Difference between revisions of "Start Counter Cheat Sheet"

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(SiPM Readout)
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[[File:Start_counter.png|thumb|cross-section through barrel, 30-fold segmentation shown]]
 
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[[File:Sym_30_front_combined.png|thumb|link=https://halldweb1.jlab.org/wiki/images/1/17/Sym_30_front_combined.pdf|SiPM readout concept (PDF)]]
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[[File:Sym_30_front_combined.png|thumb|link=https://halldweb.jlab.org/wiki/images/1/17/Sym_30_front_combined.pdf|SiPM readout concept (PDF)]]
 
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[[File:sym_30_front_2annot.png|thumb|link=https://halldweb1.jlab.org/wiki/images/1/1f/Sym_30_front_2annot.pdf]]
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[[File:Start counter chuck.png|thumb|link=https://halldweb1.jlab.org/talks/2011-4Q/SC_12_15_11.pptx]]
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[[File:Start counter chuck.png|thumb|link=https://halldweb.jlab.org/talks/2011-4Q/SC_12_15_11.pptx]]
 
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[[File:D00000-01-01-2000.png|thumb|link=https://halldweb1.jlab.org/wiki/images/f/fb/D00000-01-01-2000.pdf|mechanical drawing of scintillator (PDF)]]  
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[[File:D00000-01-01-2000.png|thumb|link=https://halldweb.jlab.org/wiki/images/f/fb/D00000-01-01-2000.pdf|mechanical drawing of scintillator (PDF)]]  
 
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* outer diameter of scattering chamber: 3.72″
 
* outer diameter of scattering chamber: 3.72″

Revision as of 21:45, 31 March 2015

3-D rendering of scintillator bars
cross-section through barrel, 30-fold segmentation shown
SiPM readout concept (PDF)
Sym 30 front 2annot.png
Start counter chuck.png
mechanical drawing of scintillator (PDF)
  • outer diameter of scattering chamber: 3.72″
    • radius = 4.7244 cm
  • inner diameter of CDC: 6.89″
    • radius = 8.7503 cm
  • scintillator thickness = 3 mm
  • inner surface of scintillator at 73 mm from centerline
    • segmentation of 30
    • scintillator width at inner surface = 15.35 mm
    • scintillator width at outer surface = 15.98 mm
  • plastic package width = 3.85 mm
    • times 4 -> 15.40 mm
read-out board
read-out board with cables

Materials

SiPM Readout

  • Hamamatsu S10931-100 MPPC, 3 mm × 3 mm active area, 100 micron pixels