PMOD: Modify particle attributes

Format

PMOD `part-name antipart-name ' mass charge life-time width

Parameters:

'part-name antipart-name'

see 15.3. The attributes of a particle and its antiparticle are modified at the same time. If a particle is its own anti- particle, the same name has to be given twice.

mass charge life-time width:

Real numbers (with decimal point). The charge of the antiparticle is set to -charge. If less than four numbers are given, the remaining particle attributes are not changed.