Fragmentation Functions For Baryons in a Quark-Diquark Model

Details Fragmentation Functions For Baryons in a Quark-Diquark Model Fragmentation Functions For Baryons in a Quark-Diquark Model

1997-06-24

arxiv.org/abs/hep-ph/9706491v1

Phys.Rev. D56 (1997) 7381-7391

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages Latex2e and 8 PostScript figures. Uses revtex.sty, revtex.cls, aps.sty, aps12.sty, prabib.sty. Submitted to Phys. Rev

Scientific paper

10.1103/PhysRevD.56.7381

A perturbative QCD calculation of heavy flavor quark fragmentation into heavy flavor baryons is developed along the lines of corresponding heavy meson models. The non-perturbative formation of the baryon is accomplished by implementing the quark-diquark model of the baryons. Diquark color form factors are used to enable the integration over the virtual heavy quark momentum. The resulting spin independent functions for charmed and bottom quarks to fragment into charmed and bottom baryons with spin 1/2 and 3/2 are compared with recent data. Predictions are made for the spin dependent fragmentation functions as well, particularly for the functions $\hat{g}_1$ and $\hat{h}_1$ in the case of spin 1/2 baryons.

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