M out <chr_abbr type="reg" class="dc" expan="" cert="no">p-hbar</chr_abbr><chr_var letter="s" var="long">∫</chr_var> dechi q<chr_abbr type="reg" class="sc" expan="uant" cert="no">nt-alpha</chr_abbr>il <chr_abbr type="frq" class="ss" expan="et" cert="yes">et1</chr_abbr> no<chr_var letter="s" var="long">∫</chr_var>. 