Coherent description of D*± production in e+e- and low-Q2ep collisions View Full Text


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Article Info

DATE

1997-12

AUTHORS

J. Binnewies, B.A. Kniehl, G. Kramer

ABSTRACT

We present new sets of fragmentation functions for D*± mesons, both at leading and next-to-leading order. They are determined by fitting LEP1 data on inclusive D*± production in e+e- annihilation. In one of the sets, we take the charm-quark fragmentation function to be of the form proposed by Peterson et al. and thus obtain updated values of the εc parameter and the c → D*± branching ratio. The new fragmentation functions lead to an excellent description of other e+e- data with centre-of-mass energies between 10 and 35 GeV. They also nicely agree with recent HERA data on inclusive D*± photoproduction in ep collisions, which may be considered as a test of the universality of the fragmentation into D*± mesons. More... »

PAGES

677-688

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/s002880050590

DOI

http://dx.doi.org/10.1007/s002880050590

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1038473091


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