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arxiv: 1009.3398 · v3 · pith:BM6Y7ZXHnew · submitted 2010-09-17 · ✦ hep-ph · hep-ex

Large Dimuon Asymmetry In Bs-bar B_s Mixing From Unparticle Indced Gamma¹²_s

classification ✦ hep-ph hep-ex
keywords gammalargeunparticlemixingasymmetrydatadimensiondimuon
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Exchange of unparticle stuff of dimension $d_\U$ with FCNC interaction can induce $M^{12,u}$ and $\Gamma^{12,u}$ causing meson and anti-meson mixing with the relation $\Gamma^{12,u}/M^{12,u} = 2 \tan(\pi d_\U)$. We show that this type of unparticle contribution can provide the much needed large $\Gamma^{12}_s$ to explain the recently observed anomalously large dimuon asymmetry in $B_s -\bar B_s$ system reported by D0 collaboration. The same interaction can also accommodate large mixing induced CP violation in $B_s \to J/\psi \phi$ indicated by CDF and D0 data. Experimental data can provide constraints on the unparticle dimension and scale.

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