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 | + | * Hammamatsu H8711 Multi-anode PMT for 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 | + | * 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. |
| − | [[Image:planeFinderSketch.jpg|thumb|left|700px|Sketch of the device to find/verify the beam plane under Hall B | + | |
| + | <br/ clear="all"> | ||
| + | [[Image:planeFinderSketch.jpg|thumb|left|700px|Sketch of the device to find/verify the beam plane under Hall B tagger.]] | ||
| + | |||
| + | <br/ clear="all"> | ||
| + | [[Image:planeFinderPhotoTop.jpg|thumb|left|300px|Top view of the device to find/verify the beam plane under Hall B tagger.]][[Image:planeFinderPhotoSide.jpg|thumb|left|300px|Side view of the device to find/verify the beam plane under Hall B tagger.]] | ||
Revision as of 10:00, 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 for 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.
