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Forum: Fields: Magnetic and Otherwise
Re: Question Spin tracking of muons at rest (Kevin Lynch)
Re: Agree Re: Spin tracking of muons at rest (Gumplinger Peter)
Date: 18 Feb, 2009
From: Kevin Lynch <Kevin Lynch>

On Thu, 19 Feb 2009 00:30:27 GMT, Gumplinger Peter wrote:
> > can you point out how the code in the distribution ensures
> > the G4DecayWithSpin terms don't come in to play for moving muons?
> (see above)
> rotationangle = fRemainderLifeTime * omega = 0. * omega
> You can verify that fRemainderLifeTime has already been updated (reduced
> to zero) by the time the G4DecayWithSpin::DecayIt is called for a decay
> in flight.
> Peter

This is the key point I was missing; now that I understand it, the rest of the code makes perfect sense. Thanks again for your help.

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