dorsal/arxiv
View SchemaChiral Limit of Nuclear Physics
| Authors | Aurel BULGAC, Gerald A. MILLER, Mark STRIKMAN |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/9708045 |
| URL | https://arxiv.org/abs/nucl-th/9708045 |
| DOI | 10.1103/PhysRevC.56.3307 |
| Journal | Phys.Rev.C56:3307-3310,1997 |
Abstract
We study nuclear physics in the chiral limit ($m_u$, $m_d=0$) in which the pion mass vanishes. We find that the deuteron mass is changed little, but that P--wave nucleon--nucleon scattering volumes are infinite. This motivates an investigation of the possibilities that there could be a two--nucleon $^3P_0$ bound state, and that the nuclear matter ground state is likely to be a condensed state of nucleons paired to those quantum numbers. However, the short distance repulsion in the nucleon--nucleon potential is not affected by the chiral limit and prevents such new chiral possibilities. Thus the chiral limit physics of nuclei is very similar to that of nature. Using the chiral limit to simplify QCD sum rule calculations of nuclear matter properties seems to be a reasonable approximation.
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"abstract": "We study nuclear physics in the chiral limit ($m_u$, $m_d=0$) in which the\npion mass vanishes. We find that the deuteron mass is changed little, but that\nP--wave nucleon--nucleon scattering volumes are infinite. This motivates an\ninvestigation of the possibilities that there could be a two--nucleon $^3P_0$\nbound state, and that the nuclear matter ground state is likely to be a\ncondensed state of nucleons paired to those quantum numbers. However, the short\ndistance repulsion in the nucleon--nucleon potential is not affected by the\nchiral limit and prevents such new chiral possibilities. Thus the chiral limit\nphysics of nuclei is very similar to that of nature. Using the chiral limit to\nsimplify QCD sum rule calculations of nuclear matter properties seems to be a\nreasonable approximation.",
"arxiv_id": "nucl-th/9708045",
"authors": [
"Aurel BULGAC",
"Gerald A. MILLER",
"Mark STRIKMAN"
],
"categories": [
"nucl-th"
],
"doi": "10.1103/PhysRevC.56.3307",
"journal_ref": "Phys.Rev.C56:3307-3310,1997",
"title": "Chiral Limit of Nuclear Physics",
"url": "https://arxiv.org/abs/nucl-th/9708045"
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