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Some Methods for Studying the Dislocation Structure and Mechanical Properties of Solids
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI: 10.1134/S0020441224700969
D. G. Driaev
{"title":"Some Methods for Studying the Dislocation Structure and Mechanical Properties of Solids","authors":"D. G. Driaev","doi":"10.1134/S0020441224700969","DOIUrl":"10.1134/S0020441224700969","url":null,"abstract":"<p>Original experimental methods for studying the dislocation structure and mechanical properties of solids developed at the Andronikashvili Institute of Physics are described: (1) a method for exciting mechanical vibrations of an ionic crystal, (2) a high-quality tuning fork of a new type (three-reed), (3) a method of crystal deformation by shear, (4) a method for generating dislocations of the same mechanical sign, (5) a method for determining the parameters of the relaxation process, and (6) a vibrating superconductor method.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 4","pages":"631 - 638"},"PeriodicalIF":0.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Thin Scintillation Counters in Particle Detectors
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI: 10.1134/S0020441224700957
V. V. Brekhovskikh, A. M. Gorin, V. A. Dyatchenko, S. V. Evdokimov, A. A. Zaitsev, V. I. Izucheev, M. V. Medynskiy, V. I. Rykalin, S. A. Sadovsky, A. A. Shangaraev
{"title":"Thin Scintillation Counters in Particle Detectors","authors":"V. V. Brekhovskikh,&nbsp;A. M. Gorin,&nbsp;V. A. Dyatchenko,&nbsp;S. V. Evdokimov,&nbsp;A. A. Zaitsev,&nbsp;V. I. Izucheev,&nbsp;M. V. Medynskiy,&nbsp;V. I. Rykalin,&nbsp;S. A. Sadovsky,&nbsp;A. A. Shangaraev","doi":"10.1134/S0020441224700957","DOIUrl":"10.1134/S0020441224700957","url":null,"abstract":"<p>The paper deals with the design and parameters of thin scintillation counters, not more than several mm thick, with a large geometric aperture. Such counters with high light yield and, accordingly, with high detection efficiency of charged particles are widely used in nuclear and particle physics, as well as in facilities for beta contamination monitoring of clothing and various objects by extracting signals of low-energy electrons against a background of gamma radiation. In these applications just the minimum thickness of the scintillator with the required large geometric dimensions of the detector determines the high efficiency of the counters.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 4","pages":"619 - 630"},"PeriodicalIF":0.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778378","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Scintillation Strip Detector of a Hybrid Hodoscope for Muon Tomography of Large-scale Objects
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI: 10.1134/S0020441224701069
N. A. Pasyuk, K. G. Kompaniets, A. A. Petrukhin, M. Yu. Tselinenko, V. V. Shutenko, I. I. Yashin
{"title":"Scintillation Strip Detector of a Hybrid Hodoscope for Muon Tomography of Large-scale Objects","authors":"N. A. Pasyuk,&nbsp;K. G. Kompaniets,&nbsp;A. A. Petrukhin,&nbsp;M. Yu. Tselinenko,&nbsp;V. V. Shutenko,&nbsp;I. I. Yashin","doi":"10.1134/S0020441224701069","DOIUrl":"10.1134/S0020441224701069","url":null,"abstract":"<p>A hybrid muon hodoscope for muonography of large-scale objects was created at the Scientific and Educational Center NEVOD (MEPhI). The hodoscope multichannel detection system consists of a scintillation strip detector and a drift tube detector and is designed to record tracks of charged particles, mainly muons. The scintillation strip detector is an independent track detector that forms the initial track position and the trigger signal for the drift tube detector. The article describes the design of a scintillation strip detector and principles of operation of the readout electronics and also provides the main technical characteristics.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 4","pages":"672 - 681"},"PeriodicalIF":0.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Setup for Measuring the Yields of the 17N Isotope and Delayed Neutrons in Reactions Induced by Protons with an Energy of 1 GeV
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI: 10.1134/S0020441224700970
A. S. Egorov, V. M. Piksaikin, A. A. Goverdovski, V. F. Mitrofanov, K. V. Mitrofanov, D. E. Gremyachkin
