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On the fragmentation functions of heavy quarks into hadrons

Research output: Contribution to journalJournal article

Published

<mark>Journal publication date</mark>23/10/1978
<mark>Journal</mark>Physics Letters B
Issue5
Volume78
Number of pages3
Pages615-617
<mark>Original language</mark>English

Abstract

An explicit form for the charmed quark fragmentation function DCc(z) into hadrons has been obtained with the help of the “reciprocity relation” and the c-quark distribution function in charmed mesons (the function calculated in terms of the Kuti-Weisskopf model). DCc(z) turns out to peak mainly at z close to 1. The analysis of new data on muon pair production in neutrino reactions points to such a behaviour of the DCc(z) function. The obtained fragmentation function, contrary to those, used earlier, leads to a charmed particle (average) multiplicity in e+e−-annihilation independent of energy.