1998-2009 Spectroscopic study of unstable nuclear beryllium ions (collaboration with RIKEN)

2011-2012 Laser-microwave double resonance spectroscopy of laser-cooled ytterbium ions for application to atomic clocks (collaboration with NICT)

2013-2016 Development of a Kingdon ion trap for laboratory observation of solar wind charge-exchange X-ray transitions (collaboration with Tokyo Metropolitan Univ.)

Current Research

(1) Study of low-temperature ion-molecule reactions for application to interstellar chemistry

(2) Generation of cold molecular ions using ion Coulomb crystals and spectroscopic studies of cold molecules

(3) Generation of molecular ions and spectroscopic study of molecules using resonance-enhanced multiphoton ionization method

Ph. D (University of Electro-Communications)

Ion trap, Laser cooling, Ion-molecule reaction, Astrochemistry