$b\to s s \bar d$ Decay in Two Higgs Doublet Models
  In the Standard Model, the box-diagram mediated decay $b\to s s \bar d$ is predicted to occur with an extremely small branching ratio of below $10^{-11}$, thus providing a safe testing ground for exposing new physics. We study this process in several Two Higgs Doublet Models and explore their parameter space, indicating where this process becomes observable. 
Katri Huitu, Cai-Dian L\"u, Paul Singer, Da-Xin Zhang