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The Method of Optoacoustic Spectroscopy in the Study of Supramolecular Systems Based on Cucurbiturils
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI: 10.1134/S0020441224701008
I. V. Kryukov, O. A. Sapozhnikov, D. A. Ivanov, N. Kh. Petrov
{"title":"The Method of Optoacoustic Spectroscopy in the Study of Supramolecular Systems Based on Cucurbiturils","authors":"I. V. Kryukov,&nbsp;O. A. Sapozhnikov,&nbsp;D. A. Ivanov,&nbsp;N. Kh. Petrov","doi":"10.1134/S0020441224701008","DOIUrl":"10.1134/S0020441224701008","url":null,"abstract":"<p>This study is devoted to an optoacoustic study of the features of laser radiation absorption in an aqueous solution of the styryl-dye inclusion complex in cucurbituril. The research was performed on an experimental setup where a femtosecond regenerative amplifier based on chromium forsterite (Cr:F) was used as a pumping laser. The third harmonic of radiation with a wavelength of 420 nm and a pulse duration of 130 fs was used. Optoacoustic generation was produced in a quartz cuvette with the investigated solution, and the receiver of acoustic signals was a flat piezoceramic plate with a resonant frequency of 1 MHz. Optoacoustic signals were compared in a solution of pure Kr.1 styryl dye and the same dye in the presence of complexes with cucurbituril. With the same optical density of solutions, complexation leads to a more than twofold decrease in the optoacoustic response.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 4","pages":"777 - 782"},"PeriodicalIF":0.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778318","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
Radiation Tests of the Data Concentrator Board Based on Artix-7 FPGA for the Silicon Tracking System of the BM@N Experiment
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI: 10.1134/S0020441224701136
M. O. Shitenkov, D. V. Dementev, V. V. Leontyev, A. D. Sheremetev, Yu. A. Murin
{"title":"Radiation Tests of the Data Concentrator Board Based on Artix-7 FPGA for the Silicon Tracking System of the BM@N Experiment","authors":"M. O. Shitenkov,&nbsp;D. V. Dementev,&nbsp;V. V. Leontyev,&nbsp;A. D. Sheremetev,&nbsp;Yu. A. Murin","doi":"10.1134/S0020441224701136","DOIUrl":"10.1134/S0020441224701136","url":null,"abstract":"<p>The goal of this work is to investigate the feasibility of using the Artix-7 FPGAs from Xilinx in a data acquisition system for the silicon tracking system of the BM@N experiment. Under conditions of relatively low radiation level, the FPGA can be used as an affordable alternative to the GBT link of radiation-tolerant chips currently used in modern high-energy physics experiments at CERN, FAIR, etc. This link of microcircuits was designed for data concentration from multichannel on-detector electronics and transmission via optical communication line to the electronic units of data postprocessing. The results of studies into the sensitivity of the selected FPGA to radiation damage from protons with energy of 1 GeV and estimated failure rate of configuration (CRAM) and block static memory (BRAM) under the conditions of application of this technical solution in the BM@N experiment are presented. Additionally, the results of the study into the efficiency of the implemented methods of error correction in the configuration memory of the tested FPGA are presented.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 4","pages":"691 - 699"},"PeriodicalIF":0.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778263","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
Magnetic Levitation as a Reliable Means to Determine the Density of Small Size Materials
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI: 10.1134/S0020441224700891
Mohamed Rabie, Sobhy S. Ibrahim, Alaaeldain A. Eltawil, H. H. Hassan, B. M. Sayed
{"title":"Magnetic Levitation as a Reliable Means to Determine the Density of Small Size Materials","authors":"Mohamed Rabie,&nbsp;Sobhy S. Ibrahim,&nbsp;Alaaeldain A. Eltawil,&nbsp;H. H. Hassan,&nbsp;B. M. Sayed","doi":"10.1134/S0020441224700891","DOIUrl":"10.1134/S0020441224700891","url":null,"abstract":"<p>This study explains a magnetic levitation system to measure the material density with high accuracy. The main components of the magnetic levitation system are the paramagnetic solution, the two permanent magnets, and the digital camera. When the sample is submerged in a paramagnetic solution, it can be suspended at an equilibrium position between the two similar magnets with like poles facing each other. A 3D model is explained to facilitate the measuring process. The COMSOL simulation is performed to find suitable distance between the two magnets for measuring the material density up to 1.2 g/cm<sup>3</sup>. The magnetic levitation system is examined and verified using standard-density glass beads. Then, various samples (powder or solid) with different densities are tested. According to the obtained results, the magnetic levitation system can be used to measure and determine the material density with the maximum deviation of ±0.0003 g/cm<sup>3</sup>.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 4","pages":"833 - 841"},"PeriodicalIF":0.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778265","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
