Heavy Quark Fragmentation to Baryons Containing Two Heavy Quarks

Details Heavy Quark Fragmentation to Baryons Containing Two Heavy Quarks Heavy Quark Fragmentation to Baryons Containing Two Heavy Quarks

1993-05-25

arxiv.org/abs/hep-ph/9305315v1

Phys.Rev.D49:555-558,1994

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, 1 figure included, uses harvmac.tex and epsf.tex, UCSD/PTH 93-11, CALT-68-1868, SLAC-PUB-6226

Scientific paper

10.1103/PhysRevD.49.555

We discuss the fragmentation of a heavy quark to a baryon containing two heavy quarks of mass $m_Q\gg\Lambda_{\rm QCD}$. In this limit the heavy quarks first combine perturbatively into a compact diquark with a radius small compared to $1/\Lambda_{\rm QCD}$, which interacts with the light hadronic degrees of freedom exactly as does a heavy antiquark. The subsequent evolution of this $QQ$ diquark to a $QQq$ baryon is identical to the fragmentation of a heavy antiquark to a meson. We apply this analysis to the production of baryons of the form $ccq$, $bbq$, and $bcq$.

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