Large β-delayed one and two neutron emission rates in the decay of Ga86

K. Miernik; K. P. Rykaczewski; C. J. Gross; R. Grzywacz; M. Madurga; D. Miller; J. C. Batchelder; I. N. Borzov; N. T. Brewer; C. Jost; A. Korgul; C. Mazzocchi; A. J. Mendez; Y. Liu; S. V. Paulauskas; D. W. Stracener; J. A. Winger; M. Wolińska-Cichocka; E. F. Zganjar

doi:10.1103/PhysRevLett.111.132502

Large β-delayed one and two neutron emission rates in the decay of Ga86

K. Miernik, K. P. Rykaczewski, C. J. Gross, R. Grzywacz, M. Madurga, D. Miller, J. C. Batchelder, I. N. Borzov, N. T. Brewer, C. Jost, A. Korgul, C. Mazzocchi, A. J. Mendez, Y. Liu, S. V. Paulauskas, D. W. Stracener, J. A. Winger, M. Wolińska-Cichocka, E. F. Zganjar

Medical Isotopes and Development

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Abstract

Beta decay of Ga86 was studied by means of β-neutron-γ spectroscopy. An isotopically pure Ga86 beam was produced at the Holifield Radioactive Ion Beam Facility using a resonance ionization laser ion source and high-resolution electromagnetic separation. The decay of Ga86 revealed a half-life of 43-15+21 ms and large β-delayed one-neutron and two-neutron branching ratios of P_1n=60(10)% and P_2n=20(10)%. The βγ decay of Ga86 populated a 527 keV transition that is interpreted as the deexcitation of the first 2⁺ state in the N=54 isotone Ge86 and suggests a quick onset of deformation in Ge isotopes beyond N=50.

Original language	English
Article number	132502
Journal	Physical Review Letters
Volume	111
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevLett.111.132502
State	Published - Sep 24 2013

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Miernik, K., Rykaczewski, K. P., Gross, C. J., Grzywacz, R., Madurga, M., Miller, D., Batchelder, J. C., Borzov, I. N., Brewer, N. T., Jost, C., Korgul, A., Mazzocchi, C., Mendez, A. J., Liu, Y., Paulauskas, S. V., Stracener, D. W., Winger, J. A., Wolińska-Cichocka, M., & Zganjar, E. F. (2013). Large β-delayed one and two neutron emission rates in the decay of Ga86. Physical Review Letters, 111(13), Article 132502. https://doi.org/10.1103/PhysRevLett.111.132502

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title = "Large β-delayed one and two neutron emission rates in the decay of Ga86",

abstract = "Beta decay of Ga86 was studied by means of β-neutron-γ spectroscopy. An isotopically pure Ga86 beam was produced at the Holifield Radioactive Ion Beam Facility using a resonance ionization laser ion source and high-resolution electromagnetic separation. The decay of Ga86 revealed a half-life of 43-15+21 ms and large β-delayed one-neutron and two-neutron branching ratios of P1n=60(10)% and P2n=20(10)%. The βγ decay of Ga86 populated a 527 keV transition that is interpreted as the deexcitation of the first 2+ state in the N=54 isotone Ge86 and suggests a quick onset of deformation in Ge isotopes beyond N=50.",

author = "K. Miernik and Rykaczewski, {K. P.} and Gross, {C. J.} and R. Grzywacz and M. Madurga and D. Miller and Batchelder, {J. C.} and Borzov, {I. N.} and Brewer, {N. T.} and C. Jost and A. Korgul and C. Mazzocchi and Mendez, {A. J.} and Y. Liu and Paulauskas, {S. V.} and Stracener, {D. W.} and Winger, {J. A.} and M. Woli{\'n}ska-Cichocka and Zganjar, {E. F.}",

year = "2013",

month = sep,

day = "24",

doi = "10.1103/PhysRevLett.111.132502",

language = "English",

volume = "111",

journal = "Physical Review Letters",

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Miernik, K, Rykaczewski, KP, Gross, CJ, Grzywacz, R, Madurga, M, Miller, D, Batchelder, JC, Borzov, IN, Brewer, NT, Jost, C, Korgul, A, Mazzocchi, C, Mendez, AJ, Liu, Y, Paulauskas, SV, Stracener, DW, Winger, JA, Wolińska-Cichocka, M & Zganjar, EF 2013, 'Large β-delayed one and two neutron emission rates in the decay of Ga86', Physical Review Letters, vol. 111, no. 13, 132502. https://doi.org/10.1103/PhysRevLett.111.132502

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T1 - Large β-delayed one and two neutron emission rates in the decay of Ga86

AU - Miernik, K.

AU - Rykaczewski, K. P.

AU - Gross, C. J.

AU - Grzywacz, R.

AU - Madurga, M.

AU - Miller, D.

AU - Batchelder, J. C.

AU - Borzov, I. N.

AU - Brewer, N. T.

AU - Jost, C.

AU - Korgul, A.

AU - Mazzocchi, C.

AU - Mendez, A. J.

AU - Liu, Y.

AU - Paulauskas, S. V.

AU - Stracener, D. W.

AU - Winger, J. A.

AU - Wolińska-Cichocka, M.

AU - Zganjar, E. F.

PY - 2013/9/24

Y1 - 2013/9/24

N2 - Beta decay of Ga86 was studied by means of β-neutron-γ spectroscopy. An isotopically pure Ga86 beam was produced at the Holifield Radioactive Ion Beam Facility using a resonance ionization laser ion source and high-resolution electromagnetic separation. The decay of Ga86 revealed a half-life of 43-15+21 ms and large β-delayed one-neutron and two-neutron branching ratios of P1n=60(10)% and P2n=20(10)%. The βγ decay of Ga86 populated a 527 keV transition that is interpreted as the deexcitation of the first 2+ state in the N=54 isotone Ge86 and suggests a quick onset of deformation in Ge isotopes beyond N=50.

AB - Beta decay of Ga86 was studied by means of β-neutron-γ spectroscopy. An isotopically pure Ga86 beam was produced at the Holifield Radioactive Ion Beam Facility using a resonance ionization laser ion source and high-resolution electromagnetic separation. The decay of Ga86 revealed a half-life of 43-15+21 ms and large β-delayed one-neutron and two-neutron branching ratios of P1n=60(10)% and P2n=20(10)%. The βγ decay of Ga86 populated a 527 keV transition that is interpreted as the deexcitation of the first 2+ state in the N=54 isotone Ge86 and suggests a quick onset of deformation in Ge isotopes beyond N=50.

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VL - 111

JO - Physical Review Letters

JF - Physical Review Letters

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M1 - 132502

ER -

Large β-delayed one and two neutron emission rates in the decay of Ga86

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