First observation of excited states in {sup 118}Cs : signature inversion in the {pi}h{sub 11/2}{direct_product}{nu}h{sub 11/2} band.
Excited states have been observed for the first time in the very neutron-deficient odd-odd {sub 55}{sup 118}Cs nucleus. A doubly-decoupled band based on the {pi}(h{sub 11/2}) {circle_times} operator {nu}(h{sub 11/2}) configuration has been identified to spins over 30 h{prime}. The band has been assigned to {sup 118}Cs using {gamma}-recoil and {gamma}-X-ray coincidences. A low-spin signature inversion is observed between 16 and 17 h{prime}. The band is discussed with respect to the systematics of signature inversion in odd-odd A {approx} 120 nuclei.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- ER
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 938030
- Report Number(s):
- ANL/PHY/JA-25885
- Journal Information:
- Phys. Lett. B, Journal Name: Phys. Lett. B Journal Issue: Jul. 1997 Vol. 406; ISSN PYLBAJ; ISSN 0370-2693
- Country of Publication:
- United States
- Language:
- ENGLISH
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