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2019 update of $\varepsilon_K$ with lattice QCD inputs

18 Jun 2019, 18:10
20m
Foyer

Foyer

Poster Weak Decays and Matrix Elements Poster

Speaker

Weonjong Lee (Seoul National University)

Description

We report recent progress in determining $\varepsilon_K$, the indirect
CP violation parameter in neutral kaons, calculated using lattice QCD
inputs including $\hat{B}_K$, $\xi_0$, $\xi_2$, $|V_{us}|$,
$|V_{cb}|$, and $m_c(m_c)$. Recently Belle has updated results for
exclusive $|V_{cb}|$ using both CLN and BGL method. They are used in
this analysis.

Primary author

Weonjong Lee (Seoul National University)

Co-authors

Dr Jaehoon Leem (Korea Institute of Advanced Science) Mr Jeehun Kim (Seoul National University) Dr Sungwoo Park (Los Alamos National Laboratory) Mr Sunkyu Lee (Seoul National University) Mr Yong-Chull Jang (Brookhaven National Laboratory)

Presentation materials