Novel two-loop SUSY effects on CP asymmetry in $B\to φK_{s}$

Details Novel two-loop SUSY effects on CP asymmetry in $B\to φK_{s}$ Novel two-loop SUSY effects on CP asymmetry in $B\to φK_{s}$

2004-03-17

arxiv.org/abs/hep-ph/0403188v4

Phys.Rev.D71:054012,2005

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, 1 figure, RevTex4; figure and text revised, refs. added and EDM of strange quark included, version to appear in Phys.

Scientific paper

10.1103/PhysRevD.71.054012

Inspired by the exotic measurements on the CP asymmetry in $B\to \phi K_{s}$, we study a new diagram in supersymmetric models which can make the difference $\sin2\phi^{eff}_{1}(J/\Psi K_{s})-\sin2\phi^{eff}_{1}(\phi K_{s})$ to be $20-50%$ after satisfying the constraint from $b\to s \gamma$. We also find that the direct CP asymmetry of $b\to s \gamma$ could be $\sim 10%$ and testable at $B$ factories.

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