The s-sbar and K-Kbar nature of f_0(980) in D_s decays

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dc.creatorDeandrea, A.
dc.creatorGatto, R.
dc.creatorNardulli, G.
dc.creatorPolosa, A. D.
dc.creatorTornqvist, N. A.
dc.date2000-12-11
dc.date.accessioned2026-07-07T10:32:47Z
dc.date.available2026-07-07T10:32:47Z
dc.descriptionWe 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.
dc.description8 pages, 5 figures
dc.identifierhttps://arxiv.org/abs/hep-ph/0012120
dc.identifierhttp://arxiv.org/abs/hep-ph/0012120
dc.identifierPhys.Lett.B502:79-86,2001
dc.identifierdoi:10.1016/S0370-2693(01)00183-6
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/178873
dc.subjectHigh Energy Physics - Phenomenology
dc.titleThe s-sbar and K-Kbar nature of f_0(980) in D_s decays
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