X-ray-line diagnostic of magnetic field strength for high-temperature plasmas |
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| Authors: | Beiersdorfer P Scofield J H Osterheld A L |
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| Institution: | Department of Physics and Advanced Technologies, Lawrence Livermore National Laboratory, Livermore, CA 94550, USA. |
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| Abstract: | An x-ray line diagnostic for use in magnetic field measurements in high-temperature plasmas has been identified. The intensity of the otherwise strictly forbidden 1s(2)2s(2)2p(1/2)2p(4)(3/2)3s(1/2) 3P0-->1s(2)2s(2)2p(6) 1S0 transition in neonlike ions is shown to depend on the magnetic field strength. The field dependence is illustrated between one and 3 T in the Ar8+ spectrum. The line is well resolved, bright, and close to reference lines, making it an experimentally simple to use diagnostic. |
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