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% \anti -- Definition.
% Produce a superscripted antiparticle: #1 with an overbar and a super-
% script #2. Looks better than \overline{{#1}^{#2}} (bar does not extend over
% superscript) or {\overline {#1}}^{#2} (superscript does not stick up above
% bar; in fact, superscript is at same height as for the charge conjugate,
% {#1}^{#2}). If you want subscripts too, you'll have to modify
% this definition to take a third argument. Math mode is assumed.
% Macro by Rich Holmes (rich@suhep.bitnet), 1/88
%
\def\anti#1#2{\vbox{\ialign{##\crcr
\hrulefill$\smash{\phantom{\scriptstyle#2}}$\crcr % the right length bar
\noalign{\kern-1pt\nointerlineskip\vskip 0.25ex} % the right spacing
$\hfil{#1}^{#2}\hfil$\crcr}}} % the right text
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\def\Kzerobar{\anti{K}{0}}
\def\Dstarbar{\anti{D}{*}} % et cetera
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