BigBite Spectrometer

From Hall A Wiki
Revision as of 12:47, 27 October 2008 by Jiang (Talk | contribs) (Electron package layout drawings)

Jump to: navigation, search

BigBite dipole magnet

Electron Package

Electron package layout drawings

o  Detector package with dimensions, updated by Al  10/27/2008. side view and top view

Gas Cherenkov Detector


Shower/Preshower Detectors

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