Decay schemes of three-quasiparticle isomers in 119,121Sb and 121,123I

C. B. Moon; G. D. Dracoulis; R. A. Bark; A. P. Byrne; P. A. Davidson; T. Kibédi; G. J. Lane; A. N. Wilson

doi:10.3938/jkps.59.1539

Decay schemes of three-quasiparticle isomers in ^119,121Sb and ^121,123I

C. B. Moon^*, G. D. Dracoulis, R. A. Bark, A. P. Byrne, P. A. Davidson, T. Kibédi, G. J. Lane, A. N. Wilson

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

The gamma-ray decay of isomers in near spherical ^119,121Sb and transitional ^121,123I have been studied using γ -ray spectroscopy with ⁷Li pulsed beams delivered from 14 UD Pelletron accelerator at the Australian National University. Isomers of J^π = 25/2⁺, 19/2^- and 21/2^- with half-lives of a few nanoseconds to hundreds microseconds have been observed at 2.4 < E_x < 2.9 MeV. Decay schemes of the isomers in these nuclei are presented and their properties are interpreted in terms of three quasiparticle configurations based on the two-neutron (h_11/2)² 10⁺ and (d_3/2h_11/2) 7^- states in even-A Sn isotones coupled to an extra proton.

Original language	English
Pages (from-to)	1539-1542
Number of pages	4
Journal	Journal of the Korean Physical Society
Volume	59
Issue number	23
DOIs	https://doi.org/10.3938/jkps.59.1539
Publication status	Published - Aug 2011

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title = "Decay schemes of three-quasiparticle isomers in 119,121Sb and 121,123I",

abstract = "The gamma-ray decay of isomers in near spherical 119,121Sb and transitional 121,123I have been studied using γ -ray spectroscopy with 7Li pulsed beams delivered from 14 UD Pelletron accelerator at the Australian National University. Isomers of Jπ = 25/2+, 19/2- and 21/2- with half-lives of a few nanoseconds to hundreds microseconds have been observed at 2.4 < Ex < 2.9 MeV. Decay schemes of the isomers in these nuclei are presented and their properties are interpreted in terms of three quasiparticle configurations based on the two-neutron (h11/2)2 10+ and (d3/2h11/2) 7- states in even-A Sn isotones coupled to an extra proton.",

keywords = "6n)I, HPGe detectors, Half-lives, In-beam γ-ray spectroscopy, Isomers, Nuclear reactions Sn(i, Pulsed beams, Sn(Li,6n)I, Sn(li, α4n)Sb",

author = "Moon, {C. B.} and Dracoulis, {G. D.} and Bark, {R. A.} and Byrne, {A. P.} and Davidson, {P. A.} and T. Kib{\'e}di and Lane, {G. J.} and Wilson, {A. N.}",

year = "2011",

month = aug,

doi = "10.3938/jkps.59.1539",

language = "English",

volume = "59",

pages = "1539--1542",

journal = "Journal of the Korean Physical Society",

issn = "0374-4884",

publisher = "Korean Physical Society",

number = "23",

}

TY - JOUR

T1 - Decay schemes of three-quasiparticle isomers in 119,121Sb and 121,123I

AU - Moon, C. B.

AU - Dracoulis, G. D.

AU - Bark, R. A.

AU - Byrne, A. P.

AU - Davidson, P. A.

AU - Kibédi, T.

AU - Lane, G. J.

AU - Wilson, A. N.

PY - 2011/8

Y1 - 2011/8

N2 - The gamma-ray decay of isomers in near spherical 119,121Sb and transitional 121,123I have been studied using γ -ray spectroscopy with 7Li pulsed beams delivered from 14 UD Pelletron accelerator at the Australian National University. Isomers of Jπ = 25/2+, 19/2- and 21/2- with half-lives of a few nanoseconds to hundreds microseconds have been observed at 2.4 < Ex < 2.9 MeV. Decay schemes of the isomers in these nuclei are presented and their properties are interpreted in terms of three quasiparticle configurations based on the two-neutron (h11/2)2 10+ and (d3/2h11/2) 7- states in even-A Sn isotones coupled to an extra proton.

AB - The gamma-ray decay of isomers in near spherical 119,121Sb and transitional 121,123I have been studied using γ -ray spectroscopy with 7Li pulsed beams delivered from 14 UD Pelletron accelerator at the Australian National University. Isomers of Jπ = 25/2+, 19/2- and 21/2- with half-lives of a few nanoseconds to hundreds microseconds have been observed at 2.4 < Ex < 2.9 MeV. Decay schemes of the isomers in these nuclei are presented and their properties are interpreted in terms of three quasiparticle configurations based on the two-neutron (h11/2)2 10+ and (d3/2h11/2) 7- states in even-A Sn isotones coupled to an extra proton.

KW - 6n)I

KW - HPGe detectors

KW - Half-lives

KW - In-beam γ-ray spectroscopy

KW - Isomers

KW - Nuclear reactions Sn(i

KW - Pulsed beams

KW - Sn(Li,6n)I

KW - Sn(li

KW - α4n)Sb

UR - http://www.scopus.com/inward/record.url?scp=80052215692&partnerID=8YFLogxK

U2 - 10.3938/jkps.59.1539

DO - 10.3938/jkps.59.1539

M3 - Article

SN - 0374-4884

VL - 59

SP - 1539

EP - 1542

JO - Journal of the Korean Physical Society

JF - Journal of the Korean Physical Society

IS - 23

ER -

Decay schemes of three-quasiparticle isomers in ^119,121Sb and ^121,123I

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