Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2003-09-11
Comput.Phys.Commun.159:192-224,2004
Physics
High Energy Physics
High Energy Physics - Phenomenology
47 pages, 12 figures
Scientific paper
10.1016/j.cpc.2004.02.005
We have written a Fortran programme BCVEGPY, which is an event generator for the hadronic production of the $B_c$ meson through the dominant hard subprocess $gg\to B_c(B_c^*) +b+\bar{c}$. To achieve a compact programme, we have written the amplitude of the subprocess with the particle helicity technique and made it as symmetric as possible, by decomposing the gluon self couplings and then applying the symmetries. To check the programme, various cross sections of the subprocess have been computed numerically and compared with those in the literature. BCVEGPY is written in a PYTHIA-compatible format, thus it is easy to implement in PYTHIA.
Chang Chao-Hsi
Driouichi Chafik
Eerola Paula
Wu Xing-Gang
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