(ΔA_{CP})_{LHCb} and the fourth generation

Details (ΔA_{CP})_{LHCb} and the fourth generation (ΔA_{CP})_{LHCb} and the fourth generation

2011-11-29

arxiv.org/abs/1111.6949v4

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, www address in ref. 8 is added, mechanism of CPV enhancement in case of 4 generation explained in more detail. Refere

Scientific paper

LHCb collaboration measured CPV at the level of one percent in the difference
of assymetries in $D^0(\bar D^0)\to \pi^+ \pi^-, K^+ K^-$ decays. If confirmed
on a larger statistics and final systematics this would mean New Physics
manifestation. The fourth quark-lepton generation can be responsible for the
observed effect.

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