CP violation in B mesons using Dalitz plot asymmetries

Details CP violation in B mesons using Dalitz plot asymmetries CP violation in B mesons using Dalitz plot asymmetries

1996-08-14

arxiv.org/abs/hep-ph/9608314v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, Revtex, no figures

Scientific paper

We study CP violation in $B\to K^* \ell^+\ell^-$ using generalized Dalitz plot asymmetries in the angular distribution. These new kind of asymmetries are constructed by adding B and ${\bar B}$ events, and do not require flavor or time tagging, nor is the presence of strong phases needed. Using this method one requires about $2 \times 10^8/\eta$ B's to measure the CP violating parameter $\eta$ in the Standard model. The two--Higgs doublet model requires only $10^7$ B's to constrain parameters better than done by the electric dipole moment of the neutron.

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