A rotational band of 16
-rays has been found in
131Ce with a high moment of inertia indicating a deformation
2
0.38 and extending to spin
40
. Its intensity is
5% of the total in
131Ce, confirming a difference in the intensity systematics for superdeformed states in Ce nuclei compared with Nd.
PACS numbers 21.10.Re - 23.20.Lv - 27.60.+j