Difference: DetectorRepair (7 vs. 8)

Revision 82007-11-29 - BrendanKiburg

Line: 1 to 1
 
META TOPICPARENT name="MuCapRun11"
-- BrendanKiburg - 05 Nov 2007
Line: 41 to 41
 After consulting with Steven, I have determined how the mapping is setup and slightly tweaked the cathode settings Based on the Illinois analysis code, it appears the dead spot centered around z = +50 mm, phi = 3 radians corresponds to the following wires and sectors:
  • Anodes: 2701->2750 (Sectors A2, A1)
Changed:
<
<
  • Inner Cathodes: 3242->3269
>
>
  • Inner Cathodes: 3242->3269 (Sectors C10 and C11, a little of C9)
 
    • wire 3242 has (z=+94 when phi = 2.8 and z=+191 when phi = 3.1)
    • wire 3269 has (z=-78 when phi = 2.8 and z=+19 when phi = 3.1)
Changed:
<
<
  • Outer Cathodes: 3902->3932 (Sectors C21,C22)
>
>
  • Outer Cathodes: 3882->3912 (Sectors C23, C22 and C21 -- half of C23,C21, all of C22)
    • wire 3882 has (z=-102 when phi = 3.1 and z = -7.6 when phi = 2.8)
    • wire 3912 has (z=+84 when phi = 3.1 and z= +179 when phi = 2.8)
 
Added:
>
>
  • The peak of the intersection should be A2xC10xC22
 
  • ePC2 inefficiency:
    hepc2Efficiency.gif
 
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