Relating Meson and Baryon Fragmentation Functions by Shower-Parton Recombination

Abstract

We relate the fragmentation functions of partons into mesons and baryons in the framework of recombination of shower partons. The results are in reasonable agreement with the data. The implication is that the meson and baryon fragmentation functions are not independent when hadronization of the shower partons are taken into account. The conclusion therefore closes a conceptual gap in the system of fragmentation functions whose $Q^2$ evolution has been more extensively studied than their interrelationship.

arXiv comment10 pages in LaTex + 3 figures in eps

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• Physics Revealed at Intermediate p_T
• System size and energy dependence of high pT hadron production measured with PHENIX experiment at RHIC