Fracture processes studied in CRESST; Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment; Vol. 559, iss. 2
| Parent link: | Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment: Scientific Journal Vol. 559, iss. 2.— 2006.— [P. 754-756] |
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| অন্যান্য লেখক: | , , , , , , , , , , , , , , , , , |
| সংক্ষিপ্ত: | Title screen In the early stages of running of the CRESST dark matter search with sapphire crystals as detectors, an unexpectedly high rate of signal pulses appeared. Their origin was finally traced to fracture events in the sapphire due to the very tight clamping of the detectors. During extensive runs the energy and time of each event was recorded, providing large data sets for such phenomena. We believe this is the first time that the energy release in fracture has been accurately measured on a microscopic event-by-event basis. The energy distributions appear to follow a power law, dN/dE∝E-βdN/dE∝E-β, similar to the Gutenberg–Richter power law for earthquake magnitudes, and after appropriate translation, with a similar exponent. In the time domain, the autocorrelation function shows time correlations lasting for substantial parts of an hour. Some remarks are made concerning the possible role of such mechanical stress release processes in the noise of sensitive cryodetectors Режим доступа: по договору с организацией-держателем ресурса |
| ভাষা: | ইংরেজি |
| প্রকাশিত: |
2006
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| বিষয়গুলি: | |
| অনলাইন ব্যবহার করুন: | http://dx.doi.org/10.1016/j.nima.2005.12.127 |
| বিন্যাস: | বৈদ্যুতিক গ্রন্থের অধ্যায় |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=637155 |
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| 200 | 1 | |a Fracture processes studied in CRESST |f J. Astrom [et al.] | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: p. 756 (3 tit.)] | ||
| 330 | |a In the early stages of running of the CRESST dark matter search with sapphire crystals as detectors, an unexpectedly high rate of signal pulses appeared. Their origin was finally traced to fracture events in the sapphire due to the very tight clamping of the detectors. During extensive runs the energy and time of each event was recorded, providing large data sets for such phenomena. We believe this is the first time that the energy release in fracture has been accurately measured on a microscopic event-by-event basis. The energy distributions appear to follow a power law, dN/dE∝E-βdN/dE∝E-β, similar to the Gutenberg–Richter power law for earthquake magnitudes, and after appropriate translation, with a similar exponent. In the time domain, the autocorrelation function shows time correlations lasting for substantial parts of an hour. Some remarks are made concerning the possible role of such mechanical stress release processes in the noise of sensitive cryodetectors | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment |o Scientific Journal | ||
| 463 | |t Vol. 559, iss. 2 |v [P. 754-756] |d 2006 | ||
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| 701 | 1 | |a Seidel |b W. | |
| 701 | 1 | |a Sisti |b M. | |
| 701 | 1 | |a Uchaykin |b S. V. |c specialist in the field of non-destructive testing |c Engineer of Tomsk Polytechnic University, Doctor of physical and mathematical sciences |f 1963- |g Sergey Victorovich |3 (RuTPU)RU\TPU\pers\32279 | |
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