Instruments and Experimental Techniques最新文献

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Heavy Ion Linac LU2 for the Synchrotron Research Complex 用于同步加速器研究综合体的重离子直线加速器LU2
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S0020441224701811
T. V. Kulevoy, N. V. Zavialov, G. N. Kropachev, A. L. Sitnikov, Vl. S. Skachkov, V. G. Kuzmichev, D. A. Liakin, S. V. Barabin, A. I. Semennikov, D. N. Seleznev, V. K. Semyachkin, V. S. Stolbunov, A. Yu. Orlov, R. P. Kuibida, A. V. Kozlov, Yu. B. Stasevich, V. I. Nikolaev, A. I. Marchenkov, N. M. Kristy, A. V. Shumshurov, Yu. A. Satov, A. N. Balabaev, A. A. Vasiliev, A. A. Losev, I. A. Khrisanov, S. V. Vinogradov, E. R. Khabibullina, I. V. Kilmetova, A. A. Malyshev, M. S. Saratovskikh, A. S. Boriskov, M. A. Guzov, L. E. Polyakov, M. I. Makarova, D. S. Trufanov, I. A. Mashin, A. V. Mashagin, M. L. Smetanin, A. V. Telnov, A. M. Opekunov, M. V. Smirnov, P. A. Sokolov, N. M. Serebrova
{"title":"Heavy Ion Linac LU2 for the Synchrotron Research Complex","authors":"T. V. Kulevoy,&nbsp;N. V. Zavialov,&nbsp;G. N. Kropachev,&nbsp;A. L. Sitnikov,&nbsp;Vl. S. Skachkov,&nbsp;V. G. Kuzmichev,&nbsp;D. A. Liakin,&nbsp;S. V. Barabin,&nbsp;A. I. Semennikov,&nbsp;D. N. Seleznev,&nbsp;V. K. Semyachkin,&nbsp;V. S. Stolbunov,&nbsp;A. Yu. Orlov,&nbsp;R. P. Kuibida,&nbsp;A. V. Kozlov,&nbsp;Yu. B. Stasevich,&nbsp;V. I. Nikolaev,&nbsp;A. I. Marchenkov,&nbsp;N. M. Kristy,&nbsp;A. V. Shumshurov,&nbsp;Yu. A. Satov,&nbsp;A. N. Balabaev,&nbsp;A. A. Vasiliev,&nbsp;A. A. Losev,&nbsp;I. A. Khrisanov,&nbsp;S. V. Vinogradov,&nbsp;E. R. Khabibullina,&nbsp;I. V. Kilmetova,&nbsp;A. A. Malyshev,&nbsp;M. S. Saratovskikh,&nbsp;A. S. Boriskov,&nbsp;M. A. Guzov,&nbsp;L. E. Polyakov,&nbsp;M. I. Makarova,&nbsp;D. S. Trufanov,&nbsp;I. A. Mashin,&nbsp;A. V. Mashagin,&nbsp;M. L. Smetanin,&nbsp;A. V. Telnov,&nbsp;A. M. Opekunov,&nbsp;M. V. Smirnov,&nbsp;P. A. Sokolov,&nbsp;N. M. Serebrova","doi":"10.1134/S0020441224701811","DOIUrl":"10.1134/S0020441224701811","url":null,"abstract":"<p>The project of a facility for studying the ionizing radiation effects from outer space is under development at Russian Federal Nuclear Center All-Russia Research Institute of Experimental Physics (RFNC-VNIIEF, Sarov). The National Research Center Kurchatov Institute (KCTEF) has developed a technical project and design documentation for a heavy ion linac. The linac provides the acceleration of the beams with the mass-to-charge ratio within the range of 4–8 in a pulsed mode up to energy of 4 MeV per nucleon with a current of 10 mA. The accelerator consists of a laser ion source, an RFQ section and two DTL sections operating at multiple frequencies. The world’s most powerful laser ion source can generate a Bi<sup>27+</sup> ion beam with a current of at least 3 mA at a pulse duration of 5 μs. In the linac, at least 95% of the injected beam current is captured in acceleration.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S174 - S182"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594719","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
Status of the Experimental Setup Radiobiological Stand (RBS) on a Beam of Carbon Nuclei Extracted from the U-70 Accelerator Complex 从U-70加速器络合物中提取碳核束的实验装置-放射生物学支架(RBS)的现状
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S0020441224701689
