\contentsline {section}{\numberline {1}Introduction}{2} \contentsline {section}{\numberline {2}Using the Software}{3} \contentsline {subsection}{\numberline {2.1}Getting the code}{3} \contentsline {subsection}{\numberline {2.2}Building the files}{3} \contentsline {subsection}{\numberline {2.3}Using the files}{4} \contentsline {subsubsection}{\numberline {2.3.1}\tt librezest.a}{4} \contentsline {subsubsection}{\numberline {2.3.2}\tt rezest\_point}{4} \contentsline {subsubsection}{\numberline {2.3.3}\tt rezest\_point\_comp}{4} \contentsline {section}{\numberline {3}How the Estimates Are Done}{5} \contentsline {subsection}{\numberline {3.1}Transverse Momentum Resolution}{6} \contentsline {subsection}{\numberline {3.2}Curvature vs.\ Momentum}{6} \contentsline {subsection}{\numberline {3.3}Error on Slope and $y$-intercept of a Straight-Line Fit, Equally Spaced Measurements}{6} \contentsline {subsection}{\numberline {3.4}Angular Error Due to Multiple Coulomb Scattering}{7} \contentsline {subsection}{\numberline {3.5}Contribution to Azimuthal Angle Resolution \\ from Curvature Resolution}{8} \contentsline {subsection}{\numberline {3.6}Geometry of the CDC}{10} \contentsline {subsection}{\numberline {3.7}Geometry of the FDC}{10} \contentsline {subsection}{\numberline {3.8}Combining the CDC and the FDC}{12} \contentsline {section}{\numberline {4}Results}{12} \contentsline {section}{\numberline {5}Conclusions}{12} \contentsline {section}{\numberline {A}Some useful equations}{12}