Nuclear structure of 189Tl states studied via β+/EC decay and laser spectroscopy of 189m+gPb

被引：0

作者：

Sauvage, J. ^{[1
]}

Genevey, J. ^{[2
]}

Roussiere, B. ^{[1
]}

Franchoo, S. ^{[1
,3
,4
]}

Andreyev, A. N. ^{[5
,6
,7
]}

Barre, N. ^{[1
]}

Clavelin, J. -F. ^{[1
]}

De Witte, H. ^{[5
]}

Fedorov, D. V. ^{[8
]}

Fedoseyev, V. N. ^{[4
]}

Fraile, L. M. ^{[4
]}

Grave, X. ^{[1
]}

Huber, G. ^{[3
]}

Huyse, M. ^{[5
]}

Jeppesen, H. B. ^{[4
]}

Koester, U. ^{[4
,9
]}

Kunz, P. ^{[3
]}

Lesher, S. R. ^{[5
]}

Marsh, B. A. ^{[4
]}

Mukha, I. ^{[5
]}

Oms, J. ^{[1
]}

Seliverstov, M. ^{[3
,8
]}

Stefanescu, I. ^{[5
]}

Van de Vel, K. ^{[5
]}

Van de Walle, J. ^{[4
]}

Van Duppen, P. ^{[5
]}

Volkov, Yu. M. ^{[8
]}

机构：

[1] Univ Paris 11, Inst Phys Nucl, CNRS, IN2P3, F-91406 Orsay, France

[2] Univ Grenoble 1, CNRS, Lab Phys Subatom & Cosmol, IN2P3, F-38026 St Martin Dheres, France

[3] Johannes Gutenberg Univ Mainz, Inst Phys, D-55099 Mainz, Germany

[4] CERN, ISOLDE, CH-1211 Geneva 23, Switzerland

[5] Katholieke Univ Leuven, Inst Kern Stralingsfys, B-3001 Heverlee, Belgium

[6] Univ Liverpool, Oliver Lodge Lab, Liverpool L69 7ZE, Merseyside, England

[7] TRIUMF, Vancouver, BC V6T 2A3, Canada

[8] Petersburg Nucl Phys Inst, Gatchina 188350, Russia

[9] Inst Max Von Laue Paul Langevin, F-38042 Grenoble 9, France

来源：

EUROPEAN PHYSICAL JOURNAL A | 2009年 / 39卷 / 01期

关键词：

HARTREE-FOCK CALCULATIONS; SKYRMES INTERACTION; SHAPE COEXISTENCE; THALLIUM ISOTOPES; GOLD ISOTOPES; CHARGE RADII; MASS NUCLEI; ALPHA-DECAY; ION-SOURCE; SPIN;

D O I：

10.1140/epja/i2008-10693-3

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The beta(+)/EC decay of Pb-189m,Pb-g has been studied at the ISOLDE facility using nuclear spectroscopy and in-source laser spectroscopy. A level scheme of T-189 has been built from gamma-gamma coincidence relationships and information on the feeding of some excited levels of Tl-189 provided by the hyperfine spectra obtained from laser ionization. The half-lives of both the 13/2(+) and 3/2(-) Pb-189 isomers have been estimated to be T-1/2 = 50 +/- 3s and T-1/2 = 39 +/- 8s, respectively. Calculations have been performed for different oblate and prolate nuclear deformations using an axial-rotor coupled to one-quasiparticle model, a structure has been suggested for the low-lying levels of the Tl-189 nucleus.

引用

页码：33 / 48

页数：16

共 7 条

[1] Nuclear structure of 189Tl states studied via \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$ \beta^{{+}}_{}$\end{document} /EC decay and laser spectroscopy of 189m+gPb
J. Sauvage
J. Genevey
B. Roussière
S. Franchoo
A. N. Andreyev
N. Barré
J. -F. Clavelin
H. De Witte
D. V. Fedorov
V. N. Fedoseyev
L. M. Fraile
X. Grave
G. Huber
M. Huyse
H. B. Jeppesen
U. Köster
P. Kunz
S. R. Lesher
B. A. Marsh
I. Mukha
J. Oms
M. Seliverstov
I. Stefanescu
K. Van de Vel
J. Van de Walle
P. Van Duppen
Yu. M. Volkov
The European Physical Journal A, 2009, 39 (1) : 33 - 48
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Roussiere, B.
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Franchoo, S.
Andreyev, A. N.
Barre, N.
Ben Braham, A.
Bourgeois, C.
Clavelin, J. -F.
De Witte, H.
Fedorov, D. V.
Fedoseyev, V. N.
Fraile, L. M.
Grave, X.
Huber, G.
Huyse, M.
Kilcher, P.
Koester, U.
Kunz, P.
Lesher, S. R.
Marsh, B. A.
Mukha, I.
Oms, J.
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Seliverstov, M.
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[7] Nuclear structure of 181\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$^{181}$$\end{document}Au studied via β+\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$\upbeta ^+$$\end{document}/EC decay of 181\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$^{181}$$\end{document}Hg at ISOLDE
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