Precision measurements of proton emission from the ground states of 156Ta and 160Re

Darby, I. G.; Page, R. D.; Joss, D. T.; Bianco, L.; Grahn, T.; Judson, D. S.; Simpson, J.; Eeckhaudt, S.; Greenlees, P. T.; Jones, P. M.; Julin, R.; Juutinen, S.; Ketelhut, S.; Leino, M.; Leppänen, A.-P.; Nyman, M.; Rahkila, P.; Sarén, J.; Scholey, C.; Steer, A. N.; Uusitalo, J.; Venhart, M.; Ertürk, S.; Gall, B.; Hadinia, B.

doi:10.1103/PhysRevC.83.064320

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Darby, I. G., Page, R. D., Joss, D. T., Bianco, L., Grahn, T., Judson, D. S., Simpson, J., Eeckhaudt, S., Greenlees, P. T., Jones, P. M., Julin, R., Juutinen, S., Ketelhut, S., Leino, M., Leppänen, A.-P., Nyman, M., Rahkila, P., Sarén, J., Scholey, C., . . . Hadinia, B. (2011). Precision measurements of proton emission from the ground states of 156Ta and 160Re. Physical Review C : Nuclear Physics, 83(6), Article 064320. https://doi.org/10.1103/PhysRevC.83.064320

Julkaistu sarjassa

Physical Review C : Nuclear Physics

Tekijät

Darby, I. G. |

Page, R. D. |

Joss, D. T. |

Bianco, L. |

Grahn, T. |

Judson, D. S. |

Simpson, J. |

Eeckhaudt, S. |

Greenlees, P. T. |

Jones, P. M. |

Julin, R. |

Juutinen, S. |

Ketelhut, S. |

Leino, M. |

Leppänen, A.-P. |

Nyman, M. |

Rahkila, P. |

Sarén, J. |

Scholey, C. |

Steer, A. N. |

Uusitalo, J. |

Venhart, M. |

Ertürk, S. |

Gall, B. |

Hadinia, B.

Päivämäärä

2011

Oppiaine

Kiihdytinlaboratorio Accelerator Laboratory

Tekijänoikeudet

The decays of the πd3/2 ground states of 156Ta and 160Re have been studied in detail using the GREAT spectrometer. More than 7000 160Re nuclei were produced in reactions of 290- and 300-MeV 58Ni ions with an isotopically enriched 106Cd target and separated in flight using the RITU separator. The proton and α decays of the πd3/2 level were confirmed and the half-life and branching ratios of this state were determined with improved precision to be t1/2=611±7 μs and bp=89±1% and bα=11±1%, respectively. The α-decay branch populated the ground state of 156Ta, allowing improved values for the proton-decay energy and half-life to be obtained (Ep=1011±5 keV; t1/2=106±4 ms). The β decay of this level was identified for the first time and a branching ratio of bβ=29±3% was deduced. The spectroscopic factors deduced from these measurements are compared with predictions.

Julkaisija

American Physical Society (APS)

ISSN Hae Julkaisufoorumista

0556-2813

Lisätietoja rahoituksesta

This work was supported by the UK Science and Technology Facilities Council; the Swedish Natural Science Research Council; the Academy of Finland through the Finnish Centre of Excellence Programme (Project No. 44875 Nuclear and Condensed Matter Physics Programme at JYFL) and support for C.S. (Contract No. 209430) and P.T.G. (Contract No. 111965); the European Union Sixth Framework Contract EURONS ... showmore

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