<chr_abbr type="reg" class="dc" expan="Que" cert="no">Q-hbar</chr_abbr> <chr_abbr type="reg" class="dc" expan="" cert="no">p-til</chr_abbr> <chr_var letter="s" var="long">∫</chr_var>a<chr_abbr type="reg" class="dc" expan="" cert="no">m-til</chr_abbr> <chr_var letter="s" var="long">∫</chr_var>'onor enpert’ 