Probing shell structure and shape changes in neutron-rich sulfur isotopes through transient-field g factor measurements on fast radioactive beams of 38S and 40S

A. D. Davies , A. E. Stuchbery , P. F. Mantica , P. M. Davidson , A. N. Wilson , A. Becerril , B. A. Brown , C. M. Campbell

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J. M. Cook D. C. Dinca A. Gade S. N. Liddick T. J. Mertzimekis W. F. Mueller J. R. Terry B. E. Tomlin K. Yoneda H. Zwahlen

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classification ⚛️ nucl-ex

keywords beamschangescontributionsfactorfastneutron-richnucleiradioactive

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The shell structure underlying shape changes in neutron-rich nuclei near N=28 has been investigated by a novel application of the transient field technique to measure the first-excited state g factors in 38S and 40S produced as fast radioactive beams. There is a fine balance between proton and neutron contributions to the magnetic moments in both nuclei. The g factor of deformed 40S does not resemble that of a conventional collective nucleus because spin contributions are more important than usual.

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Probing shell structure and shape changes in neutron-rich sulfur isotopes through transient-field g factor measurements on fast radioactive beams of 38S and 40S

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