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Collectivity evolution in the neutron-rich Pd isotopes towards the N=82 shell closure

Abstract : The neutron-rich, even-even 122,124,126Pd isotopes has been studied via in-beam gamma-ray spectroscopy at the RIKEN Radioactive Isotope Beam Factory. Excited states at 499(9), 590(11), and 686(17) keV were found in the three isotopes, which we assign to the respective 2+ -> 0+ decays. In addition, a candidate for the 4+ state at 1164(20) keV was observed in 122Pd. The resulting Ex(2+) systematics are essentially similar to those of the Xe (Z=54) isotopic chain and theoretical prediction by IBM-2, suggesting no serious shell quenching in the Pd isotopes in the vicinity of N=82.
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http://hal.in2p3.fr/in2p3-00906583
Contributor : Michel Lion <>
Submitted on : Thursday, November 21, 2013 - 9:20:24 AM
Last modification on : Monday, April 23, 2018 - 9:46:01 PM

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H. Wang, N. Aoi, S. Takeuchi, M. Matsushita, P. Doornenbal, et al.. Collectivity evolution in the neutron-rich Pd isotopes towards the N=82 shell closure. Physical Review C, American Physical Society, 2013, 88, pp.054318. ⟨10.1103/PhysRevC.88.054318⟩. ⟨in2p3-00906583⟩

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