\contentsline {section}{\numberline {1}Introduction}{4}
\contentsline {section}{\numberline {2}Beam properties}{6}
\contentsline {subsection}{\numberline {2.1}Interaction rates}{7}
\contentsline {subsection}{\numberline {2.2}Tau neutrino interactions}{12}
\contentsline {subsection}{\numberline {2.3}Systematic uncertainties on the muon beam and neutrino flux}{12}
\contentsline {subsection}{\numberline {2.4}Event distributions at a near site}{13}
\contentsline {section}{\numberline {3}Oscillation physics}{17}
\contentsline {subsection}{\numberline {3.1}Theoretical framework}{17}
\contentsline {subsubsection}{\numberline {3.1.1}Neutrino Oscillations in Vacuum}{18}
\contentsline {subsubsection}{\numberline {3.1.2}Three Active Neutrinos Only}{19}
\contentsline {subsubsection}{\numberline {3.1.3}Three Active Flavor Oscillation Scenarios}{22}
\contentsline {subsubsection}{\numberline {3.1.4}Three Active and One Sterile Neutrinos}{24}
\contentsline {subsubsection}{\numberline {3.1.5}Scenarios with Three Active plus One Sterile Neutrino}{27}
\contentsline {subsection}{\numberline {3.2}Where will we be in 5-10 years ?}{28}
\contentsline {subsubsection}{\numberline {3.2.1}$\nu _\mu \rightarrow \nu _\tau $, $\nu _s$}{28}
\contentsline {subsubsection}{\numberline {3.2.2}$\nu _\mu \leftrightarrow \nu _e$}{30}
\contentsline {subsubsection}{\numberline {3.2.3}$\nu _e \rightarrow \nu _\mu $, $\nu _\tau $, $\nu _s$}{31}
\contentsline {subsection}{\numberline {3.3}The neutrino factory oscillation physics program}{34}
\contentsline {subsection}{\numberline {3.4}Detector considerations}{36}
\contentsline {subsubsection}{\numberline {3.4.1}Muon identification and measurement}{38}
\contentsline {subsubsection}{\numberline {3.4.2}$\tau $--lepton identification and measurement}{41}
\contentsline {subsubsection}{\numberline {3.4.3}A Liquid Argon neutrino detector}{42}
\contentsline {subsubsection}{\numberline {3.4.4}A magnetized Steel/Scintillator neutrino detector}{43}
\contentsline {subsubsection}{\numberline {3.4.5}A Water Cerenkov detector}{47}
\contentsline {subsubsection}{\numberline {3.4.6}Specialized $\tau $--lepton detectors}{49}
\contentsline {subsubsection}{\numberline {3.4.7}Detector summary}{52}
\contentsline {subsection}{\numberline {3.5}Oscillation measurements}{54}
\contentsline {subsubsection}{\numberline {3.5.1}Observation of $\nu _e \rightarrow \nu _\mu $ oscillations and the pattern of neutrino masses}{54}
\contentsline {subsubsection}{\numberline {3.5.2}Observation of $\nu _e \rightarrow \nu _\tau $ oscillations}{58}
\contentsline {subsubsection}{\numberline {3.5.3}Measurement of $\nu _\mu \rightarrow \nu _\tau $ oscillations}{61}
\contentsline {subsubsection}{\numberline {3.5.4}Determination of $\mathop {\mathgroup \symoperators sin}\nolimits ^2 2\theta _{13}$, $\mathop {\mathgroup \symoperators sin}\nolimits ^2 2\theta _{23}$, and $\delta m^2_{32}$}{62}
\contentsline {subsubsection}{\numberline {3.5.5}Search for CP violation}{72}
\contentsline {subsection}{\numberline {3.6}Summary}{76}
\contentsline {subsection}{\numberline {3.7}Structure function measurements at a neutrino factory}{82}
\contentsline {subsection}{\numberline {3.8}Perturbative QCD}{83}
\contentsline {subsection}{\numberline {3.9}Nuclear Effects}{84}
\contentsline {subsection}{\numberline {3.10}Spin Structure}{86}
\contentsline {subsection}{\numberline {3.11}Experimental Setup at the Neutrino Factory}{89}
\contentsline {subsection}{\numberline {3.12}Charm Production and $D^0- \overline {D}^0$ Mixing}{90}
\contentsline {subsection}{\numberline {3.13}Neutrino Magnetic Moments}{100}
\contentsline {section}{\numberline {4}Summary}{105}