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in creator/contributor: "Zganjar, E.F."

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Electric monopole transitions: What they can tell us about nuclear structure

A brief survey of E0 strength in a number of nuclei in different regions of the nuclear chart is presented. The connection between E0 strength and shape coexistence is reviewed. Nuclear structure information obtained from measurements of electric monopole transitions in {sup 184}Pt and {sup 187}Au is discussed. Plans for future experiments utilizing radioactive ion beams and E0 internal-pair-formation is presented.

Date: December 31, 1995

Creator: Zganjar, E.F. & Wood, J.L.

Item Type: Article

Partner: UNT Libraries Government Documents Department

open access

Study of {sup 189}Bi{sup m} {alpha} decay

In a series of {sup 48}Ti bombardments of {sup 144}Sm the decay energy of the {sup 189}Bi{sup m} ({pi}s{sub 1/2}) {alpha} transition that proceeds to the {pi}s{sub 1/2} ground state of {sup 185}Tl was measured to be 7.30(4) MeV. This result establishes the excitation energy of {sup 189}Bi{sup m} as 190(40) keV rather than the adopted 92(10)-keV value. Our data thus indicate a leveling off in excitation energy at N {approx} 106 for the s{sub 1/2} intruder state in odd-A Bi isotopes.

Date: December 1995

Creator: Batchelder, J. C.; Zganjar, E. F. & Toth, K. S.