Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-07-12
Nuovo Cim.A109:991-998,1996
Physics
High Energy Physics
High Energy Physics - Phenomenology
11 pages, phyzzx, no figures, Talk given at the 6th International Symposium on Heavy Flavor Physics, Pisa, Italy
Scientific paper
10.1007/BF02823639
If New Physics contributes significantly to neutral meson mixing, then it is quite likely that it does so in a CP violating manner. In $D^0-\bar D^0$ mixing measured through $D^0\rightarrow K^+\pi^-$, CP violation induces a term $\propto te^{-\Gamma t}$ with important implications for experiments. For $B_s-\bar B_s$ mixing, a non-vanishing CP asymmetry (above a few percent) $a_{CP}(B_s \rightarrow D_s^+ D_s^-)$ is a clear signal of New Physics. Interestingly, this would test precisely the same Standard Model ingredients as the question of whether $\alpha+\beta+\gamma=\pi$.
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