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C.D. Keith; M.L. Seely; O. Dzyubak
Thomas Jefferson National Accelerator Facility, Newport News, VA (United States). Funding organisation: USDOE - Office of Energy Research (ER) (United States)2005
Thomas Jefferson National Accelerator Facility, Newport News, VA (United States). Funding organisation: USDOE - Office of Energy Research (ER) (United States)2005
AbstractAbstract
[en] A frozen spin target for the CEBAF Large Acceptance Spectrometer (CLAS) is under construction for a series of experiments that scatter tagged, polarized photons from both longitudinally and transversely polarized protons. Compared to the polarized target previously used inside CLAS, the proposed frozen spin target will better utilize the spectrometer's nearly 4pi acceptance. The target material will be dynamically polarized at 5 T and 0.3 K and then cooled to about 0.05 K by a horizontal 3He/4He dilution refrigerator. The polarization will be preserved by internal superconducting coils providing 0.3-0.5 T
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1 Feb 2005; vp; GDH 2004; Norfolk, VA (United States); 2-5 Jun 2004; DOE/ER--40150-4340; AC05-84ER40150; Available from http://www1.jlab.org/Ul/Publications/documents/201__GDH04.pdf; PURL: https://www.osti.gov/servlets/purl/915235-4SP68q/
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