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Question Does /gps/pos/confine volume makes any biasing? 

Forum: Particles
Date: 15 Sep, 2015
From: JungEun Elena Suh <JungEun Elena Suh>

Deal all

Hello I have a question about /gps/pos/confine volume

I think it choose(or makes) primary particle which go through some volume I defined there.

I made isotropic beam from the spherical surface, and I want to choose events that primary particles go through certain volume.

So this command 'confine' seems very nice to me.

However I worried if this command makes some biasing.

Is it same if I

1. use this command (with certain volume A)

2. without this command, and I calculate trajectory of primary particles and select events only primary particles go through certain volume A ?

Please tell me if you have any idea :)

Thank you!!
Have a nice day.


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