activity
19922025
most citedSearching for New Physics beyond the Standard Model in Electric Dipole Moment

177 citations · 2.3k across the 107 of their papers we have counts for

collaborators

107 papers

hep-ph2025

Right-handed weak currents in neutrinoless decays and ton scale detectors

H. Ejiri, T. Fukuyama, T. Sato

Right handed weak-currents (RHCs) in the left-right (L-R) symmetric model for neutrinoless double beta decays (DBDs) of both the and transitions are dis…

hep-ph2023

Axion and the Supermassive Black Holes at high

Takeshi Fukuyama

Axion dark matter (DM) is studied on the formation of supermassive black holes (SMBHs) at high red shift . It is shown that the attractive self interaction of this DM may solve…

hep-ph2022★ 3 cited

Neutrinoless Double Beta Decay and Mechanism in the Left-Right Symmetric Model

Takeshi Fukuyama, Toru Sato

The neutrinoless double beta () decay is studied in the framework of left-right symmetric model. The coexistence of left and right handed currents induces rather complicated…

hep-ph2022★ 5 cited

Neutrinoless double beta decay and the muonium-to-antimuonium transition in models with a doubly charged scalar

Takeshi Fukuyama, Yukihiro Mimura, Yuichi Uesaka

The lepton number and flavor violations are important possible ingredients of the lepton physics. The neutrinoless double beta decay and the transition of the muonium into antimuon…

hep-ph2022

Transverse positron polarization in the polarized decay related with the muonium-to-antimuonium transition

Takeshi Fukuyama, Yukihiro Mimura, Yuichi Uesaka

The constructions of the new high-intensity muon beamlines are progressing in facilities around the world, and new physics searches related to the muons are expected. The facilitie…

gr-qc2021

Revisiting the Origin of the Universe and the Arrow of Time

Takeshi Fukuyama

We reconsider the old but yet unsolved problems, origin of the universe and the arrow of time. We show that only the closed universe is free from the singularity with the arrow of…