16. The spin, I of ground state for even-even nucleus is zero. But for odd nuclei, I 0. for example has ground state spin (lo =7/2) and the spins for the first excited states are (9/2) and (11/2). Evaluate the ratio E(11/2)/E(9/2). Hint: use E(I)rot where 1- (lo+), (lo+2). (lo+3), etc, and I is the moment of inertia of the nucleus about an axis through the center perpendicular to the axis of symmetry. 2.22 A) 0.84 (10+1) %3D (lo+1)) B) 2.81 C) 2.22 D) 3.42 E) 1.24
16. The spin, I of ground state for even-even nucleus is zero. But for odd nuclei, I 0. for example has ground state spin (lo =7/2) and the spins for the first excited states are (9/2) and (11/2). Evaluate the ratio E(11/2)/E(9/2). Hint: use E(I)rot where 1- (lo+), (lo+2). (lo+3), etc, and I is the moment of inertia of the nucleus about an axis through the center perpendicular to the axis of symmetry. 2.22 A) 0.84 (10+1) %3D (lo+1)) B) 2.81 C) 2.22 D) 3.42 E) 1.24
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Transcribed Image Text:A) 1. 2, 3, and 4
B) I and 3
16. The spin,I of ground state for even-even nucleus is zero. But for odd nuclei, I= 0. Neodymium (Nd)
for example has ground state spin (lo =7/2) and the spins for the first excited states are (9/2)
and (11/2). Evaluate the ratio E(11/2)/E(9/2). Hint: use E(1)rot =
143
(le+1)
%3D
21
where 1= (lo+1), (lo+2). (lo+3), etc, and I is the moment of inertia of the nucleus about an axis
through the center perpendicular to the axis of symmetry. 2.22
A) 0.84
B) 2.81
C) 2.22
D) 3.42
E) 1.24
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