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Title: Electrons on the HDice target: Results and analysis of test runs at JLab in 2012

During the Jefferson Labaratory E06-101 (g14) experiment \cite{g14} utilizing photons on solid HD and performed in Hall B, two opportunities arose for targets to be subjected to multi-GeV electron beams in week-long campaigns of dose accumulation and NMR polarization measurements. This was in preparation for conditionally approved electron experiments after the 12 GeV JLab upgrade\cite{trans}. Besides the important thermal effects, evidence consistent with screening of the NMR and with decay of the target polarization was observed during bombardment and for a time afterwards. The solid hydrogens have been the subject of previous radiation damage studies, both for possible polarized DT fusion\cite{Forrest97} and for production of dynamically polarized nuclear targets\cite{Radtke04}. We synthesize all this information into an overall picture that can guide on-going development of the HDice target system for future use.
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Publication Date:
OSTI Identifier:
Report Number(s):
JLAB-PHY-13-1831; DOE/OR/23177-2950
DOE Contract Number:
Resource Type:
Resource Relation:
Journal Name: Proceedings of Science PSTP2013; Conference: PSTP 2013, Charlottesville, VA, USA, September 9-13, 2013
Research Org:
Thomas Jefferson National Accelerator Facility, Newport News, VA (United States)
Sponsoring Org:
USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Country of Publication:
United States