S i latorn<chr_abbr type="reg" class="dc" expan="ent" cert="no">et-hbar</chr_abbr> de <chr_abbr type="reg" class="sc" expan="qua" cert="no">q-omeg</chr_abbr>n<chr_abbr type="reg" class="dc" expan="qui" cert="no">q-vbar</chr_abbr>l <chr_var letter="s" var="long">∫</chr_var>eu<chr_abbr type="reg" class="dc" expan="ent" cert="no">et-hbar</chr_abbr> 