Hall A G2P Magnet D. G. Crabb U. Of Virginia

UVA/SLAC/JLAB Target

Test Results Magnet Ramp Test Ramped to 5.1 T and held in persistent mode for 1.75 hours. Ramp Rates Test 0 – 65 A at 1A /minute A (>5.1 T ) at 0.5 A/minute Operation 0 – 60 A at 1.2 A/minute A at 0.6A/minute 72 – A (5.1 T) at 0.3A/min Usually operate at T

To Do Make, fit and weld new cones Weld on doughnut Leak check and ship back to Jlab Note: Repaired superconducting joints will not be changed. (not enough wire) Field decay: /hour