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EnglishLong-living quasiparticles can pile-up in a superconducting absorber of an X-ray microcalorimeter when photons are detected at high count rate. These quasiparticles can give a non-negligible contribution to the total heat capacity of the detector thus affecting the pulse height spectrum of detected photons. We investigated this effect with numerical simulations and evaluated the resulting spectral broadening as a function of the photon absorption rate, and the heat capacity of the detector for a NTD germanium microcalorimeter with pure Sn absorber.
Barbera, M., Perinati, E., Serio, S., & Silver, E. (2004). Spectral broadening by quasiparticle pile-up in X-ray microcalorimeters with superconducting absorbers. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT, 520, Issue 1-3, 220-223.
| Data di pubblicazione: | 2004 |
| Titolo: | Spectral broadening by quasiparticle pile-up in X-ray microcalorimeters with superconducting absorbers |
| Autori: | |
| Citazione: | Barbera, M., Perinati, E., Serio, S., & Silver, E. (2004). Spectral broadening by quasiparticle pile-up in X-ray microcalorimeters with superconducting absorbers. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT, 520, Issue 1-3, 220-223. |
| Rivista: | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1016/j.nima.2003.11.233 |
| Abstract: | Long-living quasiparticles can pile-up in a superconducting absorber of an X-ray microcalorimeter when photons are detected at high count rate. These quasiparticles can give a non-negligible contribution to the total heat capacity of the detector thus affecting the pulse height spectrum of detected photons. We investigated this effect with numerical simulations and evaluated the resulting spectral broadening as a function of the photon absorption rate, and the heat capacity of the detector for a NTD germanium microcalorimeter with pure Sn absorber. |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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http://hdl.handle.net/10447/8713
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