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Observation of Electron Bernstein Wave Heating in a Reversed Field Pinch
A H Seltzman1, J K Anderson1, S J Diem2
1Department of Physics, University of Wisconsin-Madison, Madison, Wisconsin 53706, USA.
Abstract:
The first observation of rf heating in a reversed field pinch (RFP) using the electron Bernstein wave (EBW) is demonstrated on the Madison Symmetric Torus. Propagation across and heating in a stochastic magnetic field is observed. Novel techniques are required to measure the suprathermal electron tail generated by EBW heating in the presence of intense Ohmic heating. rf-heated electrons directly probe the edge transport properties in the RFP; measured loss rates imply a large noncollisional radial diffusivity.
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