Dear Ana,
the electrons are not delta-rays. They are produced by photons, which are
produced in inelastic interactions.
One can check adding a THRESHOLD card with high values in what(3) and(4),
so that inelastic interactions are not performed: electrons disappear
Paola
> Dear FLUKA experts,
>
> I'm simulating a proton beam in water with no deltaray production.
> DELTARAY -1. WATER WATER
>
> When scoring dose and fluence differential in energy, there is a signal
> detected in the USRBIN and USRTRACK cards for electrons.
>
> I'm not sure what I may be doing wrong. I have used the DELTARAY card
> before with no issues. How can I set the simulations for no delta ray
> production?
>
> Example of input, output and result of USRTRACK card attached.
>
> (Many apologies if you are receiving this e-mail twice - I think my 1st
> attempt didn't go through.)
>
> Many thanks and best wishes,
> Ana
>
> ________________________________
> From: Ferreira De Almeida Lourenco, Ana <am.lourenco_at_ucl.ac.uk>
> Sent: 04 March 2021 12:09
> To: fluka-discuss_at_fluka.org <fluka-discuss_at_fluka.org>
> Subject: DELTARAY card
>
> Dear FLUKA experts,
>
> I'm simulating a proton beam in water with no deltaray production.
> DELTARAY -1. WATER WATER
>
> When scoring dose and fluence differential in energy, there is a signal
> detected in the USRBIN and USRTRACK cards for electrons.
>
> I'm not sure what I may be doing wrong. I have used the DELTARAY card
> before with no issues. How can I set the simulations for no delta ray
> production?
>
> Example of input, output and result of USRTRACK card attached.
>
> Many thanks and best wishes,
> Ana
>
>
Paola Sala
INFN Milano
tel. Milano +39-0250317374
tel. CERN +41-227679148
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Received on Tue Mar 09 2021 - 13:46:51 CET