Difference between revisions of "FCALPMT"
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<li>The tube outer diameter is 1.339" or 34.01mm and are about 100mm long (without the pins) </li> | <li>The tube outer diameter is 1.339" or 34.01mm and are about 100mm long (without the pins) </li> | ||
<li>The current desing of the base has an outer diameter of 1.5" or 38.1mm with an length of about 157mm including the PMT-connector ring and the aluminum end cap.</li> | <li>The current desing of the base has an outer diameter of 1.5" or 38.1mm with an length of about 157mm including the PMT-connector ring and the aluminum end cap.</li> | ||
| − | <li>The quantum efficiency is about 21% with a sigma of 3%< | + | <li>The quantum efficiency is about 21% with a sigma of 3%<br> |
[[Image:qe_feu843.jpg]] | [[Image:qe_feu843.jpg]] | ||
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</li> | </li> | ||
<li>The peak sensitivity is around 400nm</li> | <li>The peak sensitivity is around 400nm</li> | ||
| − | <li>The PMT base will be a Cockroft-Walton based design. Its temperature sensitivity have been investigated [[http://argus.phys.uregina.ca/gluex/DocDB/0006/000657/001/PMT_temp.pdf | + | <li>The PMT base will be a Cockroft-Walton based design. Its temperature sensitivity have been investigated [[http://argus.phys.uregina.ca/gluex/DocDB/0006/000657/001/PMT_temp.pdf |PDF document]]</li> |
</ul> | </ul> | ||
Revision as of 17:32, 2 December 2007
PMT specifications
see also NIM A332(1993)419-443
- The PMT are russian made 12-Stage tubes of the type FEU-84-3 with a 30mm diameter SbNa-KCs cathode
- The tube outer diameter is 1.339" or 34.01mm and are about 100mm long (without the pins)
- The current desing of the base has an outer diameter of 1.5" or 38.1mm with an length of about 157mm including the PMT-connector ring and the aluminum end cap.
- The quantum efficiency is about 21% with a sigma of 3%
- The peak sensitivity is around 400nm
- The PMT base will be a Cockroft-Walton based design. Its temperature sensitivity have been investigated [|PDF document]