Yu. M. Antipov, A. G. Vasilyeva, D. A. Vasiliev, V. A. Kalinin, A. V. Koshelev, S. V. Makonin, A. V. Maximov, E. V. Parmenova, V. A. Pikalov, M. K. Polkovnikov, A. P. Soldatov, E. V. Koryakina, S. N. Koryakin, V. O. Saburov, A. N. Solovev, M. V. Troshina, A. A. Perevezentsev, A. S. Shtemberg, N. P. Sirota, E. N. Smirnova, O. M. Rozanova, T. A. Belyakova
{"title":"Status of the Experimental Setup Radiobiological Stand (RBS) on a Beam of Carbon Nuclei Extracted from the U-70 Accelerator Complex","authors":"Yu. M. Antipov,&nbsp;A. G. Vasilyeva,&nbsp;D. A. Vasiliev,&nbsp;V. A. Kalinin,&nbsp;A. V. Koshelev,&nbsp;S. V. Makonin,&nbsp;A. V. Maximov,&nbsp;E. V. Parmenova,&nbsp;V. A. Pikalov,&nbsp;M. K. Polkovnikov,&nbsp;A. P. Soldatov,&nbsp;E. V. Koryakina,&nbsp;S. N. Koryakin,&nbsp;V. O. Saburov,&nbsp;A. N. Solovev,&nbsp;M. V. Troshina,&nbsp;A. A. Perevezentsev,&nbsp;A. S. Shtemberg,&nbsp;N. P. Sirota,&nbsp;E. N. Smirnova,&nbsp;O. M. Rozanova,&nbsp;T. A. Belyakova","doi":"10.1134/S0020441224701689","DOIUrl":"10.1134/S0020441224701689","url":null,"abstract":"<p>Information on the current state of the radio-biological stand (RBS) on a beam of carbon ions extracted from the U-70 accelerator complex is presented. The slow extraction (up to 900 ms) of a beam of carbon nuclei with energies of 200–450 MeV/nucleon from the U-70 accelerator to the RBS setup has been mastered for radiobiological and preclinical research, which are aimed at developing domestic methods for treating oncological diseases with accelerated carbon ions. The equipment for transporting the beam to the RBS zone and the devices for passive and active beam modification are briefly described, the characteristics of the beam are given, and the results of the latest modernization of the RBS are presented. The results of radiobiological studies obtained using the RBS setup are also presented.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S300 - S304"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594766","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
Vacuum Insulated Tandem Accelerator VITA and Its Applications 真空绝缘串联加速器VITA及其应用
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S0020441224701707
M. I. Bikchurina, T. A. Bykov, G. D. Verkhovod, I. S. Ibrahim, A. I. Kasatova, D. A. Kasatov, Ya. A. Kolesnikov, V. D. Konovalova, A. M. Koshkarev, A. S. Kuznetsov, G. M. Ostreinov, V. V. Porosev, S. S. Savinov, N. Sh. Singatulina, E. O. Sokolova, I. N. Sorokin, T. V. Sycheva, Yu. S. Taskaeva, A. A. Shuklina, I. M. Shchudlo, S. Yu. Taskaev
{"title":"Vacuum Insulated Tandem Accelerator VITA and Its Applications","authors":"M. I. Bikchurina,&nbsp;T. A. Bykov,&nbsp;G. D. Verkhovod,&nbsp;I. S. Ibrahim,&nbsp;A. I. Kasatova,&nbsp;D. A. Kasatov,&nbsp;Ya. A. Kolesnikov,&nbsp;V. D. Konovalova,&nbsp;A. M. Koshkarev,&nbsp;A. S. Kuznetsov,&nbsp;G. M. Ostreinov,&nbsp;V. V. Porosev,&nbsp;S. S. Savinov,&nbsp;N. Sh. Singatulina,&nbsp;E. O. Sokolova,&nbsp;I. N. Sorokin,&nbsp;T. V. Sycheva,&nbsp;Yu. S. Taskaeva,&nbsp;A. A. Shuklina,&nbsp;I. M. Shchudlo,&nbsp;S. Yu. Taskaev","doi":"10.1134/S0020441224701707","DOIUrl":"10.1134/S0020441224701707","url":null,"abstract":"<p>One of the charged-particle accelerators with relatively low energy and relatively high current is the vacuum insulated tandem accelerator. The work notes the originality of the accelerator design and presents the results of the research. It was shown that replacing ceramic insulators with a smooth side surface with insulators with a corrugated outer surface ensured the required voltage of 1.15 MV without breakdowns. The required current of 10 mA was obtained by upgrading the