标题： 高电压输送和分配用于NEXT-100时间投影室 显示英文标题

标题： High Voltage Delivery and Distribution for the NEXT-100 Time Projection Chamber

摘要： 大型液态和气态时间投影室（TPC）实现中的关键要素是高压的传输和分配到探测器内部及周围。此类实验需要数十千伏的电压来使电子在米级距离上漂移。本文描述了NEXT-100实验中用于探测地下TPC的阴极馈通设计及其通过电场笼的高压分布，该实验将寻找无中微子双贝塔衰变$0\nu\beta\beta$。该馈通已证明能够承受高达20巴的压力，并能承受最高可达-65千伏的电压，TPC正在其设计的高电压下稳定运行。该系统是在严格的放射性纯度预算约束内实现的，并且现在正被用于执行一系列敏感的双贝塔衰变分析。 显示英文摘要

摘要： A critical element in the realization of large liquid and gas time projection chambers (TPCs) is the delivery and distribution of high voltages into and around the detector. Such experiments require of order tens of kilovolts to enable electron drift over meter-scale distances. This paper describes the design and operation of the cathode feedthrough and high voltage distribution through the field cage of the NEXT-100 experiment, an underground TPC that will search for neutrinoless double beta decay $0\nu\beta\beta$. The feedthrough has been demonstrated to hold pressures up to 20~bar and sustain voltages as high as -65~kV, and the TPC is operating stably at its design high voltages. The system has been realized within the constraints of a stringent radiopurity budget and is now being used to execute a suite of sensitive double beta decay analyses.