\contentsline {section}{\numberline {1}Introduction}{1} \contentsline {section}{\numberline {2}Experimental Apparatus}{1} \contentsline {subsection}{\numberline {2.1}Absorber}{1} \contentsline {subsection}{\numberline {2.2}Counters}{2} \contentsline {subsection}{\numberline {2.3}Electronic modules}{2} \contentsline {subsubsection}{\numberline {2.3.1}Discriminator}{3} \contentsline {subsubsection}{\numberline {2.3.2}Logic}{3} \contentsline {subsubsection}{\numberline {2.3.3}Gate generator}{3} \contentsline {subsubsection}{\numberline {2.3.4}Time to amplitude converter}{4} \contentsline {subsection}{\numberline {2.4}Data acquisition system}{4} \contentsline {subsection}{\numberline {2.5}Other equipment}{4} \contentsline {section}{\numberline {3}Procedure}{4} \contentsline {subsection}{\numberline {3.1}Calibration}{5} \contentsline {subsection}{\numberline {3.2}Counter characterization}{5} \contentsline {subsection}{\numberline {3.3}Logic setup}{6} \contentsline {subsection}{\numberline {3.4}Measurement}{6} \contentsline {section}{\numberline {4}Results}{6} \contentsline {subsection}{\numberline {4.1}Calibration}{6} \contentsline {subsection}{\numberline {4.2}Counter characterization}{6} \contentsline {subsection}{\numberline {4.3}Measurement}{7} \contentsline {section}{\numberline {5}Analysis and Interpretation}{7} \contentsline {subsection}{\numberline {5.1}Theory}{7} \contentsline {subsection}{\numberline {5.2}Experiment}{7} \contentsline {section}{\numberline {6}Conclusion}{8} \contentsline {section}{\numberline {7}Tables and Figures}{8}