PoS - Proceedings of Science
Volume 324 - XVII International Workshop on Polarized Sources, Targets & Polarimetry (PSTP2017) - Polarized solid targets
A Dynamically Polarized Solid Target for CLAS12
C. Keith*  on behalf of the Jefferson Lab Target Group and thr CLAS Collaboration
Full text: pdf
Pre-published on: May 31, 2018
Published on: June 14, 2018
The 12 GeV physics program in Hall B at Jefferson Lab will be centered on the newly commissioned, high acceptance spectrometer CLAS12 and will utilize a variety of nuclear targets, including a dynamically polarized solid target for experiments on longitudinally polarized protons, deuterons, and lithium nuclei. The target, under construction in a collaborative effort between the Jefferson Lab Target Group, Christopher Newport University, Old Dominion University, and the University of Virginia, is designed with a number of innovative features. These include multiple target cells for reduced systematic uncertainties, internal superconducting shim coils to adjust the polarizing magnetic field, and a 1 K evaporation refrigerator with an integrated load lock system for the target samples. The current status of the system's design, construction, and various R&D efforts are described.
DOI: https://doi.org/10.22323/1.324.0008
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