Cryogen-free dilution refrigerator for bolometric search of neutrinoless double beta decay (0νβ β) in 124Sn

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• 作者：V SINGH ; S MATHIMALAR ; N DOKANIA ; V NANAL ; R G PILLAY ; S RAMAKRISHNAN
• 关键词：0νβ β in 124Sn ; cryogen ; free dilution refrigerator ; 23.40.?s ; 07.20.Mc ; 07.57.Kp
• 刊名：Pramana
• 出版年：2013
• 出版时间：October 2013
• 年：2013
• 卷：81
• 期：4
• 页码：719-725
• 全文大小：337KB
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• 作者单位：V SINGH (1) (2)
  S MATHIMALAR (1) (2)
  N DOKANIA (1) (2)
  V NANAL (3)
  R G PILLAY (3)
  S RAMAKRISHNAN (4)
  
  1. Homi Bhabha National Institute, Anushaktinagar, Mumbai, 400 094, India
  2. India-based Neutrino Observatory, Tata Institute of Fundamental Research, Mumbai, 400 005, India
  3. Department of Nuclear and Atomic Physics, Tata Institute of Fundamental Research, Mumbai, 400 005, India
  4. Department of Condensed Matter Physics and Material Sciences, Tata Institute of Fundamental Research, Mumbai, 400 005, India
  
• ISSN：0973-7111

文摘

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.