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Abstract— <p>A multicathode counter is designed to search for cold, dark matter, presumably composed of dark photons, by detecting single electrons emitted from the surface of the metal cathode of the counter during the conversion of dark photons on its surface. The counter design allows for the efficient discrimination of the background from an ambient radioactivity and the electron thermal emission by subtracting the count rate measured in the blocking potential configuration. The paper provides a detailed description of the design of a multicathode counter.</p>

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Construction of a Multicathode Counter for Dark Photon Search

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • A. V. Kopylov,
  • I. V. Orekhov,
  • V. V. Petukhov,
  • A. E. Solomatin

摘要

Abstract—

A multicathode counter is designed to search for cold, dark matter, presumably composed of dark photons, by detecting single electrons emitted from the surface of the metal cathode of the counter during the conversion of dark photons on its surface. The counter design allows for the efficient discrimination of the background from an ambient radioactivity and the electron thermal emission by subtracting the count rate measured in the blocking potential configuration. The paper provides a detailed description of the design of a multicathode counter.