@article{oai:nifs-repository.repo.nii.ac.jp:00003463, author = {"Sasao, M. and Kisaki, M. and Terai, K. and Kitajima, S. and Okamoto, A. and Shinto, K. and Wada, M. and Kaneko, O. and Tsumori, K. and Kobuchi, T."}, journal = {Annual Report of National Institute for Fusion Science}, month = {2016-03-14}, title = {Physics Study of Strongly-focusing Beam Emittance by the 3A He+ Ion Source}, volume = {Annual Report Apr.2009 - Mar.2010}, year = {} }