[Gate-users] definition of a pencil beam source

[Grevillot Loic]

Hello,

Did you look at the documentation?
http://wiki.opengatecollaboration.org/index.php/Users_Guide_V7.1:Source#Pencil_Beam_source

[cid:image001.png at 01D12047.05D66AC0]

From: gate-users-bounces at lists.opengatecollaboration.org [mailto:gate-users-bounces at lists.opengatecollaboration.org] On Behalf Of ?Hadis Shahrabi? ??
Sent: Friday, November 13, 2015 11:01 PM
To: Gate-users at lists.opengatecollaboration.org
Subject: [Gate-users] definition of a pencil beam source

Hi all,

I need to know how a pencil beam source is defined by the following characteristics?

If anyone can explain me how I aprecciate it

Thank you



# spot size



/gate/source/PBS/setSigmaX [spot_size_X]  mm

/gate/source/PBS/setSigmaY [spot_size_Y]  mm


#divergence



/gate/source/PBS/setSigmaTheta [divergence_Teta] mrad

/gate/source/PBS/setSigmaPhi [divergence_Phi]    mrad


#emittance



/gate/source/PBS/setEllipseXThetaEmittance [Emittance_X_Theta] mm*mrad

/gate/source/PBS/setEllipseYPhiEmittance [Emittance_Y_Phi]     mm*mrad

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