We replace the old PACIAE 2.1 and PACIAE 2.2 program series with new ones, respectively. In the new program series, the method of creation of the partonic initial state is changed, an option for calling PYEVNT or PYEVNW in PYTHIA is added, and the few bugs in the calculation for the reduction of strange quark suppression are corrected. New version program summary: Program Title: PACIAE version 2.1 & 2.2 Program Files doi: http://dx.doi.org/10.17632/w3g68dj4d9.1 Licensing provisions: CC By 4.0 Programming language: FORTRAN 77 Journal reference o...
