Follow-up from "Include general particle names for exotic searches"

It should be understood how these particles definitions needs to be handled in Gauss Sim11, see all discussion.

It may also relate to Gauss!1016

The following discussion from !4728 (merged) should be addressed:

• @mvesteri started a discussion: (+12 comments)

  I think this all looks OK, but the description should summarise the choices for each column. E.g.

  • Geant ID is 99000000 (+0,1,2 for CP), (+100/ +200 for SL, LL) etc...
  • etc...