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Proof-of-concept experiment for the spiral line induction accelerator

机译:螺旋线感应加速器的概念证明实验

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The Proof-of-Concept (POCE) experiment for the Spiral Line Induction Accelerator (SLIA) involves injecting a 3.5 MeV, 10 kA electron beam into a strong focussing, two-turn, racetrack type spiral magnetic transport line with two passes through each of two 1.5 MV induction accelerating units, giving a nominal 9.5 MeV, 10 kA, 35 nsec output. The design selected for the 80 cm bends of the POCE is a stellarator achromat which gives an identity transfer matrix to first order in the relative momentum mismatch. Experiments at 1 MeV in a straight stellarator field, which simulated the first POCE bend, demonstrated the existence of the stellarator achromat at the predicted magnetic field values. No charge loss was observed for simulated momentum mismatches of up to $PLU@25%. The progress of experiments on matching the 3.5 MeV, 10 kA beam from the field-free diode into the nominal 5 kG axial guide field and the transport efficiency through the POCE bends are reported. The status of the remaining hardware fabrication and the schedule for full scale experiments are summarized.
机译:螺旋线感应加速器(SLIA)的概念证明(POCE)实验涉及将3.5mev,10ka电子束注入强大的聚焦,双转,赛道型螺旋磁输送线,两次通过每个循环两个1.5 MV感应加速单元,给出标称9.5 MEV,10 KA,35 NSEC输出。为80cm的弯曲选择的设计是一种螺旋液achromat,其在相对动量不匹配中给出了一阶的标识转移矩阵。在模拟第一个Poce弯曲的直齿轮磁场中的1 MeV实验证明了预测磁场值的螺旋液Achromat的存在。对于25%的模拟动量不匹配,没有观察到损失。报道了将3.5mev,10ka光束与免现场二极管与标称5kg轴向导场匹配的实验进展,并通过Poce弯曲进行运输效率。总结了剩余硬件制造的状态和全规模实验的时间表。

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