Re: muon polarisation/spin in TRACKR and GENSTK?

From: Paola Sala <>
Date: Mon, 14 Jun 2010 10:43:46 +0200 (CEST)

sorry for the late answer
the polarization variables refer to the rest frame for all particles
except neutrinos.
The program takes care of the precession of polarization in magnetic fields.

> Dear FLUKA experts,
> what are the TRACKR variables CXTRPL, CYTRPL, CZTRPL and the
> corresponding GENSTK variables CXRPOL, CYRPOL, CZRPOL refering
> to for a muon or neutrino? Is this the normalised spin vector
> in the rest frame as indicated in the common file of (GENSTK) or
> in the LAB frame? I guess for the neutrino it is in the LAB frame,
> but how about the muon?
> A rather naive question, but does FLUKA take care of the spin
> interaction with magnetic fields?
> With best regards,
> Christoph Bobeth.

Paola Sala
INFN Milano
tel. Milano +39-0250317374
tel. CERN +41-227679148
Received on Mon Jun 14 2010 - 23:32:40 CEST

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