dorsal/arxiv
View SchemaNew QCD Sum Rules for Nucleons in Nuclear Matter
| Authors | R. J. Furnstahl, Xuemin Jin, Derek B. Leinweber |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9511007 |
| URL | https://arxiv.org/abs/nucl-th/9511007 |
| DOI | 10.1016/0370-2693(96)01043-X |
| Journal | Phys. Lett. B387 (1996) 253 |
Abstract
Two new QCD sum rules for nucleons in nuclear matter are obtained from a mixed correlator of spin-1/2 and spin-3/2 interpolating fields. These new sum rules, which are insensitive to the poorly known four-quark condensates, provide additional information on the nucleon scalar self-energy. These new sum rules are analyzed along with previous spin-1/2 interpolator-based sum rules which are also insensitive to the poorly known four-quark condensates. The analysis indicates consistency with the expectations of relativistic nuclear phenomenology at nuclear matter saturation density. However, a weaker density dependence near saturation is suggested. Using previous estimates of in-medium condensate uncertainties, we find $M^* = 0.64^{+0.13}_{-0.09}$ GeV and $\Sigma_v = 0.29^{+0.06}_{-0.10}$ GeV at nuclear matter saturation density.
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"abstract": "Two new QCD sum rules for nucleons in nuclear matter are obtained from a\nmixed correlator of spin-1/2 and spin-3/2 interpolating fields. These new sum\nrules, which are insensitive to the poorly known four-quark condensates,\nprovide additional information on the nucleon scalar self-energy. These new sum\nrules are analyzed along with previous spin-1/2 interpolator-based sum rules\nwhich are also insensitive to the poorly known four-quark condensates. The\nanalysis indicates consistency with the expectations of relativistic nuclear\nphenomenology at nuclear matter saturation density. However, a weaker density\ndependence near saturation is suggested. Using previous estimates of in-medium\ncondensate uncertainties, we find $M^* = 0.64^{+0.13}_{-0.09}$ GeV and\n$\\Sigma_v = 0.29^{+0.06}_{-0.10}$ GeV at nuclear matter saturation density.",
"arxiv_id": "nucl-th/9511007",
"authors": [
"R. J. Furnstahl",
"Xuemin Jin",
"Derek B. Leinweber"
],
"categories": [
"nucl-th",
"hep-ph"
],
"doi": "10.1016/0370-2693(96)01043-X",
"journal_ref": "Phys. Lett. B387 (1996) 253",
"title": "New QCD Sum Rules for Nucleons in Nuclear Matter",
"url": "https://arxiv.org/abs/nucl-th/9511007"
},
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