facility, which followed the experimental determination of the effect of space charge on the transport of ions and significant suppression of the flow of secondary charged particles. The measured phase portraits of a beam of negative hydrogen ions and a beam of protons injected into the accelerator are presented. It is noted that the facility is primarily used for the development of boron-neutron capture therapy techniques for malignant tumors, for radiation testing and modification of promising materials with a neutron flux, for measuring the cross section and yield of nuclear reactions, and for other applications.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S305 - S310"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594769","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 Fast Summing Preamplifier for Time-of-Flight Chambers of the HARP Experiment (PS214, CERN) 一种用于HARP实验(PS214, CERN)飞行时间室的快速求和前置放大器
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-07 DOI: 10.1134/S0020441224702117
E. A. Usenko
{"title":"A Fast Summing Preamplifier for Time-of-Flight Chambers of the HARP Experiment (PS214, CERN)","authors":"E. A. Usenko","doi":"10.1134/S0020441224702117","DOIUrl":"10.1134/S0020441224702117","url":null,"abstract":"<p>A technique for developing a fast summing preamplifier for resistive plate counters of the HARP experiment (PS214, CERN) is presented. The classic analog adder has been redesigned to obtain a minimum intrinsic jitter of 26 ps. This jitter has been attained via a trade-off with a charge summation accuracy of ~5%. The summing preamplifier has eight inputs and is based on the principle of summing a 104 × 240-mm<sup>2</sup> readout area containing eight strips with dimensions of 104 × 29 mm<sup>2</sup>. The preamplifier is located inside the chamber. Its conversion factor is 100 mV/pC at a charge collection time of approximately 1 ns. The spread of the systematic timing error at the inputs is less than 30 ps. The power consumption is 350 mW. There are 368 summing amplifiers in the time-of-flight system.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 6","pages":"1102 - 1109"},"PeriodicalIF":0.4,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143564498","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
Raman Gas Analyzer Based on a Multimode Diode Laser 基于多模二极管激光器的拉曼气体分析仪
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-07 DOI: 10.1134/S0020441224702038
M. A. Kostenko, I. I. Matrosov, A. R. Zaripov, A. S. Tanichev, V. K. Volkov, S. D. Korkishko, D. V. Petrov
{"title":"Raman Gas Analyzer Based on a Multimode Diode Laser","authors":"M. A. Kostenko,&nbsp;I. I. Matrosov,&nbsp;A. R. Zaripov,&nbsp;A. S. Tanichev,&nbsp;V. K. Volkov,&nbsp;S. D. Korkishko,&nbsp;D. V. Petrov","doi":"10.1134/S0020441224702038","DOIUrl":"10.1134/S0020441224702038","url":null,"abstract":"<p>The article presents the concept of gas analyzer based on Raman spectroscopy where a multimode blue diode laser is used as an excitation source. Methods for reducing the spectral width of the radiation of such a laser due to external feedback have been investigated. It has been shown that, when an optical scheme based on Fabry–Pero interferometer is used for this purpose, the resolution of the recorded Raman spectra can reach 8 cm<sup>–1</sup>. The performance of the developed Raman gas analyzer is presented and discussed. It was established that the achieved signal-to-noise ratio at the analysis time of 2 s allows detection of any type of molecule with concentration of &gt;1%.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 6","pages":"1182 - 1188"},"PeriodicalIF":0.4,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143564575","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 on Health Condition Monitoring System and Multi-State Quantity Fusion Evaluation of Bridge Cable 桥梁电缆健康状态监测系统及多状态量融合评价研究
