Perturbative and Non-Perturbative Issues in Heavy Quark Fragmentation

Details Perturbative and Non-Perturbative Issues in Heavy Quark Fragmentation Perturbative and Non-Perturbative Issues in Heavy Quark Fragmentation

2002-05-29

arxiv.org/abs/hep-ph/0205326v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, LaTeX2e, Talk given at the 37th Rencontres de Moriond on QCD and Hadronic Interactions, Les Arcs, France, 16-23 March

Scientific paper

We review the state-of-the-art of our understanding of heavy quark fragmentation. Recent e^+e^- data for B mesons are compared to the most up-to-date theoretical predictions, and the need for inclusion of a non-perturbative component is discussed. Experimental analyses in moments space are suggested, and it is pointed out how perturbative and non-perturbative contributions are to be properly matched. Failure to do so can result in large phenomenological discrepancies. An example is given for B^+ hadroproduction at the Tevatron.

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