1a
for the ground level we have
µ = g µN I / \hbar.
For the ground level we insert: I = 1/2 and µ= -0.5948861.
For the 245keV level we insert: I=5/2 and µ= -0.766.
1b
For the electron we use
µJ = g µB J/ \hbar ==> g = 10^{-3} \hbar /J
1c
For the free neutron we have
µ = g s µN = -1.91µN
.