Visualization of the Area of Nuclear Reactions of DD-Fusion by the Method of Coding Diaphragms at the Iskra-5 Facility
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI: 10.1134/S0020441224700982
I. P. Elin, N. V. Zhidkov, N. A. Suslov, V. S. Ilyin, R. V. Garanin, E. V. Pozdnyakov
{"title":"Visualization of the Area of Nuclear Reactions of DD-Fusion by the Method of Coding Diaphragms at the Iskra-5 Facility","authors":"I. P. Elin,&nbsp;N. V. Zhidkov,&nbsp;N. A. Suslov,&nbsp;V. S. Ilyin,&nbsp;R. V. Garanin,&nbsp;E. V. Pozdnyakov","doi":"10.1134/S0020441224700982","DOIUrl":"10.1134/S0020441224700982","url":null,"abstract":"<p>To visualize the region of nuclear reactions of DD-fusion, the method of registration of protons with energy <i>E</i><sub><i>p</i></sub> = 3.02 MeV, formed in the second neutron-free channel, which has the same probability as the reaction in the neutron channel, was used. The results of recordings on the CR-39 track detector of the plasma cumulation region using two different coding diaphragms and the results of estimating the number of reactions in targets with an inverted corona using this method are presented.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 4","pages":"651 - 655"},"PeriodicalIF":0.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778566","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 and Research of a System for Measuring the Distribution of Surface Beta-Radiation Yield of a Flat Source
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI: 10.1134/S0020441224701057
S. G. Novikov, A. V. Berintsev, A. S. Alekseev, A. V. Zhukov, R. A. Kuznetsov, K. S. Bobrovskaya, A. A. Chertoriiskii, V. V. Prikhod’ko
{"title":"Development and Research of a System for Measuring the Distribution of Surface Beta-Radiation Yield of a Flat Source","authors":"S. G. Novikov,&nbsp;A. V. Berintsev,&nbsp;A. S. Alekseev,&nbsp;A. V. Zhukov,&nbsp;R. A. Kuznetsov,&nbsp;K. S. Bobrovskaya,&nbsp;A. A. Chertoriiskii,&nbsp;V. V. Prikhod’ko","doi":"10.1134/S0020441224701057","DOIUrl":"10.1134/S0020441224701057","url":null,"abstract":"<p>A system for measuring the spatial distribution of the of beta radiation flux from the radiation source surface has been developed and studied. The principal element of the measuring system is a probe sensor based on scintillation optical fiber, the output optical signal from which is fed to the input of the photon counter and further processed by a microcontroller. Using the numerical modeling method and the Geant4 software libraries, the sensitivity parameters of the sensor element were calculated for the process of measuring the beta radiation flux from the surface of a 63Ni based flat source. The spatial distribution of the yield of beta electrons from a 1 × 1 cm<sup>2</sup> source and the dependence of the sensitivity of the probe on the distance to the source were experimentally studied. The experimental data are in good agreement with the results of the model calculation.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 4","pages":"665 - 671"},"PeriodicalIF":0.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778256","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
Study of 14.7 MeV Neutron Field Characteristics with a Diamond Detector
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI: 10.1134/S0020441224701045
S. A. Meshchaninov, N. B. Rodionov, A. V. Krasil’nikov, V. O. Saburov, E. I. Kazakov, A. A. Lychagin, S. N. Koryakin, Yu. A. Kashchuk, R. N. Rodionov, V. N. Amosov, A. S. Dzhurik
{"title":"Study of 14.7 MeV Neutron Field Characteristics with a Diamond Detector","authors":"S. A. Meshchaninov,&nbsp;N. B. Rodionov,&nbsp;A. V. Krasil’nikov,&nbsp;V. O. Saburov,&nbsp;E. I. Kazakov,&nbsp;A. A. Lychagin,&nbsp;S. N. Koryakin,&nbsp;Yu. A. Kashchuk,&nbsp;R. N. Rodionov,&nbsp;V. N. Amosov,&nbsp;A. S. Dzhurik","doi":"10.1134/S0020441224701045","DOIUrl":"10.1134/S0020441224701045","url":null,"abstract":"<p>The results of experimental studies of the neutron field characteristics with an energy of 14.7 MeV created by the portable neutron generator NG-14 are presented. The measurements were made using a fast neutron radiometer based on a diamond detector. The neutron beam from the neutron generator’s target passed through a massive collimator made of steel. Analysis of the amplitude spectra of the diamond detector, caused by the registration of fast neutrons, made it possible to determine the following characteristics of the neutron field: the flux density of direct neutrons, the flux density of neutrons scattered in the collimator, and the energy spectrum of neutron radiation. Based on the obtained energy spectra, the kerma of neutron radiation in the water phantom and the dose rate of scattered neutrons behind the collimator with an energy higher than 0.5 MeV were calculated.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 4","pages":"656 - 664"},"PeriodicalIF":0.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778261","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
Erratum to: Position Sensitive Detector Based on Microchannel Plates for Measuring the Characteristics of Fission Fragments at the MAVR Facility
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI: 10.1134/S0020441224050014
