Hall C Document 848-v11

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Misc (S)HMS (pre)Shower XP3462 PMT and Base Documents

Document #:
HallC-doc-848-v11
Document type:
Documentation
Submitted by:
Dave Mack
Updated by:
Dave Mack
Document Created:
29 Mar 2017, 12:13
Contents Revised:
20 Apr 2017, 17:56
Metadata Revised:
20 Apr 2017, 17:56
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  • Public document
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HallC-doc-848-v10
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01 Apr 2017, 19:12
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01 Apr 2017, 19:03
Abstract:
Here I gather information on the XP3462 PMT's used in the HMS and SHMS (pre)Shower detectors. The entire HMS calorimeter, and the SHMS pre-shower, use bases fabricated by Nanometrics. (See Fig 11 of the NIM article at https://hallcweb.jlab.org/doc-private/ShowDocument?docid=809 .) The SHMS shower counter blocks use legacy XP3461 pmts which are clearly similar to the XP3462, but no datasheet is available; they also use a different voltage divider which is soldered directly to the pins.
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