<br><font size=2 face="sans-serif">Hi, Gate users,</font>
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<br><font size=2 face="sans-serif">Just a reminder. Last week when I was trying with the ion source, there's no any output</font>
<br><font size=2 face="sans-serif">at all. Later I found out that this is caused by a bug in Geant4.8.0.p01, the </font>
<br><font size=2 face="sans-serif">RadioactiveDecay function of the ion doesn't work. So if you got this problem and you don't</font>
<br><font size=2 face="sans-serif">want to install another version Geant, maybe you can update the file G4RadioactiveDecay.cc from</font>
<br><font size=2 face="sans-serif">Geant4.8.1 and re-compile it.</font>
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<br><font size=2 face="sans-serif">Yuxuan</font>
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