dorsal/arxiv
View SchemaEffective field theory for lambda-sigma^0 mixing in nuclear matter
| Authors | Horst Mueller |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9810055 |
| URL | https://arxiv.org/abs/nucl-th/9810055 |
| DOI | 10.1103/PhysRevC.59.1405 |
| Journal | Phys.Rev. C59 (1999) 1405-1421 |
Abstract
We extend the effective field theory approach which successfully describes ordinary nuclei and nuclear matter to incorporate strangeness in nuclear structure. Central object is a chiral effective Lagrangian involving the baryon octet, the Goldstone boson octet, the vector meson octet and a light scalar singlet. According to the rules of effective field theory, we include all interaction terms (up to a given order of truncation) that are consistent with the underlying symmetries of QCD. We develop a mean-field approximation and study nuclear matter as a simple model for multi-strange systems. A D-type Yukawa coupling between baryons and vector mesons leads to lambda-sigma^0 flavor mixing in the nuclear medium. We study flavor oscillations in the nuclear matter ground state which are closely related to the phenomenon of neutrino oscillations.
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"abstract": "We extend the effective field theory approach which successfully describes\nordinary nuclei and nuclear matter to incorporate strangeness in nuclear\nstructure. Central object is a chiral effective Lagrangian involving the baryon\noctet, the Goldstone boson octet, the vector meson octet and a light scalar\nsinglet. According to the rules of effective field theory, we include all\ninteraction terms (up to a given order of truncation) that are consistent with\nthe underlying symmetries of QCD. We develop a mean-field approximation and\nstudy nuclear matter as a simple model for multi-strange systems. A D-type\nYukawa coupling between baryons and vector mesons leads to lambda-sigma^0\nflavor mixing in the nuclear medium. We study flavor oscillations in the\nnuclear matter ground state which are closely related to the phenomenon of\nneutrino oscillations.",
"arxiv_id": "nucl-th/9810055",
"authors": [
"Horst Mueller"
],
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"doi": "10.1103/PhysRevC.59.1405",
"journal_ref": "Phys.Rev. C59 (1999) 1405-1421",
"title": "Effective field theory for lambda-sigma^0 mixing in nuclear matter",
"url": "https://arxiv.org/abs/nucl-th/9810055"
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