Test of Wigner's spin-isospin symmetry from double binding energy differences

Test of Wigner's spin-isospin symmetry from double binding energy differences

It is shown that the anomalously large double binding energy differences for even-even N = Z nuclei are a consequence of Wigner's SU(4) symmetry. These, and similar quantities for odd-mass and odd-odd nuclei, provide a simple and distinct signature of this symmetry in N≃Z nuclei.

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Veröffentlicht in:Physical Review Letters 1995-06, Vol.74 (23), p.4607-4610
Hauptverfasser: Van Isacker P, Warner, DD, Brenner, DS
Format: Artikel
Sprache:eng
Schlagworte:
BINDING ENERGY
EVEN-EVEN NUCLEI
ISOSPIN
NUCLEAR FORCES
Nuclear Theory
ODD-ODD NUCLEI
PHYSICS
SPIN
SU-4 GROUPS
SYMMETRY
TESTING
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Zusammenfassung:It is shown that the anomalously large double binding energy differences for even-even N = Z nuclei are a consequence of Wigner's SU(4) symmetry. These, and similar quantities for odd-mass and odd-odd nuclei, provide a simple and distinct signature of this symmetry in N≃Z nuclei.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.74.4607