Difference between revisions of "BigBite Spectrometer"
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===Shower/Preshower Detectors=== | ===Shower/Preshower Detectors=== | ||
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== Position Survey == | == Position Survey == | ||
Revision as of 11:41, 30 September 2008
Contents
BigBite dipole magnet
Electron Package
Electron package layout drawings
Drift Chambers
Gas Cherenkov Detector
Scintillators
Shower/Preshower Detectors
test
Position Survey
Sept 18. 2008
Notice: Terminology used in this section follows conventions of Hall A Tech Notes JLAB-TN-02-012:
BigBite Chamber center position are surveyed with laser markers and a hand held laser meter. Error could be between 1mm to 5mm.
- Center of 1st Chamber Outer Aluminum Plate in BigBite Target Coordinate System:
- X= -0.072m
- Y= unknown
- Z=2.862m
- Bigbite Magnetic in BigBite Target Coordinate System:
- Front Shielding Plate @Z=1.590m
- At Beam Height, Edge of Bigbite Coil at Detector Side @Z=2.46m
