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This work experimentally investigates the threshold of gamma-ray induced bubble nucleation of \(C_2H_2F_4\) Superheated Liquid Detector (SLD) used in the InDEx experiment at the JUSL. A series of measurements were conducted at varying temperatures, from \(28^\circ \) C to \(49^\circ \) C, for background and also for a gamma source ( \(^{137}Cs\) ). The results indicate a significant increase in count rate at approximately \(38.5^\circ \pm 1.4^\circ \) C, marking the temperature at which the detector becomes sensitive to gamma radiation. The preliminary result from InDEx run at JUSL at a 1.09 keV threshold above the gamma-ray threshold temperature and the projected sensitivity of InDEx are presented.

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Study of the Response of SLD to a Major Background of InDEx at JUSL

  • 会议论文

  • 发表日期：

    2025年

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  • Kaynat Fatima,
  • Vimal Kumar,
  • Susmita Das,
  • Soma Roy,
  • Nilanjan Biswas,
  • Mala Das

摘要

This work experimentally investigates the threshold of gamma-ray induced bubble nucleation of \(C_2H_2F_4\) Superheated Liquid Detector (SLD) used in the InDEx experiment at the JUSL. A series of measurements were conducted at varying temperatures, from \(28^\circ \) C to \(49^\circ \) C, for background and also for a gamma source ( \(^{137}Cs\) ). The results indicate a significant increase in count rate at approximately \(38.5^\circ \pm 1.4^\circ \) C, marking the temperature at which the detector becomes sensitive to gamma radiation. The preliminary result from InDEx run at JUSL at a 1.09 keV threshold above the gamma-ray threshold temperature and the projected sensitivity of InDEx are presented.