Abstract
The feasibility study for searching neutrinoless double beta decay in 124Sn using cryogenic bolometer has been initiated. For this purpose, a custom-built cryogen-free dilution refrigerator, having a large cooling power of 1.4 mW at 120 mK, has been installed at TIFR, India. This paper describes the design, installation and performance of a cryogen-free dilution refrigerator (CFDR-1200). The performance of CFDR-1200 has been analysed using Takano’s model developed for conventional (wet) dilution refrigerators.
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Acknowledgements
The authors would like to acknowledge Prof G Frossati for many useful discussions. The authors would also like to thank Ms S Mishra, Mr M S Pose, Mr K V Divekar and other staff members of the laboratory for their valuable assistance during the successful installation of the CFDR-1200 at TIFR.
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SINGH, V., MATHIMALAR, S., DOKANIA, N. et al. Cryogen-free dilution refrigerator for bolometric search of neutrinoless double beta decay (0νβ β) in 124Sn. Pramana - J Phys 81, 719–725 (2013). https://doi.org/10.1007/s12043-013-0601-9
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DOI: https://doi.org/10.1007/s12043-013-0601-9