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PRELIMINARY EXPERIMENTAL RESULTS OF THE β-PARTICLE DETECTION WITH SUPERCONDUCTING TUNNEL JUNCTION USING D. C. JOSEPHSON EFFECT

PU HUAN-SHUN ZHONG YUAN-YUAN JIANG JIAU-HUA ZHUANG JIE-JIA

PRELIMINARY EXPERIMENTAL RESULTS OF THE β-PARTICLE DETECTION WITH SUPERCONDUCTING TUNNEL JUNCTION USING D. C. JOSEPHSON EFFECT

PU HUAN-SHUN, ZHONG YUAN-YUAN, JIANG JIAU-HUA, ZHUANG JIE-JIA
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  • Received Date:  18 June 1984
  • Published Online:  31 March 2005

PRELIMINARY EXPERIMENTAL RESULTS OF THE β-PARTICLE DETECTION WITH SUPERCONDUCTING TUNNEL JUNCTION USING D. C. JOSEPHSON EFFECT

  • 1. 中国科学院高能物理研究所

Abstract: The detection of nuclear particles with superconducting tunnel junctions using D. C. Josephson effect is expected to have the merits of good energy resolution and fast time response. It was the first time to perform such an experiment to detect Sr90-Y90 β-particles by the Nb-NbOx-Pb superconducting tunnel junctions. The results showed that, under the β-particle irradiation, not only the critical current and energy gap voltage of the superconducting tunuel junctions decreased, but also voltage pulse signals at both ends of the superconducting tunnel junction were produced. In this paper we report some phenomena observed about β-particle detection with superconducting tunnel junctions using D. C. Josephson effect.

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