NDLI: Scintillating Bolometers for Double Beta Decay Search

Content Provider	Springer Nature Link
Author	Gorla, P. Arnaboldi, C. Beeman, J. Capelli, S. Giachero, A. Gironi, L. Pavan, M. Pessina, G. Pirro, S. Previtali, E.
Copyright Year	2008
Abstract	In the field of Double Beta Decay searches the possibility to have high resolution detectors in which a very large part of the natural background can be discriminated with respect to the tiny expected signal, results very appealing. This very interesting possibility can be fulfilled in the case of a scintillating crystal bolometer containing a DBD emitter whose transition energy exceeds the one of the natural 2615 keV gamma line of $^{208}$Tl. We present the results achieved in the development of bolometric light detectors for double beta searches. The detectors are 1 mm thick germanium disk coated with a layer of SiO$_{2}$ in order to increase the light collection. The adopted temperature sensors are NTD Ge thermistors optimized to work at temperatures between 9 and 13 mK. A light detector with a considerable large area (35 cm$^{2}$) was constructed and run in a test measurement. A 140 g CdWO$_{4}$ crystal ($^{116}$Cd has a DBD transition energy of 2802 keV) was operated as bolometer and the scintillation light was read by the light detector. The excellent results combined with extreme easy light detector assembly represent the first tangible proof demonstrating the feasibility of this kind of technique.
Starting Page	854
Ending Page	859
Page Count	6
File Format	PDF
ISSN	00222291
Journal	Journal of Low Temperature Physics
Volume Number	151
Issue Number	3-4
e-ISSN	15737357
Language	English
Publisher	Springer US
Publisher Date	2008-01-25
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Double Beta Decay Bolometers CdWO$_{4}$ Magnetism, Magnetic Materials Characterization and Evaluation of Materials Condensed Matter
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Materials Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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