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Experimental Database and Design Concept for a 1-MW, 200-KeV Neutral-Beam Line Based on a SITEX Negative Ion Source

机译:基于sITEX负离子源的1-mW,200-KeV中性束线的实验数据库和设计思想

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Scaling studies for a SITEX negative ion source to produce 200-keV, 10-A, long pulse D exp - beams are under way at Oak Ridge National Laboratory (ORNL). Designs have been restricted to the use of established techniques and reasonably well-demonstrated scaling. The results show that the 1-A SITEX source can be directly scaled to produce 200-keV, 10-A long pulse ion beams with a source power efficiency of less than or equal to 5 kW of total plasma generator power per ampere of D exp - beam generated. Extracted electron-to-D exp - ratios should be less than or equal to 0.06, with all extracted electrons recovered at less than or equal to 10% of the first gap potential energy difference. The close-coupled accelerating structure will be 5 cm long and have five electrodes with 21 slits each, with a 50-kV/cm field in each gap. (ERA citation 08:032822)

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