dorsal/arxiv
View SchemaRole of quark-quark correlation in baryon structure and non-leptonic weak transitions of hyperons
| Authors | E. Hiyama, K. Suzuki, H. Toki, M. Kamimura |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0402007 |
| URL | https://arxiv.org/abs/nucl-th/0402007 |
| DOI | 10.1143/PTP.112.99 |
| Journal | Prog.Theor.Phys. 112 (2004) 99-117 |
Abstract
We study the role of quark-quark correlation in the baryon structure and, in particular, the hyperon non-leptonic weak decay, which is sensitive to the correlation between quarks in the spin-0 channel. We rigorously solve non-relativistic three-body problem for SU(3) ground state baryons to take into account the quark-pair correlation explicitly. With the suitable attraction in the spin-0 channel, resulting static baryon properties as well as the parity conserving weak decay amplitudes agree with the experimental values. Special emphasis is placed also on the effect of the SU(6) spin-flavor symmetry breaking on the baryon structure. Although the SU(6) breaking effects on the local behavior of the quark wave functions are considerable due to the spin-0 attraction, the calculated magnetic moments are almost the same as the naive SU(6) expectations.
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"abstract": "We study the role of quark-quark correlation in the baryon structure and, in\nparticular, the hyperon non-leptonic weak decay, which is sensitive to the\ncorrelation between quarks in the spin-0 channel. We rigorously solve\nnon-relativistic three-body problem for SU(3) ground state baryons to take into\naccount the quark-pair correlation explicitly. With the suitable attraction in\nthe spin-0 channel, resulting static baryon properties as well as the parity\nconserving weak decay amplitudes agree with the experimental values. Special\nemphasis is placed also on the effect of the SU(6) spin-flavor symmetry\nbreaking on the baryon structure. Although the SU(6) breaking effects on the\nlocal behavior of the quark wave functions are considerable due to the spin-0\nattraction, the calculated magnetic moments are almost the same as the naive\nSU(6) expectations.",
"arxiv_id": "nucl-th/0402007",
"authors": [
"E. Hiyama",
"K. Suzuki",
"H. Toki",
"M. Kamimura"
],
"categories": [
"nucl-th"
],
"doi": "10.1143/PTP.112.99",
"journal_ref": "Prog.Theor.Phys. 112 (2004) 99-117",
"title": "Role of quark-quark correlation in baryon structure and non-leptonic weak transitions of hyperons",
"url": "https://arxiv.org/abs/nucl-th/0402007"
},
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