Concerning the anomalous Fermi strength in the β+-decay of 20Na and mirror symmetry in the mass-20 multiplet

doi:10.1016/0370-2693(72)90410-8

Physics Letters B

Volume 40, Issue 2, 26 June 1972, Pages 203-204

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Abstract

The β⁺-strength in the decay of ²⁰Na to the isobaric analog state in ²⁰Ne has been measured precisely. Contrary to previous measurements, it has been found that essentially the full Fermi strength is associated with this transition. A test of mirror symmetry has also been made for the decay to the first excited state of ²⁰Ne. There is evidence of an asymmetry somewhat smaller than that expected from the Wilkinson systematics.

References (9)

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^☆: Work supported by the U.S. Atomic Energy Commission and Robert A. Welch Foundation.

^∗∗: Permanent address: Institut für Technische Kernphysik der Technischen Hochschule, Darmstadt, Germany.

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Physics Letters B

Concerning the anomalous Fermi strength in the β+-decay of 20Na and mirror symmetry in the mass-20 multiplet☆

Abstract

Nucl. Phys.

Nucl. Instr.

Phys. Letters

Phys. Rev.

Concerning the anomalous Fermi strength in the β⁺-decay of ²⁰Na and mirror symmetry in the mass-20 multiplet☆