Different Interaction Models in Strong Decays of Negative Parity N* Resonances Under 2 GeV |
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Authors: | HE Jun and DONG Yu-Bing |
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Affiliation: | Institute of High Energy Physics, the Chinese Academy of Sciences,Beijing 100039, China |
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Abstract: | In this paper, by using harmonic-oscillator wave functions ofdifferent interaction models, i.e. OPE (one-pion-exchange model), OPsE(only pseudoscalar meson exchange model), the extended GBE(Goldstone-boson-exchange model including vector and scalarmesons), and OGE (one-gluon-exchange model), we calculate andcompare the strong decays of negative parity N* resonancesunder 2 GeV. We find that the conventional mixing angles arecorrect, and GBE and OGE are obviously superior to OPE and OPsE. |
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Keywords: | interaction models strong decay N* resonance |
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