<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> u<chr_abbr type="reg" class="dc" expan="" cert="no">re-hbar</chr_abbr> b<chr_abbr type="reg" class="dc" expan="" cert="no">n-hbar</chr_abbr> ledemanc’ 