NDLI: Some Remarks on the Energy Resolution of STJ

Content Provider	Springer Nature Link
Author	Samedov, Victor V.
Copyright Year	2012
Abstract	There are a number of processes in superconducting tunnel junction (STJ) detectors that lead to peak broadening. In many papers, semi-empirical approach is used to take into account the contribution of one or another factor to the signal variance of an STJ detector. The correct formula for the signal variance cannot be semi-empirical at the researcher’s option. It must result strictly from exact mathematical description of the particle registration by detector. In this work, using the theory of branching cascade processes the general expression for the energy resolution of STJ detector for optical photons and soft X-rays was derived. It was shown that the general formula encloses all specific contributions of the peak broadening published in literature and has additional contributions to the energy resolution caused by fluctuations of photon energy and of absorber temperature.
Starting Page	422
Ending Page	427
Page Count	6
File Format	PDF
ISSN	00222291
Journal	Journal of Low Temperature Physics
Volume Number	167
Issue Number	3-4
e-ISSN	15737357
Language	English
Publisher	Springer US
Publisher Date	2012-02-08
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Superconducting tunnel junction STJ Energy resolution Optical photons Soft X-rays Fluctuations of photon energy Fluctuations of absorber temperature Quasiparticle Multitunneling Trapping layers Condensed Matter Physics Magnetism, Magnetic Materials Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics Materials Science

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Influence of the Quasiparticle and Phonon Subsystem Coupling on the Multitunneling in STJ Detectors

Heating of Superconducting Tunnel Junction Detector by X-Ray Flux

Intrinsic Resolution of STJ Detectors due to Competition Between Electron and Hole Channels in Quasiparticle Multitunneling

Charge Multiplication Factor in STJ Detectors

Quasiparticle Edge Losses in Double STJs Strip X-Rays Detectors

Time Dependence of Partial Integrated Charge Fluctuations in STJs

Energy Resolution of STJ X-Ray Detectors with Killed Electrode. Simple Model

Modification of Layer Structures of Superconducting Tunnel Junctions to Improve X-ray Energy Resolution

Bias Voltage Dependence of Quasiparticle Recombination in STJ Detectors with Killed Electrode

Some Remarks on the Energy Resolution of STJ

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Intrinsic Resolution of STJ Detectors due to Competition Between Electron and Hole Channels in Quasiparticle Multitunneling

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