Elsevier

Nuclear Physics A

Volume 634, Issue 4, 18 May 1998, Pages 475-496
Nuclear Physics A

Beta decay of 31Ar

https://doi.org/10.1016/S0375-9474(98)00172-9Get rights and content

Abstract

A complete study of 31Ar beta decay has been made by high-resolution charged-particle and gamma-ray spectroscopy. Beta-delayed radiation was detected by an array of three charged-particle detectors and a large-volume germanium detector. Fifteen new energy levels were discovered in 31Cl. The beta-strength distribution, measured to 14.5 MeV, is compared with a shell-model calculation in the full sd space. The quenching of the Gamow-Teller strength and the isospin impurity of the IAS in 31Cl are discussed.

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    Permanent address: Kurchatov Institute, 123182 Moscow, Russia.

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