
flavor: 3
flavor: 4

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