Speakers
Patricia Magalhaes
(CBPF - Brazilian Center for Physics Research (BR))Dr
Patricia Magalhaes
(Complutense University of Madri)
Description
I developed a mechanism where the final state interaction (FSI) within a CPT invariant two-channel framework can enhance the charge-parity (CP) violation difference between $D^0\to\pi^-\pi^+$ and $D^0\to K^-K^+$ decays up to the current experimental value.
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This result relies upon:
(i) the dominant tree-level diagram,
(ii) the well-known experimental values for the $D^ 0\to\pi^-\pi^+$ and $D^ 0\to K^-K^+$ branching ratios, and
(iii) the $\pi\pi \to \pi\pi$ and $\pi\pi \to K K $ scattering data to extract the strong phase difference and inelasticity. Based on well-grounded theoretical properties, we found the sign and bulk value of the $\Delta A_{CP}$ and $A_{CP}(D^0 \to \pi^-\pi^+)$ recently observed by the LHCb collaboration.
Primary authors
Patricia Magalhaes
(CBPF - Brazilian Center for Physics Research (BR))
Dr
Patricia Magalhaes
(Complutense University of Madri)
Co-authors
Prof.
Ignacio De Bediaga Hickman
(CBPF - Brazilian Center for Physics Research (BR))
Tobias Frederico
