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<b>Abstract</b>— <p>The paper presents gas systems for nuclear physics detectors that have been developed and constructed by the authors in various experiments over 30 years. Most systems are of recirculation type, with partial gas purification from moisture and oxygen. Unique gas systems operating at high pressure (20 bar) and below atmospheric pressure are described. They provide working gas purity of down to 1 ppb, dual-circuit systems with an additional circulation circuit, and a system with two independent circuits for different gases. Various methods of gas purification and measurement of residual impurities are considered.</p>

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Gas Systems for Nuclear Physics Detectors

  • 期刊论文

  • 发表日期：

    2026年4月2日

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  • L. M. Kotchenda,
  • P. A. Kravtsov

摘要

Abstract—

The paper presents gas systems for nuclear physics detectors that have been developed and constructed by the authors in various experiments over 30 years. Most systems are of recirculation type, with partial gas purification from moisture and oxygen. Unique gas systems operating at high pressure (20 bar) and below atmospheric pressure are described. They provide working gas purity of down to 1 ppb, dual-circuit systems with an additional circulation circuit, and a system with two independent circuits for different gases. Various methods of gas purification and measurement of residual impurities are considered.