[Halld-tagger] beamline calibration section for computing document

[Curtis A. Meyer]

Dear Liping -

   these are important discussions that we need to have over  the next many months to make sure that
we get everything calibrated. The material that we are putting in the software document for the review 
in two weeks is by no means final. 

  thanks - Curtis
---------
Curtis A. Meyer			MCS Associate Dean for Faculty and Graduate Affairs
Wean:    (412) 268-2745	Professor of Physics
Doherty: (412) 268-3090	Carnegie Mellon University
Fax:         (412) 681-0648	Pittsburgh, PA 15213
curtis.meyer at cmu.edu	http://www.curtismeyer.com/



On Nov 12, 2013, at 3:13 PM, "Gan, Liping" <ganl at uncw.edu> wrote:

> HI, Richard, Curtis, and all,
>  
> I have a suggestion on the timing calibration procedure for the low-segmentation PS counters. We have the left and the right detector arrays. There is  a 2mm overlap between adjacent counters within the same array. Therefore, I think a more efficient way to calibrate the low-segmentation PS counters can be the follow:
>  
> (1)    Align all counters within the same detector array by using the overlap between adjacent counters.
> (2)    Align the left and the right arrays by using the left-right coincidence.
>  
> Liping
>  
>  
>  
> From: halld-tagger-bounces at jlab.org [mailto:halld-tagger-bounces at jlab.org] On Behalf Of Richard Jones
> Sent: Monday, November 11, 2013 8:59 PM
> To: Curtis Meyer
> Cc: Hall D beam working group
> Subject: [Halld-tagger] beamline calibration section for computing document
>  
> Hello Curtis and all,
>  
> We had a discussion at today's meeting of the calibration section of your computing document related to the photon beamline.  I have drafted some replacement text for the original text that was contained in the document, and have placed it up for review and comment under NOTES on the agenda page for today's Photon Beam WG biweekly meeting.
>  
> https://halldweb1.jlab.org/wiki/index.php/BLTWG_Meeting_11/11/2013
>  
> Please respond to the list to let us know if this meets the need, or if further information is required.  Everyone in the working group is invited to comment either by this list or (better still) by proposing specific changes to the text on the wiki page.
>  
> -Richard J.

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