[Gate-users] Gate-users Digest, Vol 35, Issue 1 1. ionization question (Maria Maria)

[Chen, Yu]

Hi, Maria,
 
Since GATE initially is the Geant4 Application for Emission Tomography, there are only e+/e-, photon particles involved, therefore electromagnetic interaction is the only one needed to be considered. Current GATE provides two EM packages for your choice: standard and low energy. 
 
When GATE is going to extend its application to Radiotherapy, the EM process is still enough for photon and electron radiotherapy. However for hadron (pion, proton, ions) radiotherapy, the hadronic interaction process must be included. Geant4 has a few hadronic interaction packages implemented. As I know, several groups including ours are validating those packages in proton radiotherapy. GATE may include proton therapy application in its future version.
 
Dependent on your purpose and your familiarity to Geant4, you always can play Geant4 in GATE by modifying GATE physics list and particle list modules to include Geant4 hadronic packages and hadron particle definitions. 
 
Hope it helps.
 
Yu Chen, PhD

Remote Proton Radiation Therapy

Walter Reed Army Medical Center

Bldg 2, Rm 1H46A

6900 Georgia Avenue, NW

Washington, DC 20307

Phone: (202) 782-1881

Fax: (202) 782-0305

E-mail: yu.chen at amedd.army.mil

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Subject: Gate-users Digest, Vol 35, Issue 1



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Today's Topics:

   1. ionization question (Maria Maria)


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Message: 1
Date: Wed, 1 Apr 2009 09:50:21 +0000 (GMT)
From: Maria Maria <nuclscience at yahoo.gr>
Subject: [Gate-users] ionization question
To: Gate-users at lists.healthgrid.org
Message-ID: <18864.27318.qm at web28407.mail.ukl.yahoo.com>
Content-Type: text/plain; charset="iso-8859-7"

Dear GATE users,

I would like to know if GATE can simulate the ionization (dE/dx) of other than e+/- particles, such as heavy ions, protons and pions. And if yes, how can I do this ?

Thank you in advance.

Maria




     
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