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Matching Pion-Nucleon Roy-Steiner Equations to Chiral Perturbation Theory
Open accessAbstract
We match the results for the subthreshold parameters of pion-nucleon scattering obtained from a solution of Roy-Steiner equations to chiral perturbation theory up to next-to-next-to-next-to-leading order, to extract the pertinent low-energy constants including a comprehensive analysis of systematic uncertainties and correlations. We study the convergence of the chiral series by investigating the chiral expansion of threshold parameters up to the same order and discuss the role of the Δ(1232) resonance in this context. Results for the low-energy constants are also presented in the counting scheme usually applied in chiral nuclear effective field theory, where they serve as crucial input to determine the long-range part of the nucleon-nucleon potential as well as three-nucleon forces.
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Citations
Cites
Modern theory of nuclear forces
Epelbaum, E., Hammer, H.-W., & Meißner, U.-G. (2009) · Reviews of Modern Physics · doi:10.1103/revmodphys.81.1773 · Cited by 1,883
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Cited by
High-quality two-nucleon potentials up to fifth order of the chiral expansion
Entem, D. R., Machleidt, R., & Nosyk, Y. (2017) · Physical Review C · doi:10.1103/physrevc.96.024004 · Cited by 355
θ -dependence of light nuclei and nucleosynthesis
Lee, D., Meißner, U.-G., Olive, K. A., Shifman, M., & Vonk, T. (2020) · Physical Review Research · doi:10.1103/physrevresearch.2.033392 · Cited by 29
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Metadata
- Authors
- Hoferichter, M., Ruiz de Elvira, J., Kubis, B., & Meißner, U.-G.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2015-11-04
- Volume
- 115
- Issue
- 19
- Pages
- 192301-192301
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2217786915
- Cited by
- 206
- References
- 1
- FWCI
- 7.66
- Type
- journal article
- Language
- en
- Open access
- green
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- Hoferichter, M., Ruiz de Elvira, J., Kubis, B., & Meißner, U.-G. (2015). Matching Pion-Nucleon Roy-Steiner Equations to Chiral Perturbation Theory. Physical Review Letters. https://doi.org/10.1103/physrevlett.115.192301
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