Re: more on cabling....

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From: W.J. Llope (llope_at_physics.rice.edu)
Date: Tue Jan 21 2003 - 15:43:52 EST

my 'after map2' in my message earlier today was not
quite correct. the new version is at the same location
        http://mac8.rice.edu/~TOF/TOFp/hp_after_map2.gif

the revised plot more clearly suggests the most probable
problem here is that one bundle of TOFr C-cables is
not connected to TDCs.

At 9:48 AM -0600 1/21/03, W.J. Llope wrote:
>before:
> http://mac8.rice.edu/~TOF/TOFp/hp_before.gif
>
>after, remap #1 = "shift adc indexes down"...
> http://mac8.rice.edu/~TOF/TOFp/hp_after.gif
>
>after, remap #2 = "shift tdc indexes up"...
> http://mac8.rice.edu/~TOF/TOFp/hp_after_map2.gif
>
>
>note the magic number here (the magnitude of the index
>shift either up or down that makes the hits match up) is *EIGHT*.
>
>simplest explanation - perhaps a single problem w/ a
>C-section bundle, since all C bundles have 8 cables each...
>more complicated explanations also exist though
>
>
>--
>
> W.J. Llope, Ph.D. Res. Assoc. Professor
> T.W. Bonner Nuclear Laboratory phone: 713-348-4741
> Rice University, MS-315 fax: 713-348-5215
> 6100 S. Main St.
> Houston, TX 77005-1892
> e-mail: llope_at_physics.rice.edu
> WWW home: http://wjllope.rice.edu/default.html
>
>-- 

-- 

  W.J. Llope, Ph.D.                      Res. Assoc. Professor
  T.W. Bonner Nuclear Laboratory         phone:  713-348-4741
  Rice University, MS-315                fax:    713-348-5215
  6100 S. Main St.                  
  Houston, TX 77005-1892            
             e-mail:     llope_at_physics.rice.edu
             WWW home:   http://wjllope.rice.edu/default.html

--
                        
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