<chr_abbr type="reg" class="dc" expan="Que" cert="no">Q-hbar</chr_abbr> le au<chr_abbr type="reg" class="dc" expan="er" cert="no">[apost]</chr_abbr> uo<chr_var letter="s" var="long">∫</chr_var> <chr_var letter="s" var="long">∫</chr_var>igr<chr_abbr type="reg" class="dc" expan="ant" cert="no">at-hbar</chr_abbr> coro<chr_var letter="s" var="long">∫</chr_var> 