用多阴极计数器（MCC）寻找隐藏光子CDM
Using a Multi-Cathode Counter (MCC) in the Search for Hidden Photon CDM
摘要：
报道了一种新的多阴极计数器（MCC）技术，用于寻找质量为5 ~ 10 eV的暗光子冷暗物质（CDM）。该方法建议，假设隐藏的光子的质量大于金属的功函数，制造计数器的阴极会诱导从阴极发射单电子。使用同一计数器的三种配置，每周依次测量单电子事件的计数率R1、R2和R3，其中R1- R2之差测量来自HP的影响，R3用作参考序列以监视计数过程。目前的工作旨在完善数据处理程序，并寻找在数据最终分析中应考虑的长期变化。
英文摘要：
We report on a new technique of a Multi-Cathode Counter (MCC) developed to search for hidden photon (HP) cold dark matter (CDM) with a mass from 5 to 10 eV. The method suggested in the assumption that hidden photons of the mass greater than a work function of the metal, the cathode of the counter is fabricated induce emission of single electrons from a cathode. Three configurations of the same counter are used to measure the count rates R1, R2 and R3 of the single electron events sequentially each week, where the difference R1- R2 measures the effect from HP and R3 is used as a reference sequence to monitor the counting process. At present the work is aimed to refine the procedure of data treatment and to look for long term variations which should be accounted for in the final analysis of data.
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