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

H. Wang; N. Aoi; S. Takeuchi; M. Matsushita; P. Doornenbal; T. Motobayashi; D. Steppenbeck; K. Yoneda; H. Baba; L. Cáceres; Zs Dombrádi; K. Kobayashi; Y. Kondo; J. Lee; K. Li; H. Liu; R. Minakata; D. Nishimura; H. Otsu; S. Sakaguchi; H. Sakurai; H. Scheit; D. Sohler; Y. Sun; Z. Tian; R. Tanaka; Y. Togano; Zs Vajta; Z. Yang; T. Yamamoto; Y. Ye; R. Yokoyama

doi:10.1103/PhysRevC.88.054318

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

H. Wang, N. Aoi, S. Takeuchi, M. Matsushita, P. Doornenbal, T. Motobayashi, D. Steppenbeck, K. Yoneda, H. Baba, L. Cáceres, Zs Dombrádi, K. Kobayashi, Y. Kondo, J. Lee, K. Li, H. Liu, R. Minakata, D. Nishimura, H. Otsu, S. SakaguchiH. Sakurai, H. Scheit, D. Sohler, Y. Sun, Z. Tian, R. Tanaka, Y. Togano, Zs Vajta, Z. Yang, T. Yamamoto, Y. Ye, R. Yokoyama

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Abstract

The neutron-rich, even-even 122^,124^,126Pd isotopes were studied via in-beam γ-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 21+→0gs+ decays. In addition, candidates for the 41+ states at 1164(20) and 1300(22) keV were observed in 122Pd and 124Pd, respectively. The resulting E_x(21+) systematics are similar to the Xe (Z=54) isotopic chain and theoretical predictions by the proton-neutron interacting boson model (IBM-2), indicating the magic nature of N=82 in the Pd isotopes.

Original language	English
Article number	054318
Journal	Physical Review C - Nuclear Physics
Volume	88
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevC.88.054318
Publication status	Published - Nov 19 2013
Externally published	Yes

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1103/PhysRevC.88.054318

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Wang, H., Aoi, N., Takeuchi, S., Matsushita, M., Doornenbal, P., Motobayashi, T., Steppenbeck, D., Yoneda, K., Baba, H., Cáceres, L., Dombrádi, Z., Kobayashi, K., Kondo, Y., Lee, J., Li, K., Liu, H., Minakata, R., Nishimura, D., Otsu, H., ... Yokoyama, R. (2013). Collectivity evolution in the neutron-rich Pd isotopes toward the N=82 shell closure. Physical Review C - Nuclear Physics, 88(5), [054318]. https://doi.org/10.1103/PhysRevC.88.054318

Wang, H, Aoi, N, Takeuchi, S, Matsushita, M, Doornenbal, P, Motobayashi, T, Steppenbeck, D, Yoneda, K, Baba, H, Cáceres, L, Dombrádi, Z, Kobayashi, K, Kondo, Y, Lee, J, Li, K, Liu, H, Minakata, R, Nishimura, D, Otsu, H, Sakaguchi, S, Sakurai, H, Scheit, H, Sohler, D, Sun, Y, Tian, Z, Tanaka, R, Togano, Y, Vajta, Z, Yang, Z, Yamamoto, T, Ye, Y & Yokoyama, R 2013, 'Collectivity evolution in the neutron-rich Pd isotopes toward the N=82 shell closure', Physical Review C - Nuclear Physics, vol. 88, no. 5, 054318. https://doi.org/10.1103/PhysRevC.88.054318

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title = "Collectivity evolution in the neutron-rich Pd isotopes toward the N=82 shell closure",

abstract = "The neutron-rich, even-even 122,124,126Pd isotopes were studied via in-beam γ-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 21+→0gs+ decays. In addition, candidates for the 41+ states at 1164(20) and 1300(22) keV were observed in 122Pd and 124Pd, respectively. The resulting Ex(21+) systematics are similar to the Xe (Z=54) isotopic chain and theoretical predictions by the proton-neutron interacting boson model (IBM-2), indicating the magic nature of N=82 in the Pd isotopes.",

author = "H. Wang and N. Aoi and S. Takeuchi and M. Matsushita and P. Doornenbal and T. Motobayashi and D. Steppenbeck and K. Yoneda and H. Baba and L. C{\'a}ceres and Zs Dombr{\'a}di and K. Kobayashi and Y. Kondo and J. Lee and K. Li and H. Liu and R. Minakata and D. Nishimura and H. Otsu and S. Sakaguchi and H. Sakurai and H. Scheit and D. Sohler and Y. Sun and Z. Tian and R. Tanaka and Y. Togano and Zs Vajta and Z. Yang and T. Yamamoto and Y. Ye and R. Yokoyama",

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doi = "10.1103/PhysRevC.88.054318",

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AU - Wang, H.

AU - Aoi, N.

AU - Takeuchi, S.

AU - Matsushita, M.

AU - Doornenbal, P.

AU - Motobayashi, T.

AU - Steppenbeck, D.

AU - Yoneda, K.

AU - Baba, H.

AU - Cáceres, L.

AU - Dombrádi, Zs

AU - Kobayashi, K.

AU - Kondo, Y.

AU - Lee, J.

AU - Li, K.

AU - Liu, H.

AU - Minakata, R.

AU - Nishimura, D.

AU - Otsu, H.

AU - Sakaguchi, S.

AU - Sakurai, H.

AU - Scheit, H.

AU - Sohler, D.

AU - Sun, Y.

AU - Tian, Z.

AU - Tanaka, R.

AU - Togano, Y.

AU - Vajta, Zs

AU - Yang, Z.

AU - Yamamoto, T.

AU - Ye, Y.

AU - Yokoyama, R.

PY - 2013/11/19

Y1 - 2013/11/19

N2 - The neutron-rich, even-even 122,124,126Pd isotopes were studied via in-beam γ-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 21+→0gs+ decays. In addition, candidates for the 41+ states at 1164(20) and 1300(22) keV were observed in 122Pd and 124Pd, respectively. The resulting Ex(21+) systematics are similar to the Xe (Z=54) isotopic chain and theoretical predictions by the proton-neutron interacting boson model (IBM-2), indicating the magic nature of N=82 in the Pd isotopes.

AB - The neutron-rich, even-even 122,124,126Pd isotopes were studied via in-beam γ-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 21+→0gs+ decays. In addition, candidates for the 41+ states at 1164(20) and 1300(22) keV were observed in 122Pd and 124Pd, respectively. The resulting Ex(21+) systematics are similar to the Xe (Z=54) isotopic chain and theoretical predictions by the proton-neutron interacting boson model (IBM-2), indicating the magic nature of N=82 in the Pd isotopes.

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

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