{"title":"A Setup for Measuring the Yields of the 17N Isotope and Delayed Neutrons in Reactions Induced by Protons with an Energy of 1 GeV","authors":"A. S. Egorov,&nbsp;V. M. Piksaikin,&nbsp;A. A. Goverdovski,&nbsp;V. F. Mitrofanov,&nbsp;K. V. Mitrofanov,&nbsp;D. E. Gremyachkin","doi":"10.1134/S0020441224700970","DOIUrl":"10.1134/S0020441224700970","url":null,"abstract":"<p>We describe a method and a setup based on it which has been used to measure the production cross sections of the delayed-neutron precursors (<sup>9</sup>Li, <sup>16</sup>C, and <sup>17</sup>N) and the fractional delayed-neutron yields in interactions between relativistic protons with an energy of 1 GeV and target nuclei with mass numbers in the range of 12−238. Measurements have been made at the synchrocyclotron facility of the Petersburg Institute of Nuclear Physics (PNPI), Gatchina. The measured cross section for the generation of <sup>17</sup>N nuclei versus the mass of target nuclei are shown as an illustration of the method. The fractional delayed-neutron yields in interactions of relativistic protons with <sup>238</sup>U nuclei are also presented.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 4","pages":"639 - 650"},"PeriodicalIF":0.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778379","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Two-Wavelength Spectral Interferometry Implementation for Studying the Ultrashort Laser Pulse Heated Targets Expansion
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI: 10.1134/S0020441224700933
E. S. Borisov, D. S. Gavrilov, A. G. Kakshin, E. A. Loboda, A. V. Potapov, E. A. Govras
{"title":"Two-Wavelength Spectral Interferometry Implementation for Studying the Ultrashort Laser Pulse Heated Targets Expansion","authors":"E. S. Borisov,&nbsp;D. S. Gavrilov,&nbsp;A. G. Kakshin,&nbsp;E. A. Loboda,&nbsp;A. V. Potapov,&nbsp;E. A. Govras","doi":"10.1134/S0020441224700933","DOIUrl":"10.1134/S0020441224700933","url":null,"abstract":"<p>The chirped pulse spectral interferometry method was used to measure the copper-target free surface motion velocity under the impact of an ultrashort laser pulse with an intensity of ~10<sup>18</sup> W/cm<sup>2</sup>. In order to obtain information on the motion of plasma layers with different electron densities, a two-channel interferometer was developed, which provides registration of hydrodynamic parameters of the target expansion process for the probe laser radiation at 1054 and 527-nm wavelengths. The spatial and temporal characteristics of the phase shift and the target reflectivity for the probe radiation were measured, and the two critical-density surfaces velocity evolution over time were reconstructed.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 4","pages":"761 - 767"},"PeriodicalIF":0.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778316","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
New Design of Scintillation Strips for the DANSS Detector Upgrade
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI: 10.1134/S0020441224701100
D. N. Svirida
{"title":"New Design of Scintillation Strips for the DANSS Detector Upgrade","authors":"D. N. Svirida","doi":"10.1134/S0020441224701100","DOIUrl":"10.1134/S0020441224701100","url":null,"abstract":"<p>Scintillation plastic strips with wave length shifting fibers are the basic elements of the sensitive volume of the reactor antineutrino detector DANSS. The need for the strip’s design improvement is caused by the limitations of the experiment sensitivity to the sterile neutrino searches due to the moderate energy resolution of the detector. The new design of the strips features much higher light output and better light collection homogeneity. A method is discussed of simultaneous light detection from both ends of each fiber. This doubles the number of detected photons and gives information on the longitudinal event coordinate. The paper reflects the details and the status of the detector upgrade together with the recent beam test results. The expected influence of the improvements on the sensitivity to the sterile neutrino is also considered.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 4","pages":"682 - 690"},"PeriodicalIF":0.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Device for Measuring the Ultimate Strength of Multilayer Rods by the Two-Point Bending Method
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI: 10.1134/S0020441224701033
M. D. Martirosyan
{"title":"A Device for Measuring the Ultimate Strength of Multilayer Rods by the Two-Point Bending Method","authors":"M. D. Martirosyan","doi":"10.1134/S0020441224701033","DOIUrl":"10.1134/S0020441224701033","url":null,"abstract":"<p>A device was designed to measure the ultimate strength of various multilayer rods and has a wide application area, e.g., in construction. The basic requirements for the device were formulated; one special requirement was compliance with all the theoretical nuances of the method underlying it. The device was then designed and tested. As a result of the tests, good agreement was found between the obtained value of the average ultimate strength of fibers and the data from their specifications; this means that the resulting device meets all the presented requirements. It is believed that the device should improve the quality of both the primary electrical installation and the subsequent maintenance of various ready-made objects, including those intended only for communications.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 4","pages":"790 - 794"},"PeriodicalIF":0.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Development of a Diagnostic System for Studying Plasma Processes in the Magnetic Nozzle of an Electrodeless Plasma Rocket Thruster Prototype
