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Forum: Fields: Magnetic and Otherwise
Re: Question cold neutron spin tracking (Emil Frlez)
Re: Question Re: cold neutron spin tracking (Emil Frlez)
Re: None Re: cold neutron spin tracking (Kosta Kliakhandler)
Re: None Re: cold neutron spin tracking (John Apostolakis)
Date: 25 Jun, 2010
From: Kosta Kliakhandler <Kosta Kliakhandler>

Dear John,

Thank you for the reply.

I am using Geant4.9.3 and I believe I am setting all the paramaters. This is the code that deals with the field in the detector construction class:

    field = new G4UniformMagField(G4ThreeVector(fieldstr,0.,0.));

    G4Mag_EqRhs* fEq = new G4Mag_SpinEqRhs(field);

    G4MagIntegratorStepper* stepper = new G4ClassicalRK4(fEq, 12);

    min = 1.0e-10 * m;

    fieldmgr = new G4FieldManager(field);
    fieldmgr->SetDeltaOneStep( min );
    fieldmgr->SetMaximumEpsilonStep( 10e-10 );

    G4ChordFinder* chordFinder = new G4ChordFinder(field, min, stepper);

    charybdisFMgr->SetChordFinder(chordFinder);

Best Wishes, Kosta

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1 Feedback: Re: cold neutron spin tracking   (Gumplinger Peter - 25 Jun, 2010)
(_ None: Re: cold neutron spin tracking   (Kosta Kliakhandler - 13 Jul, 2010)
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