Three-body model of the final state interaction in heavy meson decay
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Data
2010-02-01
Autores
Guimaraes, K. S. F. F.
Bediaga, I.
Delfino, A.
Frederico, T.
dos Reis, A. C.
Tomio, L. [UNESP]
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Elsevier B.V.
Resumo
We develop a relativistic three-body model for the final state interaction in D(+) -> K(-) pi(+) pi(+) decay based on the ladder approximation of the Bethe-Salpeter equation. The decay amplitude has the standard two-meson resonant transition matrix modulated by a spectator amplitude that carries a fully interacting three-body contribution and a smooth background term from the partonic amplitude. Our calculations are compared with D decay data.
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Nuclear Physics B-proceedings Supplements. Amsterdam: Elsevier B.V., v. 199, p. 341-344, 2010.