Charge symmetry of the nuclear force as off-shell constraint

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Sauer, P.U.: Charge symmetry of the nuclear force as off-shell constraint. In: Physical Review C 11 (1975), Nr. 5, S. 1786-1802. DOI: https://doi.org/10.1103/PhysRevC.11.1786

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Sum total of downloads: 42




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Abstract: 
Off-shell changes are generated in the 1S0 nucleon-nucleon interaction using the Reid soft-core potential and unitary transformations of short range. Charge symmetry is assumed for the nuclear force. The same off-shell variations of the Reid potential are employed as the hadronic part of the proton-proton interaction and as neutron-neutron interaction. The Reid potential fits the experimental proton-proton data. It also accounts for the neutron-neutron scattering length with satisfying accuracy. The off-shell behavior of the Reid potential is varied in two different ways. First, off-shell changes are performed which preserve the fit to the proton-proton data. Most transformed potentials of the type attempted here are unable to yield the correct experimental value of the neutron-neutron scattering length and have to be rejected. A simple practical rule is given according to which the off-shell changes consistent with the neutron-neutron scattering length can be selected. Second, off-shell changes are performed which leave the neutron-neutron scattering length unaltered. Transformed potentials of this type have usually been employed in nuclear-structure calculations. The potentials which exhibit large off-shell effects in nuclear structure are unable to account for the experimental proton-proton data. Their off-shell effects are therefore of no physical significance, and the potentials have to be rejected. A simple practical rule is given according to which the off-shell changes consistent with the experimental proton-proton data can be selected.
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: 1975
Appears in Collections:Fakultät für Mathematik und Physik

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pos. country downloads
total perc.
1 image of flag of Germany Germany 26 61.90%
2 image of flag of No geo information available No geo information available 2 4.76%
3 image of flag of United States United States 2 4.76%
4 image of flag of Netherlands Netherlands 2 4.76%
5 image of flag of United Kingdom United Kingdom 2 4.76%
6 image of flag of Czech Republic Czech Republic 2 4.76%
7 image of flag of Vietnam Vietnam 1 2.38%
8 image of flag of France France 1 2.38%
9 image of flag of China China 1 2.38%
10 image of flag of Australia Australia 1 2.38%
    other countries 2 4.76%

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