\newcommand{\ttbs}{\char'134}
\newcommand{\AmS}{{\protect\the\textfont2
  A\kern-.1667em\lower.5ex\hbox{M}\kern-.125emS}}
\newcommand{\lagr}{\cal{L}}
\newcommand{\mueg}{$\mu^{+} \rightarrow e^{+}\gamma$~}
\newcommand{\meee}{$\mu \rightarrow eee$~}
\newcommand{\muenn}{$\mu \rightarrow e \nu \overline{\nu}$~}
\newcommand{\muenng}{$\mu \rightarrow e \nu \overline{\nu} \gamma$~}
\newcommand{\muec}{$\mu^{-} N \rightarrow e^{-} N$~}

\newcommand{\anl}{\mbox{$^a$}}
\newcommand{\bu}{\mbox{$^b$}}
\newcommand{\fnal}{\mbox{$^c$}}
\newcommand{\uh}{\mbox{$^d$}}
\newcommand{\icl}{\mbox{$^e$}}
\newcommand{\umass}{\mbox{$^f$}}
\newcommand{\osaka}{\mbox{$^g$}}
\newcommand{\pnnl}{\mbox{$^h$}}
\newcommand{\ucl}{\mbox{$^i$}}
\newcommand{\uw}{\mbox{$^j$}}