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Simulation and measurement of the resonant Schottky pickup

臧永东  武军霞  赵铁成  张生虎  毛瑞士  徐瑚珊  孙志宇  马新文  涂小林  肖国青  F.Nolden  P.Hülsmann  Yu.A.Litvinov  C.Peschke  P.Petri  M.S.Sanjari  M.Steck  
【摘要】:A resonant Schottky pickup with high sensitivity, built by GSI, will be used for nuclear mass and lifetime measurement at CSRe. The basic concepts of Schottky noise signals, a brief introduction of the geometry of the detector, the transient response of the detector, and MAFIA simulated and perturbation measured results of characteristics are presented in this paper. The resonant frequency of the pickup is about 243 MHz and can be slightly changed at a range of 3 MHz. The unloaded quality factor is about 1072 and the shunt impedance is 76 k . The measured results of the characteristics are in agreement with the MAFIA simulations.

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