Rotational bands and isomeric states in 175Lu

P. E. Garrett; D. E. Archer; J. A. Becker; L. A. Bernstein; K. Hauschild; E. A. Henry; D. P. McNabb; M. A. Stoyer; W. Younes; G. D. Johns; R. O. Nelson; W. S. Wilburn

doi:10.1103/PhysRevC.69.017302

Rotational bands and isomeric states in ¹⁷⁵Lu

P. E. Garrett, D. E. Archer, J. A. Becker, L. A. Bernstein, K. Hauschild, E. A. Henry, D. P. McNabb, M. A. Stoyer, W. Younes, G. D. Johns, R. O. Nelson, W. S. Wilburn

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

6 Scopus citations

Abstract

Rotational bands in ¹⁷⁵Lu have been extended through investigation with the (n, n' γ) reaction. Spallation neutrons bombarded Lu samples, and the resulting γ rays were detected in a large-scale Compton-suppressed Ge detector array. Prompt- and delayed-γγ coincidences have been used to extend the 5/2⁺[402] band to spin 17/2, the 3/2⁺[411] band to spin 11/2, the 1/2⁺[411] band to spin 15/2, and the 1/2^-[541] and 9/2^-[514] bands to spin 21/2. A new band, based on the 7/2^-[523] configuration, is tentatively assigned from its bandhead to spin 13/2. The three-quasiparticle K^π=19/2⁺ isomer is confirmed and its half-life determined to be 984±13(stat.)±30(sys.) μs, in agreement with previous results.

Original language	English
Article number	017302
Pages (from-to)	173021-173024
Number of pages	4
Journal	Physical Review C - Nuclear Physics
Volume	69
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevC.69.017302
State	Published - Jan 2004
Externally published	Yes

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title = "Rotational bands and isomeric states in 175Lu",

abstract = "Rotational bands in 175Lu have been extended through investigation with the (n, n' γ) reaction. Spallation neutrons bombarded Lu samples, and the resulting γ rays were detected in a large-scale Compton-suppressed Ge detector array. Prompt- and delayed-γγ coincidences have been used to extend the 5/2+[402] band to spin 17/2, the 3/2+[411] band to spin 11/2, the 1/2+[411] band to spin 15/2, and the 1/2-[541] and 9/2-[514] bands to spin 21/2. A new band, based on the 7/2-[523] configuration, is tentatively assigned from its bandhead to spin 13/2. The three-quasiparticle Kπ=19/2+ isomer is confirmed and its half-life determined to be 984±13(stat.)±30(sys.) μs, in agreement with previous results.",

author = "Garrett, {P. E.} and Archer, {D. E.} and Becker, {J. A.} and Bernstein, {L. A.} and K. Hauschild and Henry, {E. A.} and McNabb, {D. P.} and Stoyer, {M. A.} and W. Younes and Johns, {G. D.} and Nelson, {R. O.} and Wilburn, {W. S.}",

year = "2004",

month = jan,

doi = "10.1103/PhysRevC.69.017302",

language = "English",

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AU - Garrett, P. E.

AU - Archer, D. E.

AU - Becker, J. A.

AU - Bernstein, L. A.

AU - Hauschild, K.

AU - Henry, E. A.

AU - McNabb, D. P.

AU - Stoyer, M. A.

AU - Younes, W.

AU - Johns, G. D.

AU - Nelson, R. O.

AU - Wilburn, W. S.

PY - 2004/1

Y1 - 2004/1

N2 - Rotational bands in 175Lu have been extended through investigation with the (n, n' γ) reaction. Spallation neutrons bombarded Lu samples, and the resulting γ rays were detected in a large-scale Compton-suppressed Ge detector array. Prompt- and delayed-γγ coincidences have been used to extend the 5/2+[402] band to spin 17/2, the 3/2+[411] band to spin 11/2, the 1/2+[411] band to spin 15/2, and the 1/2-[541] and 9/2-[514] bands to spin 21/2. A new band, based on the 7/2-[523] configuration, is tentatively assigned from its bandhead to spin 13/2. The three-quasiparticle Kπ=19/2+ isomer is confirmed and its half-life determined to be 984±13(stat.)±30(sys.) μs, in agreement with previous results.

AB - Rotational bands in 175Lu have been extended through investigation with the (n, n' γ) reaction. Spallation neutrons bombarded Lu samples, and the resulting γ rays were detected in a large-scale Compton-suppressed Ge detector array. Prompt- and delayed-γγ coincidences have been used to extend the 5/2+[402] band to spin 17/2, the 3/2+[411] band to spin 11/2, the 1/2+[411] band to spin 15/2, and the 1/2-[541] and 9/2-[514] bands to spin 21/2. A new band, based on the 7/2-[523] configuration, is tentatively assigned from its bandhead to spin 13/2. The three-quasiparticle Kπ=19/2+ isomer is confirmed and its half-life determined to be 984±13(stat.)±30(sys.) μs, in agreement with previous results.

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Rotational bands and isomeric states in ¹⁷⁵Lu

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