Ask Chris Tschalaer about the beam spot size. I think it should be
of the order of 1 mm but I'm not certain of the exact number.
On Tue, 4 Sep 2001, Aaron Joseph Maschinot wrote:
>
> Hello:
>
> I poorly phrased my question before regarding the target's dimensions. I
> am working with the Monte Carlo. What I needed to know was not the actual
> physical dimensions of the target. I needed to know the dimensions of the
> volume in which events will originate. I suppose this volume is 40cm long
> (the physical length of the target). However, the beam size, I think, is
> what determines the diameter of the active event region. I do not know
> what the beam size is. Does anyone else know? If so, would you please
> tell me the diameter or radius (please specify which one you tell me).
>
> Thank you and sorry for the confusion,
>
> Aaron
>
-- John R. Calarco Dept. of Physics Univ. of New Hampshire Durham, NH 03824 phone: (603)862-2088 FAX: (603)862-2998 email: calarco@unh.edu
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