Spacing of nuclear ground-state levels in the region 94<~N<~114

R. C. Barber; J. O. Meredith; F. C.G. Southon; P. Williams; J. W. Barnard; K. Sharma; H. E. Duckworth

doi:10.1103/PhysRevLett.31.728

Spacing of nuclear ground-state levels in the region 94<~N<~114

R. C. Barber, J. O. Meredith, F. C.G. Southon, P. Williams, J. W. Barnard, K. Sharma, H. E. Duckworth

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

4 Scopus citations

Abstract

New atomic-mass determinations are reported which establish the masses of Hf174 and W180 with significantly improved precision, and lead to new values for the double-neutron separation energies S2n of Hf176, W180, and W182. A plot of S2n in the region 94<~N<~114 now shows systematic downward breaks at N=98, 104, and 108. These features are interpreted in terms of energy gaps above the Nilsson single-particle levels 92+[624] (N=108), 52-[523] (N=98), and 1/2-[512] (N=104).

Original language	English (US)
Pages (from-to)	728-730
Number of pages	3
Journal	Physical Review Letters
Volume	31
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevLett.31.728
State	Published - Jan 1 1973
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy(all)

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title = "Spacing of nuclear ground-state levels in the region 94<~N<~114",

abstract = "New atomic-mass determinations are reported which establish the masses of Hf174 and W180 with significantly improved precision, and lead to new values for the double-neutron separation energies S2n of Hf176, W180, and W182. A plot of S2n in the region 94<~N<~114 now shows systematic downward breaks at N=98, 104, and 108. These features are interpreted in terms of energy gaps above the Nilsson single-particle levels 92+[624] (N=108), 52-[523] (N=98), and 1/2-[512] (N=104).",

author = "Barber, {R. C.} and Meredith, {J. O.} and Southon, {F. C.G.} and P. Williams and Barnard, {J. W.} and K. Sharma and Duckworth, {H. E.}",

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T1 - Spacing of nuclear ground-state levels in the region 94<~N<~114

AU - Barber, R. C.

AU - Meredith, J. O.

AU - Southon, F. C.G.

AU - Williams, P.

AU - Barnard, J. W.

AU - Sharma, K.

AU - Duckworth, H. E.

PY - 1973/1/1

Y1 - 1973/1/1

N2 - New atomic-mass determinations are reported which establish the masses of Hf174 and W180 with significantly improved precision, and lead to new values for the double-neutron separation energies S2n of Hf176, W180, and W182. A plot of S2n in the region 94<~N<~114 now shows systematic downward breaks at N=98, 104, and 108. These features are interpreted in terms of energy gaps above the Nilsson single-particle levels 92+[624] (N=108), 52-[523] (N=98), and 1/2-[512] (N=104).

AB - New atomic-mass determinations are reported which establish the masses of Hf174 and W180 with significantly improved precision, and lead to new values for the double-neutron separation energies S2n of Hf176, W180, and W182. A plot of S2n in the region 94<~N<~114 now shows systematic downward breaks at N=98, 104, and 108. These features are interpreted in terms of energy gaps above the Nilsson single-particle levels 92+[624] (N=108), 52-[523] (N=98), and 1/2-[512] (N=104).

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Spacing of nuclear ground-state levels in the region 94<~N<~114

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