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Nuclear Data Sheets for143Eu

✍ Scribed by J.K. Tuli

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 92 KB
Volume: 86
Category: Article
ISSN: 0090-3752
DOI: 10.1006/ndsh.1999.0005

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✦ Synopsis

98Ca19, 98Ca36: search for GDR built on superdeformed state using 110 Pd( 37 Cl,4nγ ), E=165 MeV. See 96Pi11 for suggested classification of levels as 3-and 5-quasi particle states. 143 Eu Levels Cross Reference (XREF) Flags A 143 Gd ε Decay (39 s) B 143 Gd ε Decay (112 s) C (HI,xnγ ) D 144 Sm(p,2nγ ) E=30 MeV E 110 Pd( 37 Cl,4nγ ): SD E(level) b J π @ XREF T 1/2 a Comments . 0 5 / 2+ ABCD 2 . 5 9 mi n 2 J π : atomic beam (84Ek01), log ft=5.3 to 3/2+. Configuration=(π d 5/2 ) -1 . T 1/2 : wt av: 2.57 min 3 (93Al03), 2.63 min 5 (74Ke07) 2.61 min 3 (66Ma15), 2.3 min 2 (65Ko04). % ε +%β + =100. 2 5 . 8 2 3 ( 3 / 2 ) + A D Jπ : log ft=4.9 via (1/2)+ parent, γ to 5/2+ is (M1). 2 7 . 9 3 3 7 / 2+ BCD Jπ : γ to 5/2+ is ∆ J=1, M1; γ from 11/2-is M2. Configuration=(π g 7/2 ) -1 . 3 8 . 5 1 4 1 1 / 2 -BCD 5 0 . 0 µ s 5 T 1/2 : from 143 Gd ε decay (78Fi02). J π : γ to 5/2+ is E3; ε from (11/2-) parent. Configuration=(π h 11/2 ). 4 6 . 6 1 5 ( 1 / 2 ) + A D Jπ : log ft=5.7 via (1/2)+ parent, γ to (3/2)+ is stronger than γ to 5/2+. 8 0 . 1 3 D 8 1 . 9 0 1 0 ( 1 / 2 , 3 / 2 ) + A Jπ : log ft=5.8 via (1/2)+ parent. 9 0 . 9 4 6 9 / 2+ B D Jπ : γ to 5/2+ is E2, ε decay from (11/2-) parent. 9 7 . 4 9 4 ( 9 / 2 ) -BCD Jπ : γ to 11/2-is M1+E2, syst. 1 0 5 . 4 1 6 1 1 / 2+ B D Jπ : γ to 7/2+ is ∆ J=2, E2; ε decay from (11/2-) parent. 1 0 5 . 6 4 5 1 3 / 2 -BCD Jπ : γ to 11/2-is ∆ J=1, M1+E2; strong feeding from high-spin levels. 1 0 8 . 3 1 1 1 B 1 1 8 . 4 2 5 1 1 / 2 -BCD Jπ : γ to 11/2-is ∆ J=0, E2+M1 (α ,p4nγ ); γ to (9/2)-is ∆ J=1, M1 (p,2nγ ). 1 2 1 . 9 4 1 0 1 1 / 2 -B D Jπ : γ to 11/2-is ∆ J=0, E2+(M1). 1 2 5 . 8 8 6 1 1 / 2+ B D Jπ : γ to 7/2+ is ∆ J=2, E2. 1 3 0 . 0 5 6 1 5 / 2 -BCD Jπ : γ to 11/2-is ∆ J=2, E2; γ to 13/2-is ∆ J=1, D. 1 3 3 . 2 4 1 1 1 1 / 2+ B D Jπ : γ to 7/2+ is ∆ J=2, Q. 1 4 0 . 5 8 2 1 B 1 4 9 . 7 4 2 0 B 1 5 4 . 0 ? 4 ( 1 / 2 , 3 / 2 ) + A Jπ : log ft=6.3 via (1/2)+ parent.

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