Re: [fluka-discuss]: How exactly are particle generation defined

From: Francesco Cerutti <Francesco.Cerutti_at_cern.ch>
Date: Tue, 29 Jul 2014 13:11:59 +0200

Dear Shirley,

the pion generation number is NOT increased in case of delta ray
production, bremsstrahlung, direct pair production, and elastic
interaction. Therefore secondary pions (LLO>1 in fluscw.f) come in
fact from inelastic interactions.

Best regards

Francesco

> Dear FLUKA users,

> I'm studying pion (of a few GeV) interaction in water. I wanted to use
> USRTRACK to score the secondary pion path length. I know I can set the
> scoring bias to be 0 for generation=1 particle in fluscw.f. However, I'm
> not sure what interactions will increase the particle generation. For
> example, will delta-ray production (ICODE = 103) make the pion
> generation go up by 1? If so, is there a way to control it such that
> only inelastic interaction (ICODE = 101) increases the particle
> generation number?

> Thank you very much!
> Shirley

**************************************************
Francesco Cerutti
CERN-EN/STI
CH-1211 Geneva 23
Switzerland
tel. ++41 22 7678962
fax ++41 22 7668854
Received on Tue Jul 29 2014 - 14:46:06 CEST