Research theme for competitive and other funds (4)：
2018 - 2021 Investigation of collective properties in hydrogen pair-ion plasma and verification of ion binary system
2018 - 2021 Production of negative hydrogen ions without Cs layer
2015 - 2018 Realization of atomic hydrogen pair-ion plasma and verification of the collective properties
2013 - 2015 Cesium recycling in the large cesiated negative ion source
Papers (49)：
M. Kashiwagi, J. Hiratsuka, M. Ichikawa, G. Q. Saquilayan, A. Kojima, H. Tobari, N. Umeda, K. Watanabe, M. Yoshida, L. Grisham. 100 s negative ion accelerations for the JT-60SA negative-ion-based neutral beam injector. 2021
M. Yoshida, R. Watano, Y. Morinaga, T. Kamikawa, W. Oohara. Extraction of negative hydrogen ions produced with aluminum plasma grid. Physics of Plasmas. 2021. 28. 3. 033512-033512
W. Oohara, T. Kaji, K. Hirose, M. Fujii, R. Watano, M. Watai, Y. Hiraoka, M. Yoshida. Role of deflection magnetic field in hydrogen ionic plasma formation. AIP Advances. 2020. 10. 9. 095006-095006
