Difference between revisions of "Qweak Qsqrd Tracking"
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| − | =Tracking system Description= | + | =Tracking system Description= |
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| + | The Qweak tracking system is composed of three tracking regions. Region 1 is a GEM based ionization chamber which measures the radial distance of a hit from the beam pipe center and is located 50 cm away from a 20 cm long target. Region 2 is a drift chamber with 6 layers located 1.5 m from target center. A Torous magnet is place centered 2 meters from the target which selects elasticly scattered electrons that pass through a primary collimator just before the magnet. Region 2 is another drift chamber located just in front of the quartz cherenkov detectors. A scintillator appears after the quartz cherenkov detector which is used to trigger the tracking system. | ||
=<math>Q^2</math> for Elastic Scattering= | =<math>Q^2</math> for Elastic Scattering= | ||
Revision as of 03:00, 6 February 2009
Tracking system Description
The Qweak tracking system is composed of three tracking regions. Region 1 is a GEM based ionization chamber which measures the radial distance of a hit from the beam pipe center and is located 50 cm away from a 20 cm long target. Region 2 is a drift chamber with 6 layers located 1.5 m from target center. A Torous magnet is place centered 2 meters from the target which selects elasticly scattered electrons that pass through a primary collimator just before the magnet. Region 2 is another drift chamber located just in front of the quartz cherenkov detectors. A scintillator appears after the quartz cherenkov detector which is used to trigger the tracking system.
