A STUDY OF TH-223 LEVELS POPULATED BY ALPHA-DECAY

T H Hoare; P A Butler; G D Jones; M Loiselet; O Naviliatcuncic; J Vervier; M Dahlinger; A M Y Ellawindy; R Wadsworth; D L Watson

A STUDY OF TH-223 LEVELS POPULATED BY ALPHA-DECAY

T H Hoare, P A Butler, G D Jones, M Loiselet, O Naviliatcuncic, J Vervier, M Dahlinger, A M Y Ellawindy, R Wadsworth, D L Watson

Physics

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

Abstract

Low spin states of Th223 have been populated via alpha-decay. The parent nucleus (U227, t 1/2 approximately 1 min) was formed in the reaction Pb-208(Ne-22, 3n)U227, E(beam) = 110 MeV. Out-of-beam measurements of alpha-gamma and alpha-e- coincidences were performed with the aid of a rotating target mechanism. These measurements have enabled a limited level scheme of the low-spin states in Th223 to be constructed, along with tentative J-pi assignments and alpha hindrance factors. The data are interpreted in terms of the geometric model assuming a static octupole deformation and compared to that for the N = 133 isotones Ra-221 and Rn-219.

Original language	English
Pages (from-to)	145-153
Number of pages	9
Journal	Journal of physics g-Nuclear and particle physics
Volume	17
Issue number	2
Publication status	Published - Feb 1991

Keywords

ISOTOPES
ODD
TH

Cite this

@article{ff354d2cad3446d59ef459cf6e0285b0,

title = "A STUDY OF TH-223 LEVELS POPULATED BY ALPHA-DECAY",

abstract = "Low spin states of Th223 have been populated via alpha-decay. The parent nucleus (U227, t 1/2 approximately 1 min) was formed in the reaction Pb-208(Ne-22, 3n)U227, E(beam) = 110 MeV. Out-of-beam measurements of alpha-gamma and alpha-e- coincidences were performed with the aid of a rotating target mechanism. These measurements have enabled a limited level scheme of the low-spin states in Th223 to be constructed, along with tentative J-pi assignments and alpha hindrance factors. The data are interpreted in terms of the geometric model assuming a static octupole deformation and compared to that for the N = 133 isotones Ra-221 and Rn-219.",

keywords = "ISOTOPES, ODD, TH",

author = "Hoare, {T H} and Butler, {P A} and Jones, {G D} and M Loiselet and O Naviliatcuncic and J Vervier and M Dahlinger and Ellawindy, {A M Y} and R Wadsworth and Watson, {D L}",

year = "1991",

month = feb,

language = "English",

volume = "17",

pages = "145--153",

journal = "Journal of physics g-Nuclear and particle physics",

issn = "0954-3899",

publisher = "IOP Publishing",

number = "2",

}

TY - JOUR

T1 - A STUDY OF TH-223 LEVELS POPULATED BY ALPHA-DECAY

AU - Hoare, T H

AU - Butler, P A

AU - Jones, G D

AU - Loiselet, M

AU - Naviliatcuncic, O

AU - Vervier, J

AU - Dahlinger, M

AU - Ellawindy, A M Y

AU - Wadsworth, R

AU - Watson, D L

PY - 1991/2

Y1 - 1991/2

N2 - Low spin states of Th223 have been populated via alpha-decay. The parent nucleus (U227, t 1/2 approximately 1 min) was formed in the reaction Pb-208(Ne-22, 3n)U227, E(beam) = 110 MeV. Out-of-beam measurements of alpha-gamma and alpha-e- coincidences were performed with the aid of a rotating target mechanism. These measurements have enabled a limited level scheme of the low-spin states in Th223 to be constructed, along with tentative J-pi assignments and alpha hindrance factors. The data are interpreted in terms of the geometric model assuming a static octupole deformation and compared to that for the N = 133 isotones Ra-221 and Rn-219.

AB - Low spin states of Th223 have been populated via alpha-decay. The parent nucleus (U227, t 1/2 approximately 1 min) was formed in the reaction Pb-208(Ne-22, 3n)U227, E(beam) = 110 MeV. Out-of-beam measurements of alpha-gamma and alpha-e- coincidences were performed with the aid of a rotating target mechanism. These measurements have enabled a limited level scheme of the low-spin states in Th223 to be constructed, along with tentative J-pi assignments and alpha hindrance factors. The data are interpreted in terms of the geometric model assuming a static octupole deformation and compared to that for the N = 133 isotones Ra-221 and Rn-219.

KW - ISOTOPES

KW - ODD

KW - TH

M3 - Article

SN - 0954-3899

VL - 17

SP - 145

EP - 153

JO - Journal of physics g-Nuclear and particle physics

JF - Journal of physics g-Nuclear and particle physics

IS - 2

ER -