<chr_abbr type="reg" class="dc" expan="Qui" cert="no">Q-vbar</chr_abbr> tant b<chr_abbr type="reg" class="dc" expan="" cert="no">n-hbar</chr_abbr> je<chr_var letter="s" var="long">∫</chr_var>toit b<chr_abbr type="reg" class="dc" expan="" cert="no">n-hbar</chr_abbr> a<chr_var letter="s" var="long">∫</chr_var>i<chr_var letter="s" var="long">∫</chr_var> 