Characterization of a neutron–beta counting system with beta-delayed neutron emitters

Agramunt, J.; Tain, J.L.; Gómez-Hornillos, M.B.; Garcia, A.R.; Albiol, F.; Algora, A.; Caballero-Folch, R.; Calviño, F.; Cano-Ott, D.; Cortés, G.; Domingo-Pardo, C.; Eronen, Tommi; Gelletly, W.; Gorelov, Dmitry; Gorlychev, V.; Hakala, Jani; Jokinen, Ari; Jordan, M.D.; Kankainen, Anu; Kolhinen, Veli; Kucuk, L.; Martinez, T.; Mason, P.J.R.; Moore, Iain; Penttilä, Heikki; Podolyák, Zs.; Pretel, C.; Reponen, Mikael; Riego, A.; Rissanen, Juho; Rubio, B.; Saastamoinen, Antti; Tarifeño-Saldivia, A.; Valencia, E.

doi:10.1016/j.nima.2015.10.082

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Agramunt, J., Tain, J.L., Gómez-Hornillos, M.B., Garcia, A.R., Albiol, F., Algora, A., Caballero-Folch, R., Calviño, F., Cano-Ott, D., Cortés, G., Domingo-Pardo, C., Eronen, T., Gelletly, W., Gorelov, D., Gorlychev, V., Hakala, J., Jokinen, A., Jordan, M.D., Kankainen, A., . . . Valencia, E. (2016). Characterization of a neutron–beta counting system with beta-delayed neutron emitters. Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment, 807, 69-78. https://doi.org/10.1016/j.nima.2015.10.082

Julkaistu sarjassa

Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment

Tekijät

Agramunt, J. |

Tain, J.L. |

Gómez-Hornillos, M.B. |

Garcia, A.R. |

Albiol, F. |

Algora, A. |

Caballero-Folch, R. |

Calviño, F. |

Cano-Ott, D. |

Cortés, G. |

Domingo-Pardo, C. |

Eronen, Tommi |

Gelletly, W. |

Gorelov, Dmitry |

Gorlychev, V. |

Hakala, Jani |

Jokinen, Ari |

Jordan, M.D. |

Kankainen, Anu |

Kolhinen, Veli |

Kucuk, L. |

Martinez, T. |

Mason, P.J.R. |

Moore, Iain |

Penttilä, Heikki |

Podolyák, Zs. |

Pretel, C. |

Reponen, Mikael |

Riego, A. |

Rissanen, Juho |

Rubio, B. |

Saastamoinen, Antti |

Tarifeño-Saldivia, A. |

Valencia, E.

Päivämäärä

2016

Oppiaine

Kiihdytinlaboratorio Accelerator Laboratory

Tekijänoikeudet

A new detection system for the measurement of beta-delayed neutron emission probabilities has been characterized using fission products with well known β-delayed neutron emission properties. The setup consists of BELEN-20, a 4π neutron counter with twenty 3He proportional tubes arranged inside a large polyethylene neutron moderator, a thin Si detector for β counting and a selftriggering digital data acquisition system. The use of delayed-neutron precursors with different neutron emission windows allowed the study of the effect of energy dependency on neutron, β and β-neutron rates. The observed effect is well reproduced by Monte Carlo simulations. The impact of this dependency on the accuracy of neutron emission probabilities is discussed. A new accurate value of the neutron emission probability for the important delayed-neutron precursor 137I was obtained, Pn = 7.76(14)%.

Julkaisija

Elsevier B.V.

ISSN Hae Julkaisufoorumista

0168-9002

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