Probing triaxiality beyond the proton drip line : Spectroscopy of 147Tm

Auranen, K.; Siwach, P.; Arumugam, P.; Briscoe, A. D.; Ferreira, L. S.; Grahn, T.; Greenlees, P. T.; Herzáň, A.; Illana, A.; Joss, D. T.; Joukainen, H.; Julin, R.; Jutila, H.; Leino, M.; Louko, J.; Luoma, M.; Maglione, E.; Ojala, J.; Page, R. D.; Pakarinen, J.; Rahkila, P.; Romero, J.; Ruotsalainen, P.; Sandzelius, M.; Sarén, J.; Tolosa-Delgado, A.; Uusitalo, J.; Zimba, G.

doi:10.1103/PhysRevC.108.L011303

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Auranen, K., Siwach, P., Arumugam, P., Briscoe, A. D., Ferreira, L. S., Grahn, T., Greenlees, P. T., Herzáň, A., Illana, A., Joss, D. T., Joukainen, H., Julin, R., Jutila, H., Leino, M., Louko, J., Luoma, M., Maglione, E., Ojala, J., Page, R. D., . . . Zimba, G. (2023). Probing triaxiality beyond the proton drip line : Spectroscopy of 147Tm. Physical Review C, 108, Article L011303. https://doi.org/10.1103/PhysRevC.108.L011303

Published in

Physical Review C

Authors

Auranen, K. |

Siwach, P. |

Arumugam, P. |

Briscoe, A. D. |

Ferreira, L. S. |

Grahn, T. |

Greenlees, P. T. |

Herzáň, A. |

Illana, A. |

Joss, D. T. |

Joukainen, H. |

Julin, R. |

Jutila, H. |

Leino, M. |

Louko, J. |

Luoma, M. |

Maglione, E. |

Ojala, J. |

Page, R. D. |

Pakarinen, J. |

Rahkila, P. |

Romero, J. |

Ruotsalainen, P. |

Sandzelius, M. |

Sarén, J. |

Tolosa-Delgado, A. |

Uusitalo, J. |

Zimba, G.

Date

2023

Copyright

Two triaxial states of the proton-decaying nucleus 147Tm were studied via a comparison of experimental data to results obtained through nonadiabatic quasiparticle calculations. The experimental data were collected in a recoil-decay tagging study using the vacuum-mode recoil separator MARA coupled with the JUROGAM3 γ-ray spectrometer. The previously proposed level scheme above the triaxial 11/2− (πh11/2) ground state was confirmed, and the level structure was expanded to cover the states above the weakly populated proton-emitting 5/2+ (πd5/2) isomeric state. It was found that the isomeric state is also triaxial, and possibly more deformed than the ground state.

Publisher

American Physical Society (APS)

ISSN Search the Publication Forum

2469-9985

Related funder(s)

Academy of Finland

Funding program(s)

Postdoctoral Researcher, AoF; Academy Research Fellow, AoF; Research costs of Academy Research Fellow, AoF

Additional information about funding

This work was supported by the Academy of Finland under Contracts No. 323710, No. 347154, and No. 353786 (Personal research projects, K.A.). P.S. was supported by the U.S. Department of Energy, Office of Science, Office of High Energy Physics, under Award No. DE-SC0019465. R.D.P. and D.T.J. acknowledge support of the Science and Technology Facilities Council, UK (Grants No. ST/P004598/1 and No. S ... showmore

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