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Question Hadrontherapy with a heavy ion?  

Keywords: Hadrontherapy heavy ion particle enrgy loss problem
Forum: Medical Applications
Date: 12 Sep, 2005
From: Nami Saito <n.saito@gsi.de>

Hello.

I would like to simulate energy deposit in water with a heavy ion beam 
like a 12C. 
I tried to use Hadrontherapy example and changed the beam by,
/gun/particle ion
/gun/ion 6 12 6
But I got segmentation violation on the first step.

*********************************************************************************************************
* G4Track Information:   Particle = C12[0.0],   Track ID = 1,   Parent ID = 0
*********************************************************************************************************

Step#    X(mm)    Y(mm)    Z(mm) KinE(MeV)  dE(MeV) StepLeng TrackLeng  NextVolume ProcName
    0 -3.25e+03   -0.417    0.504      63.7        0        0         0 physicalTreatmentRoom initStep

 *** Break *** segmentation violation
 Generating stack trace...

Light ions works up to alpha. 
Physics were added:

/physics/addPhysics photon-epdl
/physics/addPhysics electron-eedl
#/physics/addPhysics electron-standard
/physics/addPhysics positron-standard
/physics/addPhysics ion-LowE
#/physics/addPhysics ion-standard
#/physics/addPhysics ion
/physics/addPhysics muon-standard
/physics/addPhysics decay
/physics/addPhysics proton-precompound

I have added IonPhysics by taking from A01 and TestEm7, but it does not work..
Can someone tell me how I should do? 

Nami

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