\contentsline {section}{\numberline {1}Purpose and Summary}{1}{section.1} \contentsline {section}{\numberline {2}Introduction}{1}{section.2} \contentsline {section}{\numberline {3}Description}{1}{section.3} \contentsline {section}{\numberline {4}Quartz Tube/WLS (QT/WLS) Bar Assemblies}{3}{section.4} \contentsline {section}{\numberline {5}Pressure Vessel Design}{5}{section.5} \contentsline {subsection}{\numberline {5.1}Layout}{5}{subsection.5.1} \contentsline {subsection}{\numberline {5.2}PMT Head}{5}{subsection.5.2} \contentsline {subsection}{\numberline {5.3}Design Requirements}{5}{subsection.5.3} \contentsline {subsection}{\numberline {5.4}Pressure Vessel Construction Issues}{6}{subsection.5.4} \contentsline {subsubsection}{\numberline {5.4.1}CF Flange 36 PMT Torispheric Head}{6}{subsubsection.5.4.1} \contentsline {subsection}{\numberline {5.5}Welded-in 60 PMT Torispheric Head (option)}{6}{subsection.5.5} \contentsline {subsubsection}{\numberline {5.5.1}Assembly of Pressure Vessel}{7}{subsubsection.5.5.1} \contentsline {section}{\numberline {6}Gas System Requirements}{7}{section.6} \contentsline {subsection}{\numberline {6.1}General}{7}{subsection.6.1} \contentsline {subsection}{\numberline {6.2}Parameters}{7}{subsection.6.2} \contentsline {subsection}{\numberline {6.3}Pressure Control}{8}{subsection.6.3} \contentsline {subsection}{\numberline {6.4}Flow control}{8}{subsection.6.4} \contentsline {subsection}{\numberline {6.5}Gas Purification}{8}{subsection.6.5} \contentsline {subsection}{\numberline {6.6}Xenon Reclamation}{8}{subsection.6.6} \contentsline {subsection}{\numberline {6.7}Vacuum}{8}{subsection.6.7} \contentsline {section}{\numberline {7}R\&D}{8}{section.7} \contentsline {subsection}{\numberline {7.1}Quartz Tube/WLS Assemblies}{8}{subsection.7.1} \contentsline {subsubsection}{\numberline {7.1.1}WLS Coating Performance and Longevity}{8}{subsubsection.7.1.1} \contentsline {subsection}{\numberline {7.2}Pressure Vessel}{9}{subsection.7.2} \contentsline {subsection}{\numberline {7.3}High Voltage Insulation}{9}{subsection.7.3} \contentsline {subsubsection}{\numberline {7.3.1}Manufacturing Feasibility}{10}{subsubsection.7.3.1} \contentsline {subsection}{\numberline {7.4}Xenon Vessel}{10}{subsection.7.4} \contentsline {subsection}{\numberline {7.5}SiPM}{10}{subsection.7.5}