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step length for VMC [message #13501]

Fri, 18 May 2012 10:53

Artem Basalaev
Messages: 3
Registered: May 2012
Location: St. Petersburg, Russia

occasional visitor

From: *nwgsm.ru

Hello!
Please tell me how can I set maximum step length for particles (geantino) transport through geometry. I use standard macro runMC.C and Geant3 as VMC.

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Re: step length for VMC [message #13725 is a reply to message #13501]

Mon, 09 July 2012 16:04

Mohammad Al-Turany
Messages: 518
Registered: April 2004
Location: GSI, Germany

first-grade participant

From: *gsi.de

Hallo Artem,

In Geant3 this can be done via media and not particles, see:

http://fairroot.gsi.de/?q=node/34

you can set the maxstep size for a certain material and then it is valid for all particles passing this media, you should be carfull when using this because fit could produce non-physical results (energy loss calculation is effected!)

regards,

Mohammad

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