Levels in Cd 125 populated by the β decay of Ag 125m and Ag 125

J. C. Batchelder; C. Apgar; N. T. Brewer; C. J. Gross; R. K. Grzywacz; S. Ilyushkin; M. Madurga; K. Miernik; S. W. Padgett; S. V. Paulauskas; W. A. Peters; B. C. Rasco; K. P. Rykaczewski; D. W. Stracener; J. A. Winger; M. Wolińska-Cichocka; E. F. Zganjar; D. W. Bardayan; M. E. Howard; B. Manning; M. Matos; A. J. Mendez; D. Miller; A. Ratkiewicz; E. H. Wang

doi:10.1103/PhysRevC.104.024308

Levels in Cd 125 populated by the β decay of Ag 125m and Ag 125

J. C. Batchelder, C. Apgar, N. T. Brewer, C. J. Gross, R. K. Grzywacz, S. Ilyushkin, M. Madurga, K. Miernik, S. W. Padgett, S. V. Paulauskas, W. A. Peters, B. C. Rasco, K. P. Rykaczewski, D. W. Stracener, J. A. Winger, M. Wolińska-Cichocka, E. F. Zganjar, D. W. Bardayan, M. E. Howard, B. ManningM. Matos, A. J. Mendez, D. Miller, A. Ratkiewicz, E. H. Wang

Medical Isotopes and Development

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Abstract

The β decay of Ag125m,125 into levels in Cd125 was investigated at the Holifield Radioactive Ion Beam Facility (HRIBF). Uranium-238 targets were bombarded with 50-MeV protons with an intensity of 15μA, and the induced fission products were mass separated and deposited on a moving tape in the center of the VANDLE array consisting of γ detectors and plastic scintillators. A partial decay scheme has been assigned for both β decay of the (9/2+) ground state of Ag125 and its low-lying (1/2-) isomer, with the energy of the low-lying (11/2-) isomeric state in Cd125 assigned as 188.5 keV. In addition, β-delayed neutron emission probabilities were also determined to be 1.2(2)% for the (9/2+) Ag125 ground state and 4.6(10)% for the (1/2-) isomer, which are substantially lower than the previously reported value.

Original language	English
Article number	024308
Journal	Physical Review C
Volume	104
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevC.104.024308
State	Published - Aug 2021

Funding

This work has been supported by the U. S. Department of Energy, Office of Nuclear Physics under contracts DE-AC02-05CH11231, DOE-AC05-00OR22725, DE-FG05-88ER40407, DE-FG02-96ER40983, DE-FG02-96ER41006, DE-SC00144448 and the National Nuclear Security Administration (NNSA) under the Stewardship Science Academic Alliances program through U.S. Department of Energy (DOE) Cooperative Agreements No. DE- FG52-08NA28552 and No. DE-NA0002132.

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10.1103/PhysRevC.104.024308

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Batchelder, J. C., Apgar, C., Brewer, N. T., Gross, C. J., Grzywacz, R. K., Ilyushkin, S., Madurga, M., Miernik, K., Padgett, S. W., Paulauskas, S. V., Peters, W. A., Rasco, B. C., Rykaczewski, K. P., Stracener, D. W., Winger, J. A., Wolińska-Cichocka, M., Zganjar, E. F., Bardayan, D. W., Howard, M. E., ... Wang, E. H. (2021). Levels in Cd 125 populated by the β decay of Ag 125m and Ag 125. Physical Review C, 104(2), Article 024308. https://doi.org/10.1103/PhysRevC.104.024308

@article{1b040eb6f76c4bf7b912734c441608da,

title = "Levels in Cd 125 populated by the β decay of Ag 125m and Ag 125",

abstract = "The β decay of Ag125m,125 into levels in Cd125 was investigated at the Holifield Radioactive Ion Beam Facility (HRIBF). Uranium-238 targets were bombarded with 50-MeV protons with an intensity of 15μA, and the induced fission products were mass separated and deposited on a moving tape in the center of the VANDLE array consisting of γ detectors and plastic scintillators. A partial decay scheme has been assigned for both β decay of the (9/2+) ground state of Ag125 and its low-lying (1/2-) isomer, with the energy of the low-lying (11/2-) isomeric state in Cd125 assigned as 188.5 keV. In addition, β-delayed neutron emission probabilities were also determined to be 1.2(2)% for the (9/2+) Ag125 ground state and 4.6(10)% for the (1/2-) isomer, which are substantially lower than the previously reported value.",

