@techreport{oai:nifs-repository.repo.nii.ac.jp:00010268, author = {"Takase, Y. and Watari, T. and Kumazawa, R. and Seki, T. and Adati, K. and Ando, R. and AOKI, T. and Hamada, Y. and Hirokura, S. and Ida, K. and Kako, E. and Kawahata, K. and Kawasumi, Y. and Masai, K. and Narihara, K. and Ohkubo, K. and Shimpo, F. and Taniguchi, Y. and Toi, K. and Tsuzuki, T. and Sakamoto, M."}, month = {Feb}, note = {"Fast wave absorption and heating at a relatively high ion cyclotron harmonic (omega simeq 6 Omega_ D) were studied on the JIPP T-II U tokamak. In spit of the low absorption efficiency predicted by a simple theory for present experimental parameters, appreciable electron and ion heating has been observed. Heating is most effective at relatively low densities( bar{n}_e simeq 1 x 10^19m^-3). Ion tail was observed on the majority deuterium energy spectrum but not on the minority hydrogen spectrum, which suggests the possibility of direct absorption of mode-converted ion Bernstein wave power by deuterium ions. Because of the density rise caused by rf injection, a clear evidence of fast wave driven current was not observed."}, title = {Fast Wave Heating at Intermediate Ion Cyclotron Harmonics on the JIPP T-IIU Tokamak}, year = {1990} }