Phys.Rev. C 96, 024310 (2017)

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

High-j neutron excitations outside ¹³⁶Xe

NUCLEAR REACTIONS ¹³⁶Xe(α, ³He), E=100 MeV; measured ³He spectra and σ(θ) using Grand-Raiden (GR) magnetic spectrometer, vertical drift chambers and scintillators at RCNP-Osaka accelerator facility. Enriched ¹³⁶Xe target. ¹³⁷Xe; deduced levels, L-transfers, J, π, spectroscopic factors, configuration. DWBA calculations using different parametrizations of optical-model potentials. Discussed details and systematics of high-j, 9/2- and 13/2+ single-neutron excitations in N=83 isotones ¹³⁵Te, ¹³⁷Xe, ¹³⁹Ba, ¹⁴¹Ce, ¹⁴³Nd, ¹⁴⁵Sm, ¹⁴⁷Gd, ¹⁴⁹Dy, ¹⁵¹Er and ¹⁵³Yb, and comparison with two-level mixing model calculations.

NUCLEAR REACTIONS ¹⁴⁴Sm(α, ³He)¹⁴⁵Sm, E=100 MeV; measured reaction products; deduced absolute σ, σ(θ), outgoing ³He spectra, excitation energies, mixing matrix elements parameters, normalized spectroscopic factors.

doi: 10.1103/PhysRevC.96.024310