Difference between revisions of "Start Counter Cheat Sheet"
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| + | [[File:SC 30 overview.png|thumb|3-D rendering of scintillator bars]] | ||
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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://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://halldweb.jlab.org/wiki/images/1/1f/Sym_30_front_2annot.pdf]] | ||
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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://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″ | ||
** radius = 4.7244 cm | ** radius = 4.7244 cm | ||
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** radius = 8.7503 cm | ** radius = 8.7503 cm | ||
* scintillator thickness = 3 mm | * scintillator thickness = 3 mm | ||
| − | * | + | * inner surface of scintillator at 73 mm from centerline |
** segmentation of 30 | ** 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 | ||
| − | [[ | + | [[File:sc_prototype_board.jpg|thumb|read-out board]] |
| + | [[File:sc_prototype_cable.jpg|thumb|read-out board with cables]] | ||
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| + | =Materials= | ||
| + | |||
| + | ==SiPM Readout== | ||
| + | |||
| + | * Hamamatsu S10931-100 MPPC, 3 mm × 3 mm active area, 100 micron pixels | ||
| + | ** [[Media:S10362-33 series kapd1023e05.pdf|Spec Sheet]] | ||
| + | ** Ordered by A. Somov, [https://www.jlab.org/Hall-D/gluex_secure/procurements/SiPM/PR%20%23%20320603.pdf PR 320603] | ||
| + | *** Note from Sascha on 3/18/21: "we decided to purchase 50 um SiPMs for all sub-detectors" | ||
Latest revision as of 13:35, 22 June 2021
- 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
Materials
SiPM Readout
- Hamamatsu S10931-100 MPPC, 3 mm × 3 mm active area, 100 micron pixels
- Spec Sheet
- Ordered by A. Somov, PR 320603
- Note from Sascha on 3/18/21: "we decided to purchase 50 um SiPMs for all sub-detectors"
