Conference item
Quasiparticle diffusion and edge losses in superconducting tunnel junction detectors with two active electrodes
- Abstract:
- A theoretical model to describe the spectral response of SIS tunnel junctions under irradiation in the presence of diffusion and edge losses of non-equilibrium quasiparticles has been developed. The model takes into account the back-tunnelling effect, in the general case of asymmetrical rates of tunnelling, gamma(12) not equal gamma(21). It provides a quantitative estimate of parameters like the edge reflectivity, the diffusion length and the diffusion coefficient, which are important parameters for a diagnostic of STJ-detectors. The predictions of the theory are compared with an experimental spectrum obtained from a Nb-based STJ. (C) 2000 Elsevier Science B.V. All rights reserved.
- Publication status:
- Published
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- Publisher copy:
- 10.1016/S0168-9002(99)01318-2
Authors
- Journal:
- NUCLEAR INSTRUMENTS and METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT More from this journal
- Volume:
- 444
- Issue:
- 1-2
- Pages:
- 15-18
- Publication date:
- 2000-04-11
- Event title:
- 8th International Workshop on Low-Temperature Detectors (LTD-8)
- DOI:
- ISSN:
-
0168-9002
- Keywords:
- Pubs id:
-
pubs:17795
- UUID:
-
uuid:01c8cba2-41cb-49e7-97b5-aed04f6248c0
- Local pid:
-
pubs:17795
- Source identifiers:
-
17795
- Deposit date:
-
2012-12-19
- ARK identifier:
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- Copyright date:
- 2000
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