Perturbative QCD Fragmentation Functions for $B_c$ and $B_c^*$ Production

Details Perturbative QCD Fragmentation Functions for $B_c$ and $B_c^*$ Production Perturbative QCD Fragmentation Functions for $B_c$ and $B_c^*$ Production

1993-05-03

arxiv.org/abs/hep-ph/9305206v1

Phys.Rev.D48:5049-5054,1993

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex, 12 pages, 3 figures available upon request, NUHEP-TH-93-6

Scientific paper

10.1103/PhysRevD.48.R5049

The dominant production mechanism for ${\bar b} c$ bound states in high energy processes is the production of a high energy ${\bar b}$ or $c$ quark, followed by its fragmentation into the ${\bar b} c$ state. We calculate the fragmentation functions for the production of the S-wave states $B_c$ and $B_c^*$ to leading order in the QCD coupling constant. The fragmentation probabilities for ${\bar b} \rightarrow B_c$ and ${\bar b} \rightarrow B_c^*$ are approximately $2.2 \times 10^{-4}$ and $3.1 \times 10^{-4}$, while those for $c \rightarrow B_c$ and $c \rightarrow B_c^*$ are smaller by almost two orders of magnitude.

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