Search for a new elementary particle picture at the TeV scale through flavor physics

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The elementary particle is entering a new era by the progress of the LHC experiment and the start of the Super KEKB project. In this research program, theoretical studies have been carried out to understand how new physics at the TeV energy scale can be explored by quark and lepton flavor physics taking into account recent results from the LHC experiment. In particular, new physics (such as supersymmetry) and phenomenological aspects of processes like lepton flavor violation and B to tau decays and lepton and hadron electric dipole moments have been investigated, and useful results are obtained for Super KEKB and J-PARC. In parallel to these theoretical works, studies for clarifying physics potentials of the next generation flavor experimental projects have been continued together with experimentalists.