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  \definecolor{orange}{RGB}{192,128,64}
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  %%  \draw[very thin,color=gray] (-0.1,-1.1) grid (3.9,3.9);

  %% does not work inside tikz file (have to bipo_signal.tex file)
  %% \draw[smooth,color=blue,domain=0:1] plot[id=beta] function{-50*x*exp(-10*x)};
  %% \draw[->] (-0.2,-2) -- (4.2,-2);
  %% \draw[smooth,color=red,domain=0:1,xshift=1cm] plot[id=alpha1] function{-2+-10*x*exp(-10*x)};
  %% \draw[smooth,color=red,domain=0:1,xshift=3.cm,dashed] plot[id=alpha2] function{-2+-10*x*exp(-10*x)};

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  \draw[->] (-0.2,0) -- (4.2,0) node[right] {temps};
  \draw[->] (-0.2,-1.5) -- (4.2,-1.5);

  \path (0.5,-1.8) node[text=red] {\Esize$^\text{212}$BiPo};
  \path (0.5,-1.8) node[text=red,xshift=3.0cm] {\Esize$^\text{214}$BiPo};

  \path (0.5,-1.8) node[text=red,yshift=-0.4cm] {\scriptsize$\sim$\unit[300]{ns}};
  \path (0.5,-1.8) node[text=red,xshift=3.0cm,yshift=-0.4cm] {\scriptsize$\sim$\unit[164]{$\mu$s}};
\end{tikzpicture}
%% Configure (x)emacs for this file ...
%% Local Variables:
%% mode: latex
%% End: