Elsevier

Nuclear Physics A

Volume 206, Issue 1, 14 May 1973, Pages 207-216
Nuclear Physics A

Gamma-ray transitions from the lowest f = 2 states of 24Na and 28Al

https://doi.org/10.1016/0375-9474(73)90617-9Get rights and content

Abstract

The γ-ray decay modes of the lowest 0+, f = 2 states of 24Na and 28Al have been investigated with a Ge(Li) detector in the 22Ne(3He, p)24Na and 26Mg(3He, p)28Al reactions. Precise excitation energies of 5970.2 ± 0.9 keV and 5992.4 ± 0.4 keV were obtained for the 24Na and 28Al T = 2 states respectively. These energies are used to calculate the masses of the Tz = −1 and −2 members of each isobaric quintet and the branching ratios are compared with those of the analogous isovector M1 transitions in 24Mg and 28Si and also with shell model calculations.

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    Present address: Weizmann Institute of Science, Rehovot, Israel.

    ††

    Present address: Lawrence Berkeley Laboratory, Berkeley, California.

    †††

    Permanent address: The Hebrew University, Jerusalem, Israel.

    Present address: University of British Columbia, British Columbia, Canada.

    ‡‡

    National Science Foundation Faculty Fellow 1971-2. Permanent address: Oberlin College, Oberlin, Ohio, USA.

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