Studying the scalar bound states of KK system in Bethe-Salpeter formalism
Journal Article
·
· Physical Review. D, Particles Fields
- Institute of Low Energy Nuclear Physics, Beijing Normal University, Beijing 100875 (China)
We study the possible bound states of the KK system in the Bethe-Salpeter formalism in the ladder and instantaneous approximations. We find that the bound states exist. However, these bound states have very small decay widths. Therefore, besides the possible KK component, there may be some other structures in the observed f{sub 0}(980) and a{sub 0}(980)
- OSTI ID:
- 21027720
- Journal Information:
- Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 5 Vol. 76; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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