Nuclear structure explored by β-delayed decay spectroscopy of spin-polarized radioactive nuclei at TRIUMF ISAC-1: Intruder configurations in 29Mg and 30Mg, the nuclei in the region of island of inversion

T. Shimoda; K. Tajiri; K. Kura; A. Odahara; M. Suga; Y. Hirayama; N. Imai; H. Miyatake; M. Pearson; C. D.P. Levy; K. P. Jackson; R. Legillon; C. Petrache; T. Fukuchi; N. Hamatani; T. Hori; M. Kazato; Y. Kenmoku; T. Masue; H. Nishibata; T. Suzuki; A. Takashima; R. Yokoyama

doi:10.1007/s10751-013-0895-5

Nuclear structure explored by β-delayed decay spectroscopy of spin-polarized radioactive nuclei at TRIUMF ISAC-1: Intruder configurations in ²⁹Mg and ³⁰Mg, the nuclei in the region of island of inversion

T. Shimoda, K. Tajiri, K. Kura, A. Odahara, M. Suga, Y. Hirayama, N. Imai, H. Miyatake, M. Pearson, C. D.P. Levy, K. P. Jackson, R. Legillon, C. Petrache, T. Fukuchi, N. Hamatani, T. Hori, M. Kazato, Y. Kenmoku, T. Masue, H. NishibataT. Suzuki, A. Takashima, R. Yokoyama

Research output: Contribution to journal › Article › peer-review

11 Citations (Scopus)

Abstract

Spin-polarized radioactive nuclear beams at TRIUMF enable a new spectroscopic method which efficiently assigns spins and parities of the daughter levels by taking advantage of the asymmetric β-decay of the polarized parent nucleus. This method was successfully applied to structure studies of ²⁹Mg and ³⁰Mg in connection with the physics of the "island of inversion". In ²⁹Mg, two low-lying levels with intruder configuration were assigned. In ³⁰Mg, coexistence of spherical shape, prolate shape and γ-collectivity was strongly suggested.

Original language	English
Pages (from-to)	183-191
Number of pages	9
Journal	Hyperfine Interactions
Volume	225
Issue number	1-3
DOIs	https://doi.org/10.1007/s10751-013-0895-5
Publication status	Published - Jan 2014
Externally published	Yes

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Nuclear and High Energy Physics
Condensed Matter Physics
Physical and Theoretical Chemistry

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10.1007/s10751-013-0895-5

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Shimoda, T., Tajiri, K., Kura, K., Odahara, A., Suga, M., Hirayama, Y., Imai, N., Miyatake, H., Pearson, M., Levy, C. D. P., Jackson, K. P., Legillon, R., Petrache, C., Fukuchi, T., Hamatani, N., Hori, T., Kazato, M., Kenmoku, Y., Masue, T., ... Yokoyama, R. (2014). Nuclear structure explored by β-delayed decay spectroscopy of spin-polarized radioactive nuclei at TRIUMF ISAC-1: Intruder configurations in ²⁹Mg and ³⁰Mg, the nuclei in the region of island of inversion. Hyperfine Interactions, 225(1-3), 183-191. https://doi.org/10.1007/s10751-013-0895-5

Nuclear structure explored by β-delayed decay spectroscopy of spin-polarized radioactive nuclei at TRIUMF ISAC-1: Intruder configurations in ²⁹Mg and ³⁰Mg, the nuclei in the region of island of inversion. / Shimoda, T.; Tajiri, K.; Kura, K. et al.
In: Hyperfine Interactions, Vol. 225, No. 1-3, 01.2014, p. 183-191.

