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Author: Andreas Hahn
Publisher:
ISBN:
Category : Nuclear counters
Languages : en
Pages : 336
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Author: Andreas Hahn
Publisher:
ISBN:
Category : Nuclear counters
Languages : en
Pages : 336
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Author: G. Waysand
Publisher: Elsevier
ISBN: 0080983618
Category : Technology & Engineering
Languages : en
Pages : 327
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Book Description
As demonstrated by the contributions in this volume, the domain of superconducting and low-temperature devices is in a rapidly expanding phase. Interactions between materials sciences, low-temperature physics, astrophysics, nuclear and particle physics have provided the incentive for new experiments, which could ultimately record such rare interactions as double beta decay, neutrino scattering, or collisions of the elusive dark matter halo particles. The theoretical and experimental improvements achieved during the last year have been impressive. Detection of 60 keV resolution with a non-zero spin material as a target seems therefore realizable in the near future. Similarly, impressive achievements on ballistic phonons detection and superheated superconducting detectors have been presented, together with reliable techniques for developing ultra low noise electronics required by these ambitious experiments. Apart from the contributions presented during the symposium, the two original papers by Niinikoski proposing the use of bolometers as particle detectors have been included in this volume. These papers, despite their current interest, have never been published before. The comprehensive style of the papers will appeal to specialists and non-specialists alike, in particular solid-state physicists will find the volume of considerable interest, as the field of materials research continues to benefit from the type of work presented here.
Author: Kent David Irwin
Publisher:
ISBN:
Category :
Languages : en
Pages : 274
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Author: G Waysand
Publisher: World Scientific
ISBN: 981455023X
Category :
Languages : en
Pages : 378
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Book Description
Superconductors today constitute a major focus of activity in the development of high resolution detectors for many applications. This volume collects the papers of an international workshop on the basic theoretical and experimental issues involved in the interaction between particles and superconductors. It emphasizes the involved condensed matter aspects of non-equilibrium time-dependent Ginzburg-Landau equations, metastable superconductivity, quasiparticle and phonon lifetimes, and quasiparticle trapping, as well as low-noise pulse electronics, detector fabrication and low background cryogenics.
Author:
Publisher: World Scientific
ISBN: 981453370X
Category : Nuclear counters
Languages : en
Pages : 378
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Author: Gavin Burnell
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
For over a decade now there has been much research into the use of superconductors in X-ray, gamma ray and other particle detectors. Detectors based on superconductor-insulator-superconductor(SIS) and superconductor-insulator-normal metal(SIN) tunnel junctions have been widely developed. To date, the predicted excellent energy resolving ability of such detectors has not been realised. Various energy loss processes have been suggested as possible causes for the failure to obtain energy resolutions close to the thermodynamic and quantum limits predicted. In my experiments, I have used both SIS and SIN tunnel junctions to investigate the transport of quasiparticles and phonons in structures similar to the proposed detector designs. I have used multiple distributed junction geometries to perform injection-detection type experiments. One junction is used to inject quasiparticles and/or phonons into the device structure, whilst the current-voltage characteristic of a second junction is monitored for a response to the injected quasiparticles/phonons. Using this type of experimental set-up, I have measured the transport of non-thermal equilibrium quasiparticles in an epitaxial niobium film. Using a simple random walk model, I have calculated an effective lifetime for quasiparticles. I have not observed the process of quasiparticle mulitiplication that has been observed by other researchers - I attribute this to differences in the microstructure of my devices and comment on the implications of this to possible quasiparticle loss mechanisms. I have investigated the energy transport in a device with a number of SIN tunnel junctions connected to a common normal metal electrode. Phonon transport via the substrate is found to be the dominant coupling process between the tunnel junctions, although the device design can result in some junctions being effectively shielded from the substrate phonons by the common electrode. Finally, the possibilities of using a superconducting heterostructure to control the rate at which quasiparticles recombine and emit phonons have been explored. Excessive recombination is believed to limit the effectiveness of large areas SIN tunnel junctions as thermometers for particle detecting bolometers.
Author: Antonio Barone
Publisher: World Scientific
ISBN: 9813201576
Category : Science
Languages : en
Pages : 360
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Book Description
This workshop is a series of meetings organized by the Institute for Scientific Interchange in Torino, Italy. It focuses on the potential of Superconductivity in the field of radiation detection and is particularly timely and important. The proceedings of the workshop highlights research on Superconducting Detectors for Nuclear Physics, Particle Physics and Astrophysics, Superconducting Tunneling Junctions, Superheated Superconducting Granules among other topics.
Author: Michael Meissner
Publisher: Springer Science & Business Media
ISBN: 3642848885
Category : Science
Languages : en
Pages : 543
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Book Description
This volume contains the proceedings of the Seventh International Conference on Phonon Scattering in Condensed Matter held August 3-7, 1992, at Cornell University in Ithaca, NY, USA. The preceding conferences were held at: St. Maxime and Paris (France) 1972, Nottingham (UK) 1975, Providence (USA) 1979, Stuttgart (Germany) 1983, Urbana (USA) 1986, and Heidelberg (Germany) 1989. The Heidelberg conference was held jointly with the Third International Con ference on Phonon Physics. The next conference, to be held in August, 1995, in Sapporo, Japan, and hosted by Professor T. Nakayama and his colleagues, will also be such a joint conference. This conference was attended by 227 scientists from 27 countries, and covered all aspects of phonon scattering in condensed matter, ranging from the more traditional topics of thermal conductivity, Kapitza resistance, and ballistic phonon propagation to the recently added topics, such as electron-phonon interaction in high-T c superconductors, the use of phonons in particle detection, and phonons in confined geometries. The 207 papers arranged in 11 chapters in this volume are a cross section of the present activities in the quite obviously vibrant field of phonons and their interactions.
Author: Vladimir Polushkin
Publisher: John Wiley & Sons
ISBN: 0470857684
Category : Technology & Engineering
Languages : en
Pages : 402
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Book Description
With the commercialisation of superconducting particles and radiation detectors set to occur in the very near future, nuclear analytical instrumentation is taking a big step forward. These new detectors have a high degree of accuracy, stability and speed and are suitable for high-density multiplex integration in nuclear research laboratories and astrophysics. Furthermore, superconducting detectors can also be successfully applied to food safety, airport security systems, medical examinations, doping tests & forensic investigations. This book is the first to address a new generation of analytical tools based on new superconductor detectors demonstrating outstanding performance unsurpassed by any other conventional devices. Presenting the latest research and development in nanometer technologies and biochemistry this book: * Discusses the development of nuclear sensing techniques. * Provides guidance on the design and use of the next generation of detectors. * Describes cryogenic detectors for nuclear measurements and spectrometry. * Covers primary detectors, front-end readout electronics and digital signal processing. * Presents applications in nanotechnology and modern biochemistry including DNA sequencing, proteinomics, microorganisms. * Features examples of two applications in X-ray electron probe nanoanalysis and time-of-flight mass spectrometry. This comprehensive treatment is the ideal reference for researchers, industrial engineers and graduate students involved in the development of high precision nuclear measurements, nuclear analytical instrumentation and advanced superconductor primary sensors. This book will also appeal to physicists, electrical and electronic engineers in the nuclear industry.
Author: Betty A. Young
Publisher:
ISBN:
Category :
Languages : en
Pages : 314
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Book Description
