A J Simons et al 2005 J. Phys. G: Nucl. Part. Phys. 31 541 doi:10.1088/0954-3899/31/7/001
Evidence for chiral structures in 130Cs
A J Simons1, P Joshi1, D G Jenkins1, P M Raddon1, R Wadsworth1, D B Fossan2, T Koike3, C Vaman2, K Starosta4, E S Paul5, H J Chantler5, A O Evans5, P Bednarczyk6 and D Curien6
Show affiliationsTwo low lying positive-parity bands in 130Cs have been examined for chiral signatures. Small energy differences between the two bands, which have been previously observed, have been confirmed and the bands, as well as the number of transitions within and between the bands, extended. The intraband B(M1)/B(E2) ratios and B(M1)intraband/B(M1)interband ratios and the energy staggering parameter, S(I), have been deduced for these partner bands. The results are found to be consistent with a chiral interpretation for the two structures. Core–quasiparticle coupling model calculations have been performed to study 130Cs assuming a triaxial core. The experimental level energies and electromagnetic properties of the bands, resulting from the 
configuration, are reasonably well reproduced by the model, providing further evidence in support of the chiral interpretation of the two structures.
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21.10.Hw Spin, parity, and isobaric spin
23.20.Lv gamma transitions and level energies
27.60.+j 90(less-than-or-equal-to)A(less-than-or-equal-to)149
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- Dates
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Issue 7 (July 2005)
Received 3 February 2005
Published 21 April 2005
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Evidence for chiral structures in 130Cs
A J Simons et al 2005 J. Phys. G: Nucl. Part. Phys. 31 541
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