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Project Progress Summary
23 October 1990
Semi-Annual Review
Project preparations for a November review are continuing, although the date has not been set yet.
Injector and Front-End Test
-Beam viewers in the injector became operational in preparation for a 100-kV beamline test planned for this week.
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Members of the Jefferson Lab community are invited to join Jefferson Lab Director Stuart Henderson, Jefferson Lab Associate Director for Experimental Nuclear Physics Rolf Ent, representatives from the U.S. Department of Energy, elected officials and others to mark the start of a new journey in nuclear physics.
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Year Title Experiment Spokesperson
2010-2012Qweak E08-016 Carlini, Finn, Kowalski, Page -
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Features:
- Conservative Superconducting Cold Fe Design
- Q2 & Q3 are Identical & Cryostable
- Multipole Windings
Specifications:
Q1 Q2/Q3 Gradient 605 G/cm 445 G/cm "Good Field" Radius 22 cm 30 cm Pole Tip Field 1.5 T 1.56 T Radius to Pole -
Features:
- Flat Racetrack, Cryostable Coils
- No Negative Curvature on Coil
- Graded Air Gap
- Flat Poles
- All Yoke Pieces <20 tons
Specifications:
Gap 421 cm Good Field Width +/- 30 cm Bend Angle 25o Max. Pole Tip Field 1.66 T (6 GeV/c) Dynamic Field Range 10:1 Field Uniformity B/B -
Performance of HMS Studied for Two Tunes:
Parallel ⇒ Point Best in plane angle accuracy. Point ⇒ Point Best vertex reconstruction. HMS Transmission Efficiency Studied as Functions of:
- Target location offsets
- Momentum offsets