hypothetical) <!-- MATH
 $0 \rightarrow k$
 -->
<SPAN CLASS="MATH"><IMG
 STYLE=""
 SRC="img113.svg"
 ALT="$0 \rightarrow k$"></SPAN> transitions, <!-- MATH
 $Mn(Ek)= \langle k || Ek || 0 \rangle$
 -->
<SPAN CLASS="MATH"><IMG
 STYLE=""
 SRC="img114.svg"
 ALT="$Mn(Ek)= \langle k \vert\vert Ek \vert\vert 0 \rangle$"></SPAN>.
<BR>
Mn(E2) is related to the intrinsic quadrupole moment in the rotational model by
<!-- MATH
 $Mn(Ek) = Q _ 0 ~ \sqrt {5 / {16 \pi}}$
 -->
<SPAN CLASS="MATH"><IMG
 STYLE=""
 SRC="img115.