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20 April 2024 |
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Transition-Edge Sensors for Particle Induced X-ray Emission Measurements | | M. R. J. Palosaari
; K. M. Kinnunen
; J. Julin
; M. Laitinen
; M. Napari
; T. Sajavaara
; W. B. Doriese
; J. Fowler
; C. Reintsema
; D. Swetz
; D. Schmidt
; J. Ullom
; I. J. Maasilta
; | | Date: |
7 Oct 2013 | | Abstract: | In this paper we present a new measurement setup, where a transitionedge
sensor detector array is used to detect X-rays in particle induced X-ray
emission measurements with a 2 MeV proton beam. Transition-edge sensors offer
orders of magnitude improvement in energy resolution compared to conventional
silicon or germanium detectors, making it possible to recognize spectral lines
in materials analysis that have previously been impossible to resolve, and to
get chemical information from the elements. Our sensors are cooled to the
operation temperature (65 mK) with a cryogen-free adiabatic demagnetization
refrigerator, which houses a specially designed X-ray snout that has a vacuum
tight window to couple in the radiation. For the best pixel, the measured
instrumental energy resolution was 3.06 eV full width at half maximum at 5.9
keV.We discuss the current status of the project, benefits of transition-edge
sensors when used in particle induced X-ray emission spectroscopy, and the
results from the first measurements. | | Source: | arXiv, 1310.1733 | | Services: | Forum | Review | PDF | Favorites | |
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