NDLI: Towards an Absolute Determination of the Particle Energy Thermalized in Bolometers

Content Provider	Springer Nature Link
Author	Torres, L. Coron, N. Marcillac, P. Martinez, M. Redon, T.
Copyright Year	2012
Abstract	We describe a procedure to derive the absolute energy thermalized in the bolometer’s target after a particle interaction. It relies on the comparison of the theoretical responsivity in stationary regime (deduced from the I–V curves) and the area of the pulse. Full thermalization in metals is addressed at high cryogenic temperatures (over 400 mK). Taking them as reference materials when glued to a target, they can be used to estimate the thermalization efficiency of particles in dielectrics and superconductors.We have applied the procedure to our current detectors for dark matter and neutron, α and X-ray spectroscopy (LiF, Li$_{6}$Gd(BO$_{3}$)$_{3}$, Ge, Cu and Ta) at different cryogenic temperatures (from 20 to 570 mK). The procedure permits also to measure the loss of sensitivity due to the deviation from an ideal isothermal bolometer model. Previous works on thermalization reported by other teams are reviewed and applications are discussed.
Starting Page	961
Ending Page	966
Page Count	6
File Format	PDF
ISSN	00222291
Journal	Journal of Low Temperature Physics
Volume Number	167
Issue Number	5-6
e-ISSN	15737357
Language	English
Publisher	Springer US
Publisher Date	2012-01-26
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Bolometers Thermalization of particle energy Calorimetry Characterization and Evaluation of Materials Condensed Matter Physics Magnetism, Magnetic Materials
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Materials Science

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