-- Stefan E. Mueller Department of Information Services and Computing - Computational Science and Institute of Radiation Physics Helmholtz-Zentrum Dresden-Rossendorf Tel: +49 (0351) 260 3847 Stefan.Mueller_at_hzdr.de http://www.hzdr.de Vorstand: Prof. Dr. Sebastian M. Schmidt, Dr. Diana Stiller Vereinsregister: VR 1693 beim Amtsgericht Dresden On Mon, 26 Apr 2021, Ding, Qi wrote: > > Dear FLUKA experts, > > > My simulation is a proton beam incident on a metal target(there exist water > channels inside target). > I want to get the information about the positions of (p,n) reactions, so I > use a customized mgdraw (usdraw entry) user routine to record the > coordinates(x,y,z) of positions where (p,n) reactions take place. > > and I used the coordinates (y,z) to get a figure (2D distribution) which > shows the positions where (p, n) reactions take place in y(target > width)-z(target depth) transversal area (as shown in Fig.1). All the red > points represent the positions where neutrons produced by (p, n). For this > I'd like to know the unit of this quantity or event? > > And in order to evaluate neutron yield which produced by (p,n) reactions > along target depth, I consider the number of (p,n) reactions as the amount > of neutrons produced by (p,n). So I integrated the number of > > (p,n) reactions and get the number of reactions(neutrons) in different > target depth (like Fig.2). For my understanding the values at y-direction > mean the number of neutrons produced by (p,n) reactions, and the unit should > be [1/cm]. could you please tell me is it right? > > > The above is my personal understanding, if there is anything wrong, please > don't hesitate to correct me. > > > Any comments or suggestions will be appreciated. > > Best regards, > > > Qi Ding > > > > --------------------------------------------------------------------------- > --------------------- > --------------------------------------------------------------------------- > --------------------- > Forschungszentrum Juelich GmbH > 52425 Juelich > Sitz der Gesellschaft: Juelich > Eingetragen im Handelsregister des Amtsgerichts Dueren Nr. HR B 3498 > Vorsitzender des Aufsichtsrats: MinDir Volker Rieke > Geschaeftsfuehrung: Prof. Dr.-Ing. Wolfgang Marquardt (Vorsitzender), > Karsten Beneke (stellv. Vorsitzender), Prof. Dr.-Ing. Harald Bolt, > Prof. Dr. Frauke Melchior > --------------------------------------------------------------------------- > --------------------- > --------------------------------------------------------------------------- > --------------------- > > >
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