| Re: Question about update version for mar14 [message #16230 is a reply to message #16226] |
Fri, 04 April 2014 13:45  |
Klaus Götzen
Messages: 293
Registered: June 2006
Location: GSI
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first-grade participant |
From: *gsi.de
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Hi,
there is another issue which I'd like to mention: At the moment, the default behaviour of DPM Gen is to hand particles like pi0, K_S, Lambda, etc, over to Geant without decaying them. Therefore these events are not suitable for the fast simulation studies where no transport software is used.
Aida is currently working to implement a possibility to control this by parameters. Therefore you either have to patch DPMGen in your own pandaroot (pgenerators/DpmEvtGen/init.f, lines 140ff)
136 C-----------------------------------------------------------------
137 C IF IT IS NEEDED TO POINT OUT THE OTHER STABLE
138 C PARTICLES, PUT CORRESPONDING ISTAB = 1
139 C-----------------------------------------------------------------
140 IDSTAB(17)=1 ! \Lambda
141 IDSTAB(18)=1 ! Anti_Lambda
142 IDSTAB(19)=1 ! K^0_s
143 IDSTAB(23)=1 ! \pi^0
144 C IDSTAB(33)=1 ! \rho_0
145 ccc aida
146 c IDSTAB(31)=1 ! eta
147 c IDSTAB(35)=1 ! omega
148 c IDSTAB(95)=1 !eta'
by setting the IDSTAB parameters to 0 and recompiling, or you wait for the official update from Aida.
Best,
Klaus
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