regarding how GEANT handles entering new volumes

From: Aaron Joseph Maschinot (ajmasch@MIT.EDU)
Date: Thu Nov 15 2001 - 15:18:00 EST


Hello:

Does anyone know if GEANT always stops immediately upon crossing through a new
volume? In other words, if I am in a volume with a step size of 10cm (the
default BLAST setup step size) and I happen to cross through a recoil
detector volume (which is only, say, 300microns thick), will GEANT be
smart enough to stop immediately upon crossing into the recoil volume and
check to see what it's step size is? Or will GEANT pass through the
300micron volume, totally oblivious to ever having passed through the
volume?

I have tracked paths going through the small recoil volume; they always
stop IMMEDIATELY after entering the volume, regardless of step size. But
maybe it's just a fluke. Does anyone know for sure?

Thanks,

Aaron



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