The K^{+}--->π^{+}ν\bar{nu} Rare Decay in Two Higgs Doublet Model

Abstract

The rare k+--->pi+ ν\barν decay is investigated in the context of type II two-Higgs-doublet model (2HDM). By using the existing experimental data of the branching ratio, restrictions on the free parameters of the model m_H, and tanβare obtained: tanβbelong to the range 0.7- o.8, and m_H belong to the range 500- 700 GeV.

12 pages, latex file, 3 figures, postscript files

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