Measurements of prompt Doppler-corrected deexcitation γ-rays from uniquely identified fragments formed in fusion-fission reactions of the type 12C(238U,134Xe)Ru are reported. The fragments were identified in both A and Z using the magnetic spectrometer VAMOS. States built on the characteristic neutron configurations forming high spin isomers (7^− and 10+) in 134Xe are presented and compared with the predictions of shell-model calculations using a new effective interaction in the region of Z > 50 and N < 82.

A. Shrivastava, M. Caamano, M. Rejmund, A. Navin, F. Rejmund, K.-H. Schmidt, A. Lemasson, C. Schmitt, L. Gaudefroy, K. Sieja, L. Audouin, C.O. Bacri, G. Barreau, J. Benlliure, E. Casarejos, X. Derkx, B. Fernandez-Domınguez, C. Golabek, B. Jurado, T. Roger, and J. Taieb

Phys. Rev. C 80, 051305(R) (2009) .

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