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High performance SRF accelerator structure and method
High performance SRF accelerator structure and method
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机译:高性能SRF加速器的结构和方法
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摘要
A high performance accelerator structure and method of production. The method includes precision machining the inner surfaces of a pair of half-cells that are maintained in an inert atmosphere and at a temperature of 100 K or less. The method includes removing thin layers of the inner surfaces of the half-cells after which the roughness of the inner surfaces in measured with a profilimeter. Additional thin layers are removed until the inner surfaces of the half-cell measure less than 2 nm root mean square (RMS) roughness over a 1 mm2 area on the profilimeter. The two half-cells are welded together in an inert atmosphere to form an SRF cavity. The resultant SRF cavity includes a high accelerating gradient (Eacc) and a high quality factor (Q0).
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机译:高性能加速器结构和生产方法。该方法包括对一对半电池的内表面进行精密加工,所述一对半电池保持在惰性气氛中并且在100K或更低的温度下。该方法包括去除半电池的内表面的薄层,然后用轮廓仪测量内表面的粗糙度。去除额外的薄层,直到在轮廓仪的1 mm 2 Sup>区域上,半电池的内表面的粗糙度均方根(RMS)小于2 nm。将两个半电池在惰性气氛中焊接在一起以形成SRF空腔。所得的SRF腔包含高加速梯度(E acc Sub>)和高品质因数(Q 0 Sub>)。
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