author = "Batchelder, {J. C.} and C. Apgar and Brewer, {N. T.} and Gross, {C. J.} and Grzywacz, {R. K.} and S. Ilyushkin and M. Madurga and K. Miernik and Padgett, {S. W.} and Paulauskas, {S. V.} and Peters, {W. A.} and Rasco, {B. C.} and Rykaczewski, {K. P.} and Stracener, {D. W.} and Winger, {J. A.} and M. Woli{\'n}ska-Cichocka and Zganjar, {E. F.} and Bardayan, {D. W.} and Howard, {M. E.} and B. Manning and M. Matos and Mendez, {A. J.} and D. Miller and A. Ratkiewicz and Wang, {E. H.}",

note = "Publisher Copyright: {\textcopyright} 2021 American Physical Society.",

year = "2021",

month = aug,

doi = "10.1103/PhysRevC.104.024308",

language = "English",

volume = "104",

journal = "Physical Review C",

issn = "2469-9985",

publisher = "American Physical Society",

number = "2",

}

Batchelder, JC, Apgar, C, Brewer, NT, Gross, CJ, Grzywacz, RK, Ilyushkin, S, Madurga, M, Miernik, K, Padgett, SW, Paulauskas, SV, Peters, WA, Rasco, BC, Rykaczewski, KP, Stracener, DW, Winger, JA, Wolińska-Cichocka, M, Zganjar, EF, Bardayan, DW, Howard, ME, Manning, B, Matos, M, Mendez, AJ, Miller, D, Ratkiewicz, A & Wang, EH 2021, 'Levels in Cd 125 populated by the β decay of Ag 125m and Ag 125', Physical Review C, vol. 104, no. 2, 024308. https://doi.org/10.1103/PhysRevC.104.024308

TY - JOUR

T1 - Levels in Cd 125 populated by the β decay of Ag 125m and Ag 125

AU - Batchelder, J. C.

AU - Apgar, C.

AU - Brewer, N. T.

AU - Gross, C. J.

AU - Grzywacz, R. K.

AU - Ilyushkin, S.

AU - Madurga, M.

AU - Miernik, K.

AU - Padgett, S. W.

AU - Paulauskas, S. V.

AU - Peters, W. A.

AU - Rasco, B. C.

AU - Rykaczewski, K. P.

AU - Stracener, D. W.

AU - Winger, J. A.

AU - Wolińska-Cichocka, M.

AU - Zganjar, E. F.

AU - Bardayan, D. W.

AU - Howard, M. E.

AU - Manning, B.

AU - Matos, M.

AU - Mendez, A. J.

AU - Miller, D.

AU - Ratkiewicz, A.

AU - Wang, E. H.

PY - 2021/8

Y1 - 2021/8

N2 - The β decay of Ag125m,125 into levels in Cd125 was investigated at the Holifield Radioactive Ion Beam Facility (HRIBF). Uranium-238 targets were bombarded with 50-MeV protons with an intensity of 15μA, and the induced fission products were mass separated and deposited on a moving tape in the center of the VANDLE array consisting of γ detectors and plastic scintillators. A partial decay scheme has been assigned for both β decay of the (9/2+) ground state of Ag125 and its low-lying (1/2-) isomer, with the energy of the low-lying (11/2-) isomeric state in Cd125 assigned as 188.5 keV. In addition, β-delayed neutron emission probabilities were also determined to be 1.2(2)% for the (9/2+) Ag125 ground state and 4.6(10)% for the (1/2-) isomer, which are substantially lower than the previously reported value.

AB - The β decay of Ag125m,125 into levels in Cd125 was investigated at the Holifield Radioactive Ion Beam Facility (HRIBF). Uranium-238 targets were bombarded with 50-MeV protons with an intensity of 15μA, and the induced fission products were mass separated and deposited on a moving tape in the center of the VANDLE array consisting of γ detectors and plastic scintillators. A partial decay scheme has been assigned for both β decay of the (9/2+) ground state of Ag125 and its low-lying (1/2-) isomer, with the energy of the low-lying (11/2-) isomeric state in Cd125 assigned as 188.5 keV. In addition, β-delayed neutron emission probabilities were also determined to be 1.2(2)% for the (9/2+) Ag125 ground state and 4.6(10)% for the (1/2-) isomer, which are substantially lower than the previously reported value.

UR - http://www.scopus.com/inward/record.url?scp=85112356260&partnerID=8YFLogxK

U2 - 10.1103/PhysRevC.104.024308

DO - 10.1103/PhysRevC.104.024308

M3 - Article

AN - SCOPUS:85112356260

SN - 2469-9985

VL - 104

JO - Physical Review C

JF - Physical Review C

IS - 2

M1 - 024308

ER -

Levels in Cd 125 populated by the β decay of Ag 125m and Ag 125

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