H. Ejiri (Hiroyasu Ejiri) currently works at the Research Center for Nuclear Physics, Osaka University. H. Ejiri does research in Nuclear Physics, Elementary Particle Physics and Experimental Physics. The subjects include neutrino physics, dark matter, nuclear reactions, beta and gamma decays in nuclei, experimental nuclear and particle physics. Their most recent publication is 'Neutrinoless β β nuclear matrix elements using isovector spin-dipole J π = 2 − data'.