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Magic even–even nuclei show phase transition

NOV 01, 1970

In possibly the first mother–son scientific collaboration, Gertrude Scharff‐Goldhaber (Brookhaven) and Alfred S. Goldhaber (Stony Brook) have suggested that in singly or doubly magic even–even nuclei there is a change in the nucleus resembling a first‐order phase transition, such as occurs when a superconductor goes normal. This change or rearrangement occurs between the 0+ ground state and a band of excited states 2+, 4+, 6+, and so on. The remarkable point, in the authors’ view, is not the existence of this phase transition, but rather that all other even–even nuclei exhibit a single phase in which the ground state is part of a quasi‐rotational band.

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This Content Appeared In
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Volume 23, Number 11

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