Eur. Phys. J. A 11, 5-8 (2001)
Short NoteR. Kumar1, D. Mehta1, N. Singh1, H. Kaur1, A. Görgen2, S. Chmel2, R.P. Singh3 and S. Murlithar3
Rotational bands in the doubly odd 130Cs nucleus
1 Department of Physics, Panjab University, Chandigarh 160 014, India
2 Institut für Strahlen und Kernphysik, Nussallee 14-16, Bonn, Germany
3 Nuclear Science Centre, Aruna Asaf Ali Marg, New Delhi 110 067, India
(Received: 20 February 2001 / Revised version: 3 May 2001 Communicated by D. Schwalm)
The band structures built on the 5- isomeric state ( T1/2=3.46 m) in the doubly odd 130Cs nucleus have been established up to via the 124Sn(11B, 5n)130Cs reaction. The previously observed bands based on the , and configurations and a positive-parity side band with multiple connections to the signature partner of the yrast band have been extended to higher spins. A new band based on the configuration is observed. The yrast band exhibits anomalous signature splitting whose magnitude decreases up to spin 15 and then increases without restoring the normal signature splitting.
21.10.Re - Collective levels.
23.20.Lv - transitions and level energies.
21.60.-n - Nuclear-structure models and methods.
27.60.+j - .
© Società Italiana di Fisica, Springer-Verlag 2001