Y87 states populated by single-proton stripping

J. V. Maher; J. R. Comfort; G. C. Morrison

doi:10.1103/PhysRevC.3.1162

Y87 states populated by single-proton stripping

J. V. Maher, J. R. Comfort, G. C. Morrison

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38 Scopus citations

Abstract

The Sr86(He3,d)Y87 reaction was studied at a laboratory beam energy of 20 MeV to test the possible closed-subshell behavior of the 38-proton configuration. The ground-state Q value is found to be 0.346 ± 0.015 MeV. Several new states were identified below an excitation energy of 3.45 MeV. A distorted-wave analysis was used to assign l values for the stripping transitions. Spectroscopic strengths agree well with sum-rule expectations for the 2p, 1f, and 1g72 configurations. Comparison with the results of Picard and Bassani for the Sr88(He3,d)Y89 reaction indicates qualitative agreement with shell-model expectations for 2p and 1g strengths but significant deviations for 1f strength and for low-lying 2d strength.

Original language	English (US)
Pages (from-to)	1162-1168
Number of pages	7
Journal	Physical Review C
Volume	3
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevC.3.1162
State	Published - 1971
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.3.1162

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title = "Y87 states populated by single-proton stripping",

abstract = "The Sr86(He3,d)Y87 reaction was studied at a laboratory beam energy of 20 MeV to test the possible closed-subshell behavior of the 38-proton configuration. The ground-state Q value is found to be 0.346 ± 0.015 MeV. Several new states were identified below an excitation energy of 3.45 MeV. A distorted-wave analysis was used to assign l values for the stripping transitions. Spectroscopic strengths agree well with sum-rule expectations for the 2p, 1f, and 1g72 configurations. Comparison with the results of Picard and Bassani for the Sr88(He3,d)Y89 reaction indicates qualitative agreement with shell-model expectations for 2p and 1g strengths but significant deviations for 1f strength and for low-lying 2d strength.",

author = "Maher, {J. V.} and Comfort, {J. R.} and Morrison, {G. C.}",

year = "1971",

doi = "10.1103/PhysRevC.3.1162",

language = "English (US)",

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pages = "1162--1168",

journal = "Physical Review C",

issn = "0556-2813",

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TY - JOUR

T1 - Y87 states populated by single-proton stripping

AU - Maher, J. V.

AU - Comfort, J. R.

AU - Morrison, G. C.

PY - 1971

Y1 - 1971

N2 - The Sr86(He3,d)Y87 reaction was studied at a laboratory beam energy of 20 MeV to test the possible closed-subshell behavior of the 38-proton configuration. The ground-state Q value is found to be 0.346 ± 0.015 MeV. Several new states were identified below an excitation energy of 3.45 MeV. A distorted-wave analysis was used to assign l values for the stripping transitions. Spectroscopic strengths agree well with sum-rule expectations for the 2p, 1f, and 1g72 configurations. Comparison with the results of Picard and Bassani for the Sr88(He3,d)Y89 reaction indicates qualitative agreement with shell-model expectations for 2p and 1g strengths but significant deviations for 1f strength and for low-lying 2d strength.

AB - The Sr86(He3,d)Y87 reaction was studied at a laboratory beam energy of 20 MeV to test the possible closed-subshell behavior of the 38-proton configuration. The ground-state Q value is found to be 0.346 ± 0.015 MeV. Several new states were identified below an excitation energy of 3.45 MeV. A distorted-wave analysis was used to assign l values for the stripping transitions. Spectroscopic strengths agree well with sum-rule expectations for the 2p, 1f, and 1g72 configurations. Comparison with the results of Picard and Bassani for the Sr88(He3,d)Y89 reaction indicates qualitative agreement with shell-model expectations for 2p and 1g strengths but significant deviations for 1f strength and for low-lying 2d strength.

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Y87 states populated by single-proton stripping

Abstract

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