• P K Mondal

      Articles written in Pramana – Journal of Physics

    • Nucleation efficiency of R134a as a sensitive liquid for superheated drop emulsion detector

      Mala Das R Sarkar P K Mondal S Saha B K Chatterjee S C Roy

      More Details Abstract Fulltext PDF

      Superheated emulsion detector is known to detect neutrons, γ-rays and other charged particles. The present work includes the study of nucleation efficiency of super-heated drops of one of the CFC-free liquids, R134a (C2H2F4), to fast neutrons, its response to 𝛾-rays from 241Am and 137Cs and compare its nucleation efficiency with that of R12. The observation indicates that because of the presence of hydrogen, the nucleation efficiency is less in R134a than in R12 in the present neutron energy range of considera-tion. R134a is one of the most environment-friendly, commercially available liquid that is suitable for superheated drop detector, specially in neutron dosimetry and one needs to investigate it in detail.

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