Difference between revisions of "PMT & Divider"

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(→‎PMT Active Base)
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*[https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=4361 Estimates of the PMT Anode Current of the CCAL (FCAL2) Modules]
 
*[https://halldweb.jlab.org/doc-private/DocDB/ShowDocument?docid=4361 Estimates of the PMT Anode Current of the CCAL (FCAL2) Modules]
  
 +
* [https://halldweb.jlab.org/detectors/fcal2/dividers/vlad_modify/Comcal_with_Vlad_mods.pdf  Schematic of the modified active base]
  
 
'''Documents'''
 
'''Documents'''
  
 
:: [https://halldweb.jlab.org/detectors/fcal2/pmt/Pub-97-092.pdf PMT lifetime studies at FNAL]
 
:: [https://halldweb.jlab.org/detectors/fcal2/pmt/Pub-97-092.pdf PMT lifetime studies at FNAL]

Revision as of 11:49, 9 September 2020

PMTs

  • Hamamatsu R4125 PMT:
Specs
gain-HV
socket
Dynode location
Hamamatsu PMT manual
  • Magnetic shielding
  • TOSCA calculation (by Sasha Glamazdin)
presentation
(ppt file location /u/group/halld/Subsystems/HFCal/talk/Hybrid_FCal_shield.pptx)
Directory with TOSCA results /u/group/halld/Subsystems/HFCal/.
Prototype of the PMT housing (magnetic field shielding)




PMT Active Base


Modified Active Bases (2020)

Three active bases were modified by V.Popov. They were installed and testes using the CCAL

Documents

PMT lifetime studies at FNAL
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