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Simulation of TES X-ray Microcalorimeters Designed for 14.4 keV Solar Axion Search.
- Source :
- Journal of Low Temperature Physics; Nov2022, Vol. 209 Issue 3/4, p518-524, 7p
- Publication Year :
- 2022
-
Abstract
- This study attempted to develop detection methods for solar axions using transition-edge-sensor (TES) microcalorimeters. Since the axion absorber comprised of iron-57 (<superscript>57</superscript>Fe) is electroplated upon the membrane instead of directly onto the TES itself (with the absorber hence thermally connected to the TES via a gold thermal strap), some of the heat deposited into the absorber consequently escapes into the heat bath through the membrane before being detected by the TES. If the heat-loss depends upon the axion interaction position within the absorber, position dependence may degrade the energy resolution. Therefore, this study endeavored to evaluate the dependence of heat-loss and pulse shape on axion incident position with the COMSOL Multiphysics software package (using a finite element method). In addition, heat-loss and pulse shape were likewise evaluated when the energy was deposited directly within the gold thermal strap. [ABSTRACT FROM AUTHOR]
- Subjects :
- AXIONS
CALORIMETERS
ELECTRON energy loss spectroscopy
FINITE element method
X-rays
Subjects
Details
- Language :
- English
- ISSN :
- 00222291
- Volume :
- 209
- Issue :
- 3/4
- Database :
- Complementary Index
- Journal :
- Journal of Low Temperature Physics
- Publication Type :
- Academic Journal
- Accession number :
- 160371667
- Full Text :
- https://doi.org/10.1007/s10909-022-02902-w