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI: 10.1134/S0020441224700945
E. Yu. Bragin, E. A. Bunin, S. S. Gusev, V. A. Zhil’tsov, M. N. Kazeev, D. V. Kamin, V. F. Kozlov, S. V. Korobtsev, I. A. Kostrichenko, D. S. Kutuzov, A. V. Spitsyn, A. E. Sukhov, D. O. Shchurovskii, S. V. Yanchenkov
{"title":"Development of a Diagnostic System for Studying Plasma Processes in the Magnetic Nozzle of an Electrodeless Plasma Rocket Thruster Prototype","authors":"E. Yu. Bragin,&nbsp;E. A. Bunin,&nbsp;S. S. Gusev,&nbsp;V. A. Zhil’tsov,&nbsp;M. N. Kazeev,&nbsp;D. V. Kamin,&nbsp;V. F. Kozlov,&nbsp;S. V. Korobtsev,&nbsp;I. A. Kostrichenko,&nbsp;D. S. Kutuzov,&nbsp;A. V. Spitsyn,&nbsp;A. E. Sukhov,&nbsp;D. O. Shchurovskii,&nbsp;S. V. Yanchenkov","doi":"10.1134/S0020441224700945","DOIUrl":"10.1134/S0020441224700945","url":null,"abstract":"<p>An approach is proposed to creating a diagnostic system for studying the main plasma processes (acceleration and detachment of the plasma flow from the magnetic field lines) in the magnetic nozzle of an electrodeless plasma rocket thruster. The diagnostic system has been developed for the PN-3 setup, an electrodeless plasma rocket thruster prototype, in which this approach has been implemented.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 4","pages":"742 - 754"},"PeriodicalIF":0.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1134/S0020441224700945.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778394","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hardware Response Function of the Reflected Electron Detector and Contrast of the Chemical Composition of Samples in Scanning Electron Microscopy
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI: 10.1134/S0020441224701082
E. I. Rau, S. V. Zaitsev
{"title":"Hardware Response Function of the Reflected Electron Detector and Contrast of the Chemical Composition of Samples in Scanning Electron Microscopy","authors":"E. I. Rau,&nbsp;S. V. Zaitsev","doi":"10.1134/S0020441224701082","DOIUrl":"10.1134/S0020441224701082","url":null,"abstract":"<p>Formulas are given for calculating the coefficient of backscattered electrons depending on the material (atomic number <i>Z</i>), i.e., the chemical composition of a sample, and the energy <i>E</i><sub><i>B</i></sub> of the primary irradiating electrons. The calculation of the detectable signal of reflected electrons is given depending on <i>Z</i>, <i>E</i><sub><i>B</i></sub>, and the response function <i>F</i> of semiconductor detectors and detectors based on microchannel plates (MCPs). The calculation results are compared with the experimentally measured ones. A comparative analysis of the contrast of images of the composition of samples obtained for different types of detectors at different <i>E</i><sub><i>B</i></sub> is performed. The results of the research are intended to serve practical users and experimenters in scanning electron microscopy.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 4","pages":"755 - 760"},"PeriodicalIF":0.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778395","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Hybrid Trigger System of the Experimental Complex NEVOD
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI: 10.1134/S002044122470091X
M. B. Amelchakov, A. G. Bogdanov, D. M. Gromushkin, E. A. Zadeba, V. V. Kindin, R. P. Kokoulin, K. G. Kompaniets, A. A. Petrukhin, S. S. Khokhlov, I. A. Shulzhenko, V. V. Shutenko, I. I. Yashin
{"title":"The Hybrid Trigger System of the Experimental Complex NEVOD","authors":"M. B. Amelchakov,&nbsp;A. G. Bogdanov,&nbsp;D. M. Gromushkin,&nbsp;E. A. Zadeba,&nbsp;V. V. Kindin,&nbsp;R. P. Kokoulin,&nbsp;K. G. Kompaniets,&nbsp;A. A. Petrukhin,&nbsp;S. S. Khokhlov,&nbsp;I. A. Shulzhenko,&nbsp;V. V. Shutenko,&nbsp;I. I. Yashin","doi":"10.1134/S002044122470091X","DOIUrl":"10.1134/S002044122470091X","url":null,"abstract":"<p>A trigger system of the Experimental Complex NEVOD (EC NEVOD) unique scientific facility is described. Detectors and setups that differ in area, physical principles of detection, and background counting rate are included in the EC NEVOD to detect various components of cosmic rays. Each detector is equipped with its own original data-acquisition and trigger system and is able to operate independently. In addition, the detectors are all combined by a single system of data triggering and synchronization. Features of the individual detector systems, their main characteristics and methods of their initialization and integration are presented.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 4","pages":"704 - 715"},"PeriodicalIF":0.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778465","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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