Rare Electroweak Processes $K^0_L \to \mu^+ \mu^-$ and $K^0_L \to \gamma \gamma$ and Heavy Top Quark

A.A.Gvozdev; L.A.Vassilevskaya; N.V.Mikheev

arxiv: hep-ph/9409450 · v1 · submitted 1994-09-30 · ✦ hep-ph

Rare Electroweak Processes K⁰_L to μ^+ μ^- and K⁰_L to γ γ and Heavy Top Quark

A.A.Gvozdev , N.V.Mikheev , L.A.Vassilevskaya This is my paper

classification ✦ hep-ph

keywords gammaheavyquarkrareagreementb-physicsbranchingbrief

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A brief overview of the recent measurements of the branching ratio of the rare $K_L^0 \to \mu^+ \mu^-$ decay in the context of their agreement with the Standard Model (SM) is given. It is shown that KEK result well correlates with the SM and B-physics, whereas the BNL results are in conflict with the SM with the heavy top quark.

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Rare Electroweak Processes K⁰_L to μ^+ μ^- and K⁰_L to γ γ and Heavy Top Quark

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