Difference between revisions of "Device for finding/verifying the beam plane location"
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* Use CLAS12 PCAL scintillators with fiber readout to make a mini-hodoscope to find the beam position under the tagger. | * Use CLAS12 PCAL scintillators with fiber readout to make a mini-hodoscope to find the beam position under the tagger. | ||
− | * Hammamatsu H8711 Multi-anode PMT for readout from the fibers. | + | * Hammamatsu H8711 Multi-anode PMT borrowed from Hall B for the readout from the fibers. |
* The device is inside a "dark box" made of Rohacell. | * The device is inside a "dark box" made of Rohacell. | ||
* The hodoscope will be positioned under the tagger in Hall B, and the PMT output cables will go to discriminators then to a scaler module. | * The hodoscope will be positioned under the tagger in Hall B, and the PMT output cables will go to discriminators then to a scaler module. |
Revision as of 10:01, 7 February 2011
- Use CLAS12 PCAL scintillators with fiber readout to make a mini-hodoscope to find the beam position under the tagger.
- Hammamatsu H8711 Multi-anode PMT borrowed from Hall B for the readout from the fibers.
- The device is inside a "dark box" made of Rohacell.
- The hodoscope will be positioned under the tagger in Hall B, and the PMT output cables will go to discriminators then to a scaler module.