Hybrid-3hen - New detector for gammas and neutrons

R. Grzywacz; K. P. Rykaczewski; C. J. Gross; M. Madurga; K. Miernik; D. T. Miller; S. V. Paulauskas; S. W. Padgett; C. Rasco; M. Wolińska-Cichocka; E. F. Zganjar

doi:10.5506/APhysPolB.45.217

Hybrid-3hen - New detector for gammas and neutrons

R. Grzywacz, K. P. Rykaczewski, C. J. Gross, M. Madurga, K. Miernik, D. T. Miller, S. V. Paulauskas, S. W. Padgett, C. Rasco, M. Wolińska-Cichocka, E. F. Zganjar

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Abstract

Recently, a unique detector system for beta-delayed neutron spectroscopy, Hybrid-3Hen, was constructed and used in an experiment. This detector is a modification of the neutron detector 3Hen array, which uses 3He-filled tubes at 10 atm and high density polyethylene moderator. In Hybrid-3Hen the gamma-ray detection capability was implemented by adding two large HPGe clover-type detectors from the CLARION/CARDS array. This modification of 3Hen enabled efficient studies of beta-delayed neutron emission by using neutron-gamma coincidences. The system is equipped with full-digital readout for easy implementation of the slow and fast coincidences between various parts of the entire detection system. This new array was used in measurements at the Holifield Radioactive Ion Beam Facility and proven to be an essential tool to measure the large beta delayed two neutron emission branching ratio from the exotic isotope ⁸⁶Ga.

Original language	English
Pages (from-to)	217-222
Number of pages	6
Journal	Acta Physica Polonica B
Volume	45
Issue number	2
DOIs	https://doi.org/10.5506/APhysPolB.45.217
State	Published - Feb 2014

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title = "Hybrid-3hen - New detector for gammas and neutrons",

abstract = "Recently, a unique detector system for beta-delayed neutron spectroscopy, Hybrid-3Hen, was constructed and used in an experiment. This detector is a modification of the neutron detector 3Hen array, which uses 3He-filled tubes at 10 atm and high density polyethylene moderator. In Hybrid-3Hen the gamma-ray detection capability was implemented by adding two large HPGe clover-type detectors from the CLARION/CARDS array. This modification of 3Hen enabled efficient studies of beta-delayed neutron emission by using neutron-gamma coincidences. The system is equipped with full-digital readout for easy implementation of the slow and fast coincidences between various parts of the entire detection system. This new array was used in measurements at the Holifield Radioactive Ion Beam Facility and proven to be an essential tool to measure the large beta delayed two neutron emission branching ratio from the exotic isotope 86Ga.",

author = "R. Grzywacz and Rykaczewski, \{K. P.\} and Gross, \{C. J.\} and M. Madurga and K. Miernik and Miller, \{D. T.\} and Paulauskas, \{S. V.\} and Padgett, \{S. W.\} and C. Rasco and M. Woli{\'n}ska-Cichocka and Zganjar, \{E. F.\}",

year = "2014",

month = feb,

doi = "10.5506/APhysPolB.45.217",

language = "English",

volume = "45",

pages = "217--222",

journal = "Acta Physica Polonica B",

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AU - Grzywacz, R.

AU - Rykaczewski, K. P.

AU - Gross, C. J.

AU - Madurga, M.

AU - Miernik, K.

AU - Miller, D. T.

AU - Paulauskas, S. V.

AU - Padgett, S. W.

AU - Rasco, C.

AU - Wolińska-Cichocka, M.

AU - Zganjar, E. F.

PY - 2014/2

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AB - Recently, a unique detector system for beta-delayed neutron spectroscopy, Hybrid-3Hen, was constructed and used in an experiment. This detector is a modification of the neutron detector 3Hen array, which uses 3He-filled tubes at 10 atm and high density polyethylene moderator. In Hybrid-3Hen the gamma-ray detection capability was implemented by adding two large HPGe clover-type detectors from the CLARION/CARDS array. This modification of 3Hen enabled efficient studies of beta-delayed neutron emission by using neutron-gamma coincidences. The system is equipped with full-digital readout for easy implementation of the slow and fast coincidences between various parts of the entire detection system. This new array was used in measurements at the Holifield Radioactive Ion Beam Facility and proven to be an essential tool to measure the large beta delayed two neutron emission branching ratio from the exotic isotope 86Ga.

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JO - Acta Physica Polonica B

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Hybrid-3hen - New detector for gammas and neutrons

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