\contentsline {section}{\numberline {1}Executive Summary}{1}
\contentsline {section}{\numberline {2}Introduction}{5}
\contentsline {section}{\numberline {3}Neutrino Oscillations}{5}
\contentsline {section}{\numberline {4}Very Long Baseline Experiment}{6}
\contentsline {subsection}{\numberline {4.1}$\nu _\mu $ disappearance}{9}
\contentsline {subsection}{\numberline {4.2}$\nu _\mu \to \nu _e$ appearance}{20}
\contentsline {subsection}{\numberline {4.3}Backgrounds}{24}
\contentsline {subsection}{\numberline {4.4}Sensitivity to $\mathop {\mathgroup \symoperators sin}\nolimits ^2 2 \theta _{13}$ }{30}
\contentsline {subsection}{\numberline {4.5}Sensitivity to the CP violation parameter}{33}
\contentsline {subsection}{\numberline {4.6}Sensitivity to mass hierarchy }{39}
\contentsline {subsection}{\numberline {4.7}Sensitivity to $\Delta m^2_{21}$ }{46}
\contentsline {subsection}{\numberline {4.8}The Experimental Strategy and Program}{49}
\contentsline {subsection}{\numberline {4.9}Detectors for the very long baseline experiment}{54}
\contentsline {section}{\numberline {5}AGS Upgrade}{58}
\contentsline {subsection}{\numberline {5.1}Superconducting LINAC{}}{58}
\contentsline {subsection}{\numberline {5.2}Upgrade to 4 MW}{59}
\contentsline {subsection}{\numberline {5.3}Cost of the AGS upgrade}{60}
\contentsline {section}{\numberline {6}Neutrino Beam Design}{60}
\contentsline {subsection}{\numberline {6.1}Optimization of the wide band spectrum}{64}
\contentsline {subsection}{\numberline {6.2}Target Station}{67}
\contentsline {subsection}{\numberline {6.3}Cost of the neutrino beam}{76}
\contentsline {section}{\numberline {7} Conclusion}{80}
\contentsline {section}{\numberline {8}Appendix I Working Group Charge and Assignments}{82}
\contentsline {section}{\numberline {9}Appendix II Underground Detector Construction at Homestake}{86}
\contentsline {subsection}{\numberline {9.1}Determination of Excavation Stability}{86}
\contentsline {subsection}{\numberline {9.2}Construction of Multiple 100 kiloton Modules in the Homestake Mine}{86}
\contentsline {subsection}{\numberline {9.3}Construction Timetable and Cost}{87}
\contentsline {subsection}{\numberline {9.4}Rock Removal}{88}
\contentsline {subsection}{\numberline {9.5}Equipment Cost}{88}
\contentsline {subsection}{\numberline {9.6}Choice of Depth and Depth Dependent Cost}{88}
\contentsline {subsection}{\numberline {9.7}What Lessons About Depth Can be Learned from Previous Experience?}{89}
\contentsline {subsection}{\numberline {9.8}Comparison of Costs at 4850 ft versus 6950 ft}{90}
\contentsline {section}{\numberline {}{List of Figures}}{92}
\contentsline {section}{\numberline {}{List of Tables}}{95}
\contentsline {section}{\numberline {}{References}}{96}