Violation of the Delta-I=1/2 rule in non-leptonic decays
197013 pages
Published in:
- Nucl.Phys.B 22 (1970) 448-460
- Published: 1970
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Abstract: (Elsevier)
Tree graph contributions to the non-leptonic decays are calculated. They give the correct order of magnitude for the |Δ I | = 3 2 amplitude; their contribution is, however, too large by roughly a factor 2. Since this result appears consistently in all accessible non-leptonic decays we conclude that prominent parts of the non-leptonic amplitude as given by the tree-graph contributions are partially cancelled or suppressed by an unknown mechanism.- selection rule: isospin
- isospin: selection rule
- violation: selection rule
- k: nonleptonic decay
- nonleptonic decay: k
- hyperon: nonleptonic decay
- nonleptonic decay: hyperon
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