Research output: Contribution to journal › Article › peer-review

Shimoda, T, Tajiri, K, Kura, K, Odahara, A, Suga, M, Hirayama, Y, Imai, N, Miyatake, H, Pearson, M, Levy, CDP, Jackson, KP, Legillon, R, Petrache, C, Fukuchi, T, Hamatani, N, Hori, T, Kazato, M, Kenmoku, Y, Masue, T, Nishibata, H, Suzuki, T, Takashima, A & Yokoyama, R 2014, 'Nuclear structure explored by β-delayed decay spectroscopy of spin-polarized radioactive nuclei at TRIUMF ISAC-1: Intruder configurations in ²⁹Mg and ³⁰Mg, the nuclei in the region of island of inversion', Hyperfine Interactions, vol. 225, no. 1-3, pp. 183-191. https://doi.org/10.1007/s10751-013-0895-5

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title = "Nuclear structure explored by β-delayed decay spectroscopy of spin-polarized radioactive nuclei at TRIUMF ISAC-1: Intruder configurations in 29Mg and 30Mg, the nuclei in the region of island of inversion",

abstract = "Spin-polarized radioactive nuclear beams at TRIUMF enable a new spectroscopic method which efficiently assigns spins and parities of the daughter levels by taking advantage of the asymmetric β-decay of the polarized parent nucleus. This method was successfully applied to structure studies of 29Mg and 30Mg in connection with the physics of the {"}island of inversion{"}. In 29Mg, two low-lying levels with intruder configuration were assigned. In 30Mg, coexistence of spherical shape, prolate shape and γ-collectivity was strongly suggested.",

author = "T. Shimoda and K. Tajiri and K. Kura and A. Odahara and M. Suga and Y. Hirayama and N. Imai and H. Miyatake and M. Pearson and Levy, {C. D.P.} and Jackson, {K. P.} and R. Legillon and C. Petrache and T. Fukuchi and N. Hamatani and T. Hori and M. Kazato and Y. Kenmoku and T. Masue and H. Nishibata and T. Suzuki and A. Takashima and R. Yokoyama",

note = "Funding Information: Acknowledgements The authors gratefully acknowledge TRIUMF staff for their excellent support, encouragement and hospitality. They are also indebted to Drs. Y. Utsuno, K. Matsuyanagi, N. Hinohara and H. Sagawa for valuable discussions. This work was supported in part by Grant-in-Aid for Scientific Research (B) (19340061 and 22340058) in Japan.",

year = "2014",

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doi = "10.1007/s10751-013-0895-5",

language = "English",

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pages = "183--191",

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T2 - Intruder configurations in 29Mg and 30Mg, the nuclei in the region of island of inversion

AU - Shimoda, T.

AU - Tajiri, K.

AU - Kura, K.

AU - Odahara, A.

AU - Suga, M.

AU - Hirayama, Y.

AU - Imai, N.

AU - Miyatake, H.

AU - Pearson, M.

AU - Levy, C. D.P.

AU - Jackson, K. P.

AU - Legillon, R.

AU - Petrache, C.

AU - Fukuchi, T.

AU - Hamatani, N.

AU - Hori, T.

AU - Kazato, M.

AU - Kenmoku, Y.

AU - Masue, T.

AU - Nishibata, H.

AU - Suzuki, T.

AU - Takashima, A.

AU - Yokoyama, R.

N1 - Funding Information: Acknowledgements The authors gratefully acknowledge TRIUMF staff for their excellent support, encouragement and hospitality. They are also indebted to Drs. Y. Utsuno, K. Matsuyanagi, N. Hinohara and H. Sagawa for valuable discussions. This work was supported in part by Grant-in-Aid for Scientific Research (B) (19340061 and 22340058) in Japan.

PY - 2014/1

Y1 - 2014/1

N2 - Spin-polarized radioactive nuclear beams at TRIUMF enable a new spectroscopic method which efficiently assigns spins and parities of the daughter levels by taking advantage of the asymmetric β-decay of the polarized parent nucleus. This method was successfully applied to structure studies of 29Mg and 30Mg in connection with the physics of the "island of inversion". In 29Mg, two low-lying levels with intruder configuration were assigned. In 30Mg, coexistence of spherical shape, prolate shape and γ-collectivity was strongly suggested.

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