Solid Polarized Target

This page has been moved to https://solid.jlab.org/wiki/index.php/Polarized_Target in the new SoLID Wiki. Please do not edit this page.

Quick Links

• G2p Target Summary
• Anneal Summary Table
• Target eLog - Operators, check this twice a shift to ensure screenshots are current!
• Target Troubleshooting Procedures

Training Materials

Training for g2p target operators will consist of a brief online quiz on the topics covered here on the Wiki, followed by a practical course when the target is installed and running in the hall. The primer is also available as a PDF: File:G2p target primer.pdf.

• Practical Primer on the UVa Target
• Polarization Display Panel (PDP) Overview
• Target Operator Duties
• Target Training Slides

Take the quiz after you've read the above primer closely, and taken a look at the two others as well:

• Online Target Operator Quiz
  • List of Certified Target Operators

Operational Procedures

• PDP Restart Procedure
• Cryo Screen Restart Procedure
• Target Movement Procedure
• New Baseline Procedure
• Thermal Equilibrium Measurement Procedure
• Prepare Frig for Polarization
• Anneal Procedure (Experts only)
• Running with No Helium for Optics (Experts only)
• Target Replacement Procedure (Experts only)
• Magnet Energization Procedure (Experts only)

g2p Target Documents

• Target Logbook
• Introduction to the Target by P. Zhu
• Target cooled down
• Design Criteria for Polarized Target Vacuum Dewar, Oxford Instruments, 1991
• Relief Analysis of Hall C Polarized Target
• Relief Analysis of Hall B Polarized Target
• Hall B Magnet Refit Calculations (under review)

Links

University of Virginia Target Group Links:

• UVa Target Group Homepage
• Target Page on SANE Wiki
• Target Photos and Procedures from Donal's Webpage

Pertinent Papers:

• A solid polarized target for high-luminosity experiments, T.O. Averrett et al.
• SOLID POLARIZED TARGETS FOR NUCLEAR AND PARTICLE PHYSICS EXPERIMENTS, DG Crabb, W Meyer
• Proton Polarization in Irradiated Ammonia DG Crabb et al.
• Observations of radiation damage and recovery in ammonia targets, P. McKee
• RADIATION DAMAGE AND RECOVERY IN POLARIZED 14NH3 AMMONIA TARGETS AT JEFFERSON LAB, J. Maxwell