Identification and decay of the 0.48 ms 13/2+ isomer in Hg181

A. N. Andreyev; S. Antalic; D. Ackermann; T. E. Cocolios; V. F. Comas; J. Elseviers; S. Franchoo; S. Heinz; J. A. Heredia; F. P. Heßberger; S. Hofmann; M. Huyse; J. Khuyagbaatar; I. Kojouharov; B. Kindler; B. Lommel; R. Mann; R. D. Page; S. Rinta-Antila; P. J. Sapple; Š Šáro; P. Van Duppen; M. Venhart; H. V. Watkins

doi:10.1103/PhysRevC.80.044334

Identification and decay of the 0.48 ms 13/2+ isomer in Hg181

A. N. Andreyev, S. Antalic, D. Ackermann, T. E. Cocolios, V. F. Comas, J. Elseviers, S. Franchoo, S. Heinz, J. A. Heredia, F. P. Heßberger, S. Hofmann, M. Huyse, J. Khuyagbaatar, I. Kojouharov, B. Kindler, B. Lommel, R. Mann, R. D. Page, S. Rinta-Antila, P. J. SappleŠ Šáro, P. Van Duppen, M. Venhart, H. V. Watkins

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Abstract

A new isomer with a half-life of 0.48(2) ms was identified in the nuclide Hg181, which was produced in the complete fusion reaction Ca40+Sm144→ Pb184* at the velocity filter SHIP (GSI, Darmstadt). The isomeric state was tentatively assigned a spin-parity of 13/2+. We propose that this isomer de-excites by a yet unobserved low-energy, strongly converted γ-ray transition, followed by a newly identified cascade composed of a 90.3 keV M1 and a 71.4 keV E2 γ-ray transition. © 2009 The American Physical Society.

Original language	English
Article number	044334
Journal	Physical Review C - Nuclear Physics
Volume	80
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevC.80.044334
Publication status	Published - 29 Oct 2009

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Andreyev, A. N., Antalic, S., Ackermann, D., Cocolios, T. E., Comas, V. F., Elseviers, J., Franchoo, S., Heinz, S., Heredia, J. A., Heßberger, F. P., Hofmann, S., Huyse, M., Khuyagbaatar, J., Kojouharov, I., Kindler, B., Lommel, B., Mann, R., Page, R. D., Rinta-Antila, S., ... Watkins, H. V. (2009). Identification and decay of the 0.48 ms 13/2+ isomer in Hg181. Physical Review C - Nuclear Physics, 80(4), Article 044334. https://doi.org/10.1103/PhysRevC.80.044334

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title = "Identification and decay of the 0.48 ms 13/2+ isomer in Hg181",

abstract = "A new isomer with a half-life of 0.48(2) ms was identified in the nuclide Hg181, which was produced in the complete fusion reaction Ca40+Sm144→ Pb184* at the velocity filter SHIP (GSI, Darmstadt). The isomeric state was tentatively assigned a spin-parity of 13/2+. We propose that this isomer de-excites by a yet unobserved low-energy, strongly converted γ-ray transition, followed by a newly identified cascade composed of a 90.3 keV M1 and a 71.4 keV E2 γ-ray transition. {\textcopyright} 2009 The American Physical Society.",

author = "Andreyev, {A. N.} and S. Antalic and D. Ackermann and Cocolios, {T. E.} and Comas, {V. F.} and J. Elseviers and S. Franchoo and S. Heinz and Heredia, {J. A.} and He{\ss}berger, {F. P.} and S. Hofmann and M. Huyse and J. Khuyagbaatar and I. Kojouharov and B. Kindler and B. Lommel and R. Mann and Page, {R. D.} and S. Rinta-Antila and Sapple, {P. J.} and {\v S} {\v S}{\'a}ro and Duppen, {P. Van} and M. Venhart and Watkins, {H. V.}",

year = "2009",

month = oct,

day = "29",

doi = "10.1103/PhysRevC.80.044334",

language = "English",

volume = "80",

journal = "Physical Review C - Nuclear Physics",

issn = "0556-2813",

publisher = "American Physical Society",

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Andreyev, AN, Antalic, S, Ackermann, D, Cocolios, TE, Comas, VF, Elseviers, J, Franchoo, S, Heinz, S, Heredia, JA, Heßberger, FP, Hofmann, S, Huyse, M, Khuyagbaatar, J, Kojouharov, I, Kindler, B, Lommel, B, Mann, R, Page, RD, Rinta-Antila, S, Sapple, PJ, Šáro, Š, Duppen, PV, Venhart, M & Watkins, HV 2009, 'Identification and decay of the 0.48 ms 13/2+ isomer in Hg181', Physical Review C - Nuclear Physics, vol. 80, no. 4, 044334. https://doi.org/10.1103/PhysRevC.80.044334

TY - JOUR

T1 - Identification and decay of the 0.48 ms 13/2+ isomer in Hg181

AU - Andreyev, A. N.

AU - Antalic, S.

AU - Ackermann, D.

AU - Cocolios, T. E.

AU - Comas, V. F.

AU - Elseviers, J.

AU - Franchoo, S.

AU - Heinz, S.

AU - Heredia, J. A.

AU - Heßberger, F. P.

AU - Hofmann, S.

AU - Huyse, M.

AU - Khuyagbaatar, J.

AU - Kojouharov, I.

AU - Kindler, B.

AU - Lommel, B.

AU - Mann, R.

AU - Page, R. D.

AU - Rinta-Antila, S.

AU - Sapple, P. J.

AU - Šáro, Š

AU - Duppen, P. Van

AU - Venhart, M.

AU - Watkins, H. V.

PY - 2009/10/29

Y1 - 2009/10/29

N2 - A new isomer with a half-life of 0.48(2) ms was identified in the nuclide Hg181, which was produced in the complete fusion reaction Ca40+Sm144→ Pb184* at the velocity filter SHIP (GSI, Darmstadt). The isomeric state was tentatively assigned a spin-parity of 13/2+. We propose that this isomer de-excites by a yet unobserved low-energy, strongly converted γ-ray transition, followed by a newly identified cascade composed of a 90.3 keV M1 and a 71.4 keV E2 γ-ray transition. © 2009 The American Physical Society.

AB - A new isomer with a half-life of 0.48(2) ms was identified in the nuclide Hg181, which was produced in the complete fusion reaction Ca40+Sm144→ Pb184* at the velocity filter SHIP (GSI, Darmstadt). The isomeric state was tentatively assigned a spin-parity of 13/2+. We propose that this isomer de-excites by a yet unobserved low-energy, strongly converted γ-ray transition, followed by a newly identified cascade composed of a 90.3 keV M1 and a 71.4 keV E2 γ-ray transition. © 2009 The American Physical Society.

U2 - 10.1103/PhysRevC.80.044334

DO - 10.1103/PhysRevC.80.044334

M3 - Article

SN - 0556-2813

VL - 80

JO - Physical Review C - Nuclear Physics

JF - Physical Review C - Nuclear Physics

IS - 4

M1 - 044334

ER -

Identification and decay of the 0.48 ms 13/2+ isomer in Hg181

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