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Observation of runaway electrons by infrared camera in J-TEXT

, : Observation of runaway electrons by infrared camera in J-TEXT. Review of Scientific Instruments 87(11): 11e113-11e113

NlmCategory="UNASSIGNED">When the energy of confined runaway electrons approaches several tens of MeV, the runaway electrons can emit synchrotron radiation in the range of infrared wavelength. An infrared camera working in the wavelength of 3-5 μm has been developed to study the runaway electrons in the Joint Texas Experimental Tokamak (J-TEXT). The camera is located in the equatorial plane looking tangentially into the direction of electron approach. The runaway electron beam inside the plasma has been observed at the flattop phase. With a fast acquisition of the camera, the behavior of runaway electron beam has been observed directly during the runaway current plateau following the massive gas injection triggered disruptions.


PMID: 27910692

DOI: 10.1063/1.4960311

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