Message: Spin polarized electrons Not Logged In (login)
 Next-in-Thread Next-in-Thread
 Next-in-Forum Next-in-Forum

None Spin polarized electrons 

Forum: Physics List
Date: 10 Sep, 2015
From: JanW <JanW>


I am trying myself on a simulation of an experiment involving 
The setup is as simple as it could get:
Polarized electrons with 130MeV are shot at a polarized target, both 
polarized in the Direction of the beam for a maximum affect of the spin 
polarization on the scattering. I then measure the intensity of the beam 
as a function of the angle Theta(Initial Momentum -> 
After-Scattering-Momentum). I expect it to be depending on the 

My Physics List is constructed like this:

   G4VModularPhysicsList* physicsList = new G4VModularPhysicsList;
   physicsList->RegisterPhysics(new G4EmLivermorePolarizedPhysics);

I polarize my electrons via macro file:

   /gun/polarization 0. 0. 1.


   /gun/polarization 0. 0. -1.

My target, which I am shooting at, is polarized via the PolarizationManager:

   G4PolarizationManager * polMgr = G4PolarizationManager::GetInstance();

Sadly, with this setup, I cannot reproduce the expected polarization 
dependence. Furthermore, in Example Pol01 I also can't see any 
dependence of the produced data on the polarization.
I am a little confused here and very happy about any help.


Jan Wissmann
TU Darmstadt - Institut fuer Kernphysik
Schlossgartenstrasse 9
D-64289 Darmstadt

Tel.: +49 6151/16-5121
Office: S214/101

Inline Depth:
 1 1
 All All
Outline Depth:
 1 1
 2 2
 All All
Add message: (add)

1 Sad: Re: Spin polarized electrons   (JanW - 15 Sep, 2015)
 Add Message Add Message
to: "Spin polarized electrons"

 Subscribe Subscribe

This site runs SLAC HyperNews version 1.11-slac-98, derived from the original HyperNews

[ Geant 4 Home | Geant 4 HyperNews | Search | Request New Forum | Feedback ]