Realistic two-baryon potential coupling two-nucleon and nucleon-Δ-isobar states: Fit and applications to three-nucleon system

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Deltuva, A.; Machleidt, R.; Sauer, P.U.: Realistic two-baryon potential coupling two-nucleon and nucleon-Δ-isobar states: Fit and applications to three-nucleon system. In: Physical Review C 68 (2003), Nr. 2, 024005. DOI: https://doi.org/10.1103/PhysRevC.68.024005

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Abstract: 
A two-baryon coupled-channel potential is developed. It couples two-nucleon states and states in which one nucleon is turned into a Δ isobar. It is developed as extension of the purely nucleonic charge-dependent (CD) Bonn potential. It is fitted to two-nucleon scattering data up to 350 MeV nucleon lab energy. Since scattering energies just touch the pion-production threshold, the Δ isobar is considered a stable baryon. The resulting fit of the coupled-channel potential is of the same quality as that for CD Bonn. The coupled-channel potential is as realistic as CD Bonn and as any other modern two-nucleon potential. It is charge-dependent as CD Bonn. It is employed for the description of elastic and inelastic three-nucleon scattering. The Δ isobar yields an effective three-nucleon force in the three-nucleon system, besides other effects. Δ-isobar effects in three-nucleon scattering are isolated and discussed.
License of this version: Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden.
Document Type: article
Publishing status: publishedVersion
Issue Date: 2003
Appears in Collections:Fakultät für Mathematik und Physik

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pos. country downloads
total perc.
1 image of flag of Germany Germany 12 48.00%
2 image of flag of No geo information available No geo information available 2 8.00%
3 image of flag of United States United States 2 8.00%
4 image of flag of Russian Federation Russian Federation 2 8.00%
5 image of flag of Seychelles Seychelles 1 4.00%
6 image of flag of Poland Poland 1 4.00%
7 image of flag of Mexico Mexico 1 4.00%
8 image of flag of Iran, Islamic Republic of Iran, Islamic Republic of 1 4.00%
9 image of flag of Hong Kong Hong Kong 1 4.00%
10 image of flag of China China 1 4.00%
    other countries 1 4.00%

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