\documentclass{mythesis}
\usepackage{mythesis}
\usepackage{hyperref}
\usepackage{booktabs}
\usepackage{tabularx}
\usepackage{color}

\input{custom_macro.tex}
%% You can set the line spacing this way
%\setallspacing{double}
%% or a section at a time like this
%\setfrontmatterspacing{double}

%% PDF metadata
\makeatletter
\@ifpackageloaded{hyperref}{%
\hypersetup{%
	pdftitle = {A Study of Muon Capture for Muon to Electron Conversion
	Experiments},
	pdfsubject = {Nam H Tran's PhD thesis},
	pdfkeywords = {muon capture, muon to electron conversion, COMET},
	pdfauthor = {\textcopyright\ Nam Hoai Tran}
}
}{}
\makeatother

%% Define the thesis title and author
\title{A Study of Muon Capture for \\Muon to Electron Conversion Experiments}
\author{Nam Hoai Tran}

%% Start the document
\begin{document}

%% Define the un-numbered front matter (cover pages, rubrik and table of contents)
\begin{frontmatter}
  \input{chapters/frontmatter}
\end{frontmatter}

%% Start the content body of the thesis
\begin{mainmatter}
  %% Actually, more semantic chapter filenames are better, like "chap-bgtheory.tex"
  \input{chapters/chap1}
  %\input{chapters/chap2}
  %\input{chapters/chap3}
  %\input{chapters/chap4}
  %\input{chapters/chap5}
  %\input{chapters/chap6}
  %% To ignore a specific chapter while working on another,
  %% making the build faster, comment it out like this:
  %\input{chapters/chap4}
\end{mainmatter}

%% Produce the appendices
\begin{appendices}
  %\input{chapters/appendices}
\end{appendices}

%% Produce the un-numbered back matter (e.g. colophon,
%% bibliography, tables of figures etc., index...)
\begin{backmatter}
  \input{chapters/backmatter}
\end{backmatter}

%% Close
\end{document}