A trick to improve the efficiency of generating unweighted B c events from BCVEGPY

Abstract
In the present paper, we provide an addendum to improve the efficiency of generating unweighted events within PYTHIA environment for the generator BCVEGPY2.1 [C.H. Chang, J.X. Wang, X.G. Wu, Comput. Phys. Commun. 174 (2006) 241]. This trick is helpful for experimental simulation. Moreover, the BCVEGPY output has also been improved, i.e. one Les Houches Event common block has been added so as to generate a standard Les Houches Event file that contains the information of the generated ^(Bc)m...

Title of program: BCVEGPY2.1a
Catalogue Id: ADTJ_v2_2

Nature of problem
Hadronic Production B c meson and its excited states.

Versions of this program held in the CPC repository in Mendeley Data
ADTJ_v1_0; BCVEGPY; 10.1016/j.cpc.2004.02.005
ADTJ_v2_0; BCVEGPY; 10.1016/j.cpc.2005.09.008
ADTJ_v2_1; BCVEGPY2.1; 10.1016/j.cpc.2006.07.014
ADTJ_v2_2; BCVEGPY2.1a; 10.1016/j.cpc.2011.08.024
ADTJ_v2_3; BCVEGPY2.2; 10.1016/j.cpc.2015.07.015

This program has been imported from the CPC Program Library held at Queen's University Belfast (1969-2018)