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Keywords: polarization
Forum: Event and Track Management
Re: Question Problem with GetPolarization method? (Michel Sorel)
Re: None Re: Problem with GetPolarization method? (Makoto Asai)
Date: 18 Sep, 2002
From: Gumplinger Peter <Gumplinger Peter>

Makoto and all,

The problem is with the G4DynamicParticle constructor(s). None of them set the initial polarization. Novice ExN04PrimaryGeneratorAction also doesn't set it (via the G4ParticleGun::SetParticlePolarization). So, it's undefined and hence the values obtained (via GetPolarization) are whatever is in memory.

I suggest to set the 'default polarization' in all G4DynamicParticle constructors to 0,0,0 - meaning 'unpolarized', and while at it, look for any other class member which is is not given some reasonable value at construction.

Regards, Peter

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