%% Generated from 046.xp on Sun May 30 14:08:51 EDT 2010 by
%% ePiX-1.2.4
%% 
%%   Cartesian bounding box: [0,1] x [-0.25,0.25]
%%   Actual size: 3 x 0.5in
%%   Figure offset: left by 0in, down by 0in
%% 
%% usepackages tikz
%% 
\xdefinecolor{rgb_000000}{rgb}{0,0,0}%
\begin{tikzpicture}
\pgfsetlinewidth{0.4pt}
\useasboundingbox (0in,0in) rectangle (3in,0.5in);
\pgfsetlinewidth{0.8pt}
\draw (0in,0.25in)--(1.5in,0.25in)--(3in,0.25in);
\pgftext[at={\pgfpoint{0.15in}{0.305348in}}] {\makebox(0,0)[b]{\hbox{\color{rgb_000000}$B$}}}
\pgftext[at={\pgfpoint{0.9in}{0.305348in}}] {\makebox(0,0)[b]{\hbox{\color{rgb_000000}$B'$}}}
\pgftext[at={\pgfpoint{2.4in}{0.305348in}}] {\makebox(0,0)[b]{\hbox{\color{rgb_000000}$n$}}}
\pgftext[at={\pgfpoint{3in}{0.305348in}}] {\makebox(0,0)[b]{\hbox{\color{rgb_000000}$n'$}}}
\pgftext[at={\pgfpoint{0.15in}{0.25in}}] {\makebox(0,0){\hbox{\color{rgb_000000}$\rule{0.5pt}{6pt}$}}}
\pgftext[at={\pgfpoint{0.9in}{0.25in}}] {\makebox(0,0){\hbox{\color{rgb_000000}$\rule{0.5pt}{6pt}$}}}
\pgftext[at={\pgfpoint{2.4in}{0.25in}}] {\makebox(0,0){\hbox{\color{rgb_000000}$\rule{0.5pt}{6pt}$}}}
\pgftext[at={\pgfpoint{3in}{0.25in}}] {\makebox(0,0){\hbox{\color{rgb_000000}$\rule{0.5pt}{6pt}$}}}
\pgftext[at={\pgfpoint{1.5in}{0in}}] {\makebox(0,0)[c]{\hbox{\color{rgb_000000}\textsc{Fig.~8.}}}}
\end{tikzpicture}