Re: Primex beam requirement

[Ashot Gasparian <gasparan@jlab.org>]

   Hi Richard,

   They are very similar, thanks. What is the collimater radius
   for your simulation? It looks like R = 1.7 mm, is that right?

   Ashot

.............................................................
Ashot Gasparian                    Phone:(336)285-2112 (NC A&T)
Associate Professor
Physics Department                       (757)-269-7914 JLab
NC A&T State University              Fax:(757)-269-6273 JLab
Greensboro, NC 27411               email: gasparan@jlab.org
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On Sat, 6 Dec 2008, Richard Jones wrote:

> Ashot, Liping:
> 
> Those requirements are within the capabilities of the tagger and collimation system that we have in our current
> design for the Hall D photon beam.  I have carried out a more complete simulation of the photon beam spot at the
> position of the gluex target than what Liping did.  You can compare the two plots (x and y projections of the
> beam spot profile) below with Liping's profiles.  They look similar to me.
> 
> http://zeus.phys.uconn.edu/halld/primex/beam-12-2008/xtarg_beam.gif
> http://zeus.phys.uconn.edu/halld/primex/beam-12-2008/ytarg_beam.gif
> 
> -Richard J.
> 
> 
> Gan, Liping wrote:
>       Dear Richard,
> 
> According our discussion at the meeting, here is updated beam requirement for PrimEx experiment.
> 
> Best regards,
> 
> Liping
>
> 
>
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