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Question angular distribution of isotope in GPS 

Forum: Particles
Date: 05 May, 2016
From: Julien Zhu <Julien Zhu>

hi,

I am willing to make an isotope source with specific angular distribution in GPS. the macro file I used is in below. I found if I use gamma (first line), it works, but if I change to ion, the angular function would be failed. it is possible that the isotope does not support GPS? thanks.

regards Julien

#/gps/particle gamma

/gps/particle ion

/gps/ion 27 60 0 0

/gps/pos/type Point

/gps/pos/centre -50. 0. 5

/gps/ang/type iso

/gps/ang/mintheta 90. deg

/gps/ang/maxtheta 90. deg

/gps/ang/minphi 160. deg

/gps/ang/maxphi 200. deg

/run/beamOn 1000

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