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The s-sbar and K-Kbar nature of f_0(980) in D_s decays | | A. Deandrea
; R. Gatto
; G. Nardulli
; A.D. Polosa
; N.A. Tornqvist
; | | Date: |
11 Dec 2000 | | Journal: | Phys.Lett. B502 (2001) 79-86 | | Subject: | hep-ph | | Abstract: | We examine the D_s -> f_0(980) pi amplitude through a constituent quark-meson model, incorporating heavy quark and chiral symmetries, finding a good agreement with the recent E791 data analysis of D_s -> 3pi via f_0(980). The f_0(980) resonance is considered at the moment of production as an s sbar state, later evolving to a superposition of mainly s sbar and K Kbar. The analysis is also extended to the more frequent process D_s -> phi pi. | | Source: | arXiv, hep-ph/0012120 | | Services: | Forum | Review | PDF | Favorites | |
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