dorsal/arxiv
View SchemaNuclear Parity-Violation in Effective Field Theory
| Authors | Shi-Lin Zhu, C. M. Maekawa, B. R. Holstein, M. J. Ramsey-Musolf, U van Kolck |
|---|---|
| Categories | |
| ArXiv ID | nucl-th/0407087 |
| URL | https://arxiv.org/abs/nucl-th/0407087 |
| DOI | 10.1016/j.nuclphysa.2004.10.032 |
| Journal | Nucl.Phys.A748:435-498,2005 |
Abstract
We reformulate the analysis of nuclear parity-violation (PV) within the framework of effective field theory (EFT). To order Q, the PV nucleon-nucleon (NN) interaction depends on five a priori unknown constants that parameterize the leading-order, short-range four-nucleon operators. When pions are included as explicit degrees of freedom, the potential contains additional medium- and long-range components parameterized by PV piNN couplings. We derive the form of the corresponding one- and two-pion-exchange potentials. We apply these considerations to a set of existing and prospective PV few-body measurements that may be used to determine the five independent low-energy constants relevant to the pionless EFT and the additional constants associated with dynamical pions. We also discuss the relationship between the conventional meson-exchange framework and the EFT formulation, and argue that the latter provides a more general and systematic basis for analyzing nuclear PV.
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"abstract": "We reformulate the analysis of nuclear parity-violation (PV) within the\nframework of effective field theory (EFT). To order Q, the PV nucleon-nucleon\n(NN) interaction depends on five a priori unknown constants that parameterize\nthe leading-order, short-range four-nucleon operators. When pions are included\nas explicit degrees of freedom, the potential contains additional medium- and\nlong-range components parameterized by PV piNN couplings. We derive the form of\nthe corresponding one- and two-pion-exchange potentials. We apply these\nconsiderations to a set of existing and prospective PV few-body measurements\nthat may be used to determine the five independent low-energy constants\nrelevant to the pionless EFT and the additional constants associated with\ndynamical pions. We also discuss the relationship between the conventional\nmeson-exchange framework and the EFT formulation, and argue that the latter\nprovides a more general and systematic basis for analyzing nuclear PV.",
"arxiv_id": "nucl-th/0407087",
"authors": [
"Shi-Lin Zhu",
"C. M. Maekawa",
"B. R. Holstein",
"M. J. Ramsey-Musolf",
"U van Kolck"
],
"categories": [
"nucl-th",
"hep-ex",
"hep-ph",
"nucl-ex"
],
"doi": "10.1016/j.nuclphysa.2004.10.032",
"journal_ref": "Nucl.Phys.A748:435-498,2005",
"title": "Nuclear Parity-Violation in Effective Field Theory",
"url": "https://arxiv.org/abs/nucl-th/0407087"
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