|Message: Re: General Particle Source Angular Distributions||Not Logged In (login)|
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Hi Tarek and Mathias
With GPS you can obtain an isotropic flux shooting particles from a surface: the "squared cos(theta)" you mention is actually already implemented in the "cos" angular distribution of GPS (not the "iso", which is best suited for point sources, instead):
Indeed there was a bug in the GPS "iso" and "cos" distributions from surfaces. This bug has been corrected by Tore Ersmark and Fan Lei in the release 6.0 (Dec 2003).
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