Looking for forward backward asymmetries in $B\to K μ^+ μ^-$ and $K^+\to π^+μ^+μ^-$

Details Looking for forward backward asymmetries in $B\to K μ^+ μ^-$ and $K^+\to π^+μ^+μ^-$ Looking for forward backward asymmetries in $B\to K μ^+ μ^-$ and $K^+\to π^+μ^+μ^-$

2005-07-02

arxiv.org/abs/hep-ph/0507022v1

Phys.Lett. B621 (2005) 253-258

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 3 figures, version to appear in Phys. Letter. B

Scientific paper

10.1016/j.physletb.2005.06.086

We investigate the possibility of scalar interaction affecting the forward backward asymmetry in the decay mode $B\to K \mu^+ \mu^-$. Using the scalar contribution and advocating Cheng-Sher type ansatz we obtain sizable forward backward asymmetry. Furthermore, we study the effect of the scalar interaction in $K^+ \to \pi^+ \mu^+ \mu^-$. It is pointed out that non-zero forward backward asymmetry in $B\to K l^+ l^-$, if found in future B-factories, may indicate the new physics in the scalar sector.

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