Properties of the new α-decaying isotope 190At

Kokkonen, H.; Auranen, K.; Uusitalo, J.; Eeckhaudt, S.; Grahn, T.; Greenlees, P. T.; Jones, P.; Julin, R.; Juutinen, S.; Leino, M.; Leppänen, A.-P.; Nyman, M.; Pakarinen, J.; Rahkila, P.; Sarén, J.; Scholey, C.; Sorri, J.; Venhart, M.

doi:10.1103/PhysRevC.107.064312

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Kokkonen, H., Auranen, K., Uusitalo, J., Eeckhaudt, S., Grahn, T., Greenlees, P. T., Jones, P., Julin, R., Juutinen, S., Leino, M., Leppänen, A.-P., Nyman, M., Pakarinen, J., Rahkila, P., Sarén, J., Scholey, C., Sorri, J., & Venhart, M. (2023). Properties of the new α-decaying isotope 190At. Physical Review C, 107, Article 064312. https://doi.org/10.1103/PhysRevC.107.064312

Julkaistu sarjassa

Physical Review C

Tekijät

Kokkonen, H. |

Auranen, K. |

Uusitalo, J. |

Eeckhaudt, S. |

Grahn, T. |

Greenlees, P. T. |

Jones, P. |

Julin, R. |

Juutinen, S. |

Leino, M. |

Leppänen, A.-P. |

Nyman, M. |

Pakarinen, J. |

Rahkila, P. |

Sarén, J. |

Scholey, C. |

Sorri, J. |

Venhart, M.

Päivämäärä

2023

Oppiaine

Kiihdytinlaboratorio Accelerator Laboratory

Tekijänoikeudet

The α decay of a new isotope 190At has been studied via the 109Ag(84Sr,3n)190At fusion-evaporation reaction by employing a gas-filled recoil separator. An α-particle energy of 7750(20) keV and a half-life of 1.0+1.4−0.4 ms were measured. The measured decay properties correspond to an unhindered α decay, suggesting the same spin and parity of (10−) as those of the final state of the decay. The systematics of the nearby nuclei and the predictions of selected atomic mass models were compared with the measured decay properties.

Julkaisija

American Physical Society (APS)

ISSN Hae Julkaisufoorumista

2469-9985

Rahoittaja(t)

Suomen Akatemia

Rahoitusohjelmat(t)

Akatemiatutkija, SA; Tutkijatohtori, SA; Akatemiatutkijan tutkimuskulut, SA

Lisätietoja rahoituksesta

This work was supported by the Academy of Finland under the Contracts No. 323710, No. 347154, and No. 353786 (Personal research projects, K.A.). The contribution of M.V. was supported by the Slovak Research and Development Agency under Contract No. APVV-20-0532 and Slovak grant agency VEGA (Contract No. 2/0067/21).

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