D. Aznabayev, T. Issatayev, S. M. Lukyanov, V. I. Smirnov, S. S. Stukalov, A. N. Solodov
{"title":"Erratum to: Position Sensitive Detector Based on Microchannel Plates for Measuring the Characteristics of Fission Fragments at the MAVR Facility","authors":"D. Aznabayev,&nbsp;T. Issatayev,&nbsp;S. M. Lukyanov,&nbsp;V. I. Smirnov,&nbsp;S. S. Stukalov,&nbsp;A. N. Solodov","doi":"10.1134/S0020441224050014","DOIUrl":"10.1134/S0020441224050014","url":null,"abstract":"","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 4","pages":"842 - 842"},"PeriodicalIF":0.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778266","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
Study of Parameters and Characteristics of Turbulent Flow in the Working Zone of a Wind Tunnel
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI: 10.1134/S0020441224701070
O. I. Poddaeva, A. F. Zubkov
{"title":"Study of Parameters and Characteristics of Turbulent Flow in the Working Zone of a Wind Tunnel","authors":"O. I. Poddaeva,&nbsp;A. F. Zubkov","doi":"10.1134/S0020441224701070","DOIUrl":"10.1134/S0020441224701070","url":null,"abstract":"<p>This study presents an experimental investigation of turbulent flow characteristics within a wind-tunnel environment. A methodology was developed to analyze the parameters and characteristics of the turbulent flow in the wind tunnel’s test section. This methodology encompasses the determination of the reproducible range of air velocity, airflow velocity instability, nonuniformity of the airflow velocity field. The findings from the velocity field analysis demonstrate the feasibility of conducting aerodynamic tests on models subjected to a uniform flow within the wind tunnel.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 4","pages":"812 - 818"},"PeriodicalIF":0.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1134/S0020441224701070.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778323","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
Measurement of Nonlinear Scattering of Baseband Pulsed Electromagnetic Waves by Small-Sized Objects
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-12-05 DOI: 10.1134/S0020441224701112
E. V. Semyonov, M. A. Nazarov, A. V. Fateev, K. M. Poltorykhin, A. A. Berezin, V. S. Pozdnyakov
{"title":"Measurement of Nonlinear Scattering of Baseband Pulsed Electromagnetic Waves by Small-Sized Objects","authors":"E. V. Semyonov,&nbsp;M. A. Nazarov,&nbsp;A. V. Fateev,&nbsp;K. M. Poltorykhin,&nbsp;A. A. Berezin,&nbsp;V. S. Pozdnyakov","doi":"10.1134/S0020441224701112","DOIUrl":"10.1134/S0020441224701112","url":null,"abstract":"<p>A setup that allows for measuring the scattering of a step ultra-wideband electromagnetic wave (subnanosecond front duration) by small-size objects is considered. The main feature of the setup is the selection of the nonlinear response component in a scattered signal with a continuous spectrum. The intensity of the test field achieved in the experiments is 135 W/m<sup>2</sup>. It is shown that the threshold sensitivity for the object’s nonlinear response is limited mainly by the shift of local fragments of the recorded signals that occurs in the stroboscopic receiver. By correcting these shifts, a threshold sensitivity for the potential of a nonlinearly scattered field of no worse than 3.5 mV was obtained at a potential of a field scattered by the object not exceeding 520 mV. The results of testing the setup using linear and nonlinear standards with known parameters, as well as observing the nonlinear response of a small-sized electronic device, are presented.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 4","pages":"723 - 730"},"PeriodicalIF":0.4,"publicationDate":"2024-12-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142778391","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 Scintillation Amplitude−Coordinate Spectrometer 闪烁振幅坐标光谱仪
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2024-10-23 DOI: 10.1134/S0020441224700672
V. I. Alekseev, V. A. Baskov, V. A. Dronov, A. I. L’vov, A. V. Kolzov, Yu. F. Krechetov, V. V. Poliansky, S. S. Sidorin, E. A. Khafizova
{"title":"A Scintillation Amplitude−Coordinate Spectrometer","authors":"V. I. Alekseev,&nbsp;V. A. Baskov,&nbsp;V. A. Dronov,&nbsp;A. I. L’vov,&nbsp;A. V. Kolzov,&nbsp;Yu. F. Krechetov,&nbsp;V. V. Poliansky,&nbsp;S. S. Sidorin,&nbsp;E. A. Khafizova","doi":"10.1134/S0020441224700672","DOIUrl":"10.1134/S0020441224700672","url":null,"abstract":"<p>The scintillation amplitude−coordinate spectrometer with a thickness of 0.58<i>X</i><sub>0</sub> has been calibrated using cosmic radiation. The light signals in the spectrometer are detected by FEU-49 and FEU-85 photomultiplier tubes, which determine the amplitude and coordinate systems, respectively. It has been established that the relative amplitude and coordinate resolutions depend on the point of particle incidence on the spectrometer. The relative amplitude and coordinate resolutions measured at the center of the spectrometer appear to be the best, and their values are ~8.7% and ~1.6 cm, respectively.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 3","pages":"439 - 442"},"PeriodicalIF":0.4,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142518531","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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