@article{oai:nifs-repository.repo.nii.ac.jp:00000178, author = {Ida, K. and Itoh, S.-I. and Itoh, K. and Hidekuma, S. and Miura, Y. and Kawashima, H. and Mori, M. and Matsuda, T. and Suzuki, N. and Tamai, H. and Yamauchi, T.}, journal = {Physical Review Letters}, month = {Jan}, note = {A significant particle pinch and reduction of the effective thermal diffusivity are observed after switching the neutral beam direction from coinjection to counterinjection in the JFT-2M tokamak. The particle pinch measured in the counterinjection phase shows good agreement with the prediction of the inward pinch model related to the electric fields.}, title = {Density peaking in the JFT-2M tokamak plasma with counter neutral-beam injection}, volume = {Vol.68}, year = {1992} }