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-07 DOI: 10.1134/S0020441224701938
Chunying Xu, Chengyu Yang, Xinjie Wu, Ruixin Liang, Yu Zhou, Jiawang Chen, Chen Cao, Chuliang Wei
{"title":"Study on Health Condition Monitoring System and Multi-State Quantity Fusion Evaluation of Bridge Cable","authors":"Chunying Xu,&nbsp;Chengyu Yang,&nbsp;Xinjie Wu,&nbsp;Ruixin Liang,&nbsp;Yu Zhou,&nbsp;Jiawang Chen,&nbsp;Chen Cao,&nbsp;Chuliang Wei","doi":"10.1134/S0020441224701938","DOIUrl":"10.1134/S0020441224701938","url":null,"abstract":"<p>To achieve timely and effective monitoring of the health status of bridge power cables, as well as to address the deficiencies in the existing monitoring system such as incomplete functional and state evaluation, we propose a multi-parameter state monitoring system based on fiber Bragg grating (FBG) sensing technology and microelectromechanical systems (MEMS) sensing technology. This system enables vibration, strain, temperature, and deformation measurements of both the bridge power cable and its expansion compensation device. In order to comprehensively evaluate the health status of the bridge power cable, we introduce a comprehensive fusion model for multi-state assessment. Furthermore, to enable real-time monitoring capabilities, we have developed a web-based monitoring system that can receive real-time sensor data and present it to users through an intuitive visual interface. Finally, by applying our proposed model to Zhoushan–Daishan Bridge in Zhoushan City as an example, we validate its feasibility and effectiveness in enhancing performance and practicality of bridge power cable monitoring systems.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 6","pages":"1168 - 1181"},"PeriodicalIF":0.4,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143564574","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
SPASCHARM Experimental Setup for Studying the Spin Effects in Hadron Collisions at the U-70 Accelerator Complex U-70复合加速器强子碰撞自旋效应研究的SPASCHARM实验装置
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-07 DOI: 10.1134/S0020441224701951
V. V. Abramov, G. D. Alekseev, I. G. Alekseev, V. A. Andreev, N. A. Bazhanov, A. A. Borisov, N. S. Borisov, S. I. Bukreeva, A. N. Vasiliev, Yu. M. Goncharenko, A. M. Gorin, I. S. Gorodnov, A. A. Derevshchikov, A. S. Dolzhikov, N. I. Zhuravlev, A. N. Isaev, N. K. Kalugin, A. S. Kozhin, N. G. Kozlenko, V. S. Kozlov, A. B. Lazarev, E. V. Maslova, V. A. Maisheev, Yu. M. Melnick, A. P. Meshchanin, N. G. Minaev, V. V. Moiseev, D. A. Morozov, V. V. Mochalov, A. B. Neganov, V. M. Nesterov, K. D. Novikov, D. V. Novinskii, L. V. Nogach, M. B. Nurusheva, A. A. Piskun, Yu. A. Plis, A. F. Prudkoglyad, S. V. Ryzhikov, V. L. Rykov, V. V. Ryltsov, A. D. Ryabov, T. D. Ryabova, A. V. Ryazantsev, E. I. Samigullin, D. N. Svirida, P. A. Semenov, V. A. Senko, M. M. Soldatov, L. F. Soloviev, V. I. Tarakanov, A. V. Uzunyan, Yu. A. Usov, R. M. Fakhrutdinov, A. N. Fedorov, N. A. Shalanda, V. I. Yakimchuk, A. E. Yakutin
{"title":"SPASCHARM Experimental Setup for Studying the Spin Effects in Hadron