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Proceedings Paper

Phonon-mediated particle detection with superconducting detector materials
Author(s): Fatma Azgui; Franz von Feilitzsch; G. Forster
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Paper Abstract

For various domains, from nuclear physics to cosmology, the low temperature methods present the advantage of possibly meeting two essential objectives: a massive amount of detecting material and a high energy sensitivity to particle stopping and induced processes. A large volume of a superconducting Vanadium absorber (V approximately 2 cm3), coupled to a superconducting Iridium transition edge thermometer has been used as a phonon detector at a temperature of Tb equals 120 mK. The phonon signals read out from the device were generated by the absorption of alpha-particles emitted from an Am/Cm/Pu nuclide source. Apart from the measured energy resolution of 95 KeV FWHM for a 5.48 MeV alpha- particle, the pulse height spectra exhibit events of lower energies. Subsequent investigations indicate that the low energy events originate from processes uncorrelated to the particle interaction.

Paper Details

Date Published: 8 October 1992
PDF: 4 pages
Proc. SPIE 1743, EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy III, (8 October 1992); doi: 10.1117/12.130710
Show Author Affiliations
Fatma Azgui, Univ. STHB and CDTN (Algeria)
Franz von Feilitzsch, Technische Univ. Muenchen (Germany)
G. Forster, Technische Univ. Muenchen (Germany)

Published in SPIE Proceedings Vol. 1743:
EUV, X-Ray, and Gamma-Ray Instrumentation for Astronomy III
Oswald H. W. Siegmund, Editor(s)

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