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arXiv · 1707.07073

High-$j$ neutron excitations outside $^{136}$Xe

R. Talwar·B. P. Kay·A. J. Mitchell·S. Adachi·J. P. Entwisle·Y. Fujita·G. Gey·S. Noji·H. J. Ong·J. P. Schiffer·A. Tamii
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Abstract

The $\nu0h_{9/2}$ and $\nu0i_{13/2}$ strength at $^{137}$Xe, a single neutron outside the $N=82$ shell closure, has been determined using the $^{136}$Xe($\alpha$,$^3$He)$^{137}$Xe reaction carried out at 100 MeV. We confirm the recent observation of the second 13/2$^+$ state and reassess previous data on the 9/2$^-$ states, obtaining spectroscopic factors. These new data provide additional constraints on predictions of the same single-neutron excitations at $^{133}$Sn.

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R. Talwar, B. P. Kay, A. J. Mitchell, S. Adachi, J. P. Entwisle, Y. Fujita, G. Gey, S. Noji, H. J. Ong, J. P. Schiffer, A. Tamii. 2017-07-21. High-$j$ neutron excitations outside $^{136}$Xe. https://doi.org/10.1103/physrevc.96.024310

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