antinucleon-nucleon interaction in chiral effective field theory
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ID: 155815
2018
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Abstract
A study of the antinucleon-nucleon interaction within chiral effective theory is presented. This novel approach suggested by Weinberg for investigating nucleon-nucleon interaction can be adapted straightforwardly to the antinucleon-system. The antinucleon-nucleon potential is derived up to next-to-next-to-next-order in the chiral expansion. The low-energy constants associated with arising contact interactions are fixed by a fit to phase shifts and inelasticities provided by a recently published phase-shift analysis of antiproton-proton scattering data. Theachieved description of the antinucleon-nucleon amplitudes is excellent and of a qualitycomparable to the one found in case of the nucleon-nucleon interaction at the same order.
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johann2018epjantinucleon-nucleon
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| Authors | ;Haidenbauer Johann |
| Journal | utilitas mathematica |
| Year | 2018 |
| DOI |
10.1051/epjconf/201818101028
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