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SU 4×SU4 Chiral symmetry for pseudoscalar mesons

SU 4×SU4 киральная симметрия для псевдоскалярных мезонов

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Il Nuovo Cimento A (1965-1970)

Summary

The predictions for the pseudoscalar mesons ofSU 4×SU 4 andSU 3×SU3 chiral symmetries with PCAC are studied.SU 4×SU4 is found reasonably good and consistent withSU 3×SU3. TheSU 4-symmetry partner of η is forced at the mass region of E(1420) rather than of η′(958). The x-meson is predicted around 2.9 GeV and the F at ≈1.92 GeV. The axial-current couplings satisfyf π≃f K≃f D≃f F.

Riassunto

Si studiano le predizioni per i mesoni pseudoscalari delle simmetrie chiraliSU 4×SU4 edSU 3×SU3 con il PCAC. Si trova cheSU 4×SU4 è ragionevolmente valido e consistente conSU 3×SU3. Il compagno della simmetriaSU 4 di η è costretto nella regione di massa di E(1420) piuttosto che di η′(958). Si predice il mesone x attorno a 2.9 GeV e F a ≈1.92 GeV. Gli accoppiamenti di corrente assiale soddisfanof π≃f K≃f D≃f F.

Резюме

Исследуются предсказания для псевдоскалярных мезоновSU 4×SU4 иSU 3×SU3 киральных симметрий. Обнаружено, чтоSU 4×SU4 дает доволыно хорошие результаты и эти предсказания согласуются сSU 3×SU3.SU 4 симметрия определяет η в массовой области E(1420), а не η′(958). Предскаэывается х-мезон вблизи 2.9 ГэВ и F при ≈1.92 ГэВ. Связи аксиальных токов удовлетворяют соотношениюf π≃f K≃f D≃f F.

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Authors and Affiliations

  1. Department of Physics, University of Ioannina, Ioannina, Greece

    G. J. Gounaris & S. B. Sarantakos

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  1. G. J. Gounaris
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  2. S. B. Sarantakos
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Gounaris, G.J., Sarantakos, S.B. SU 4×SU4 Chiral symmetry for pseudoscalar mesons. Nuov Cim A 39, 554–569 (1977). https://doi.org/10.1007/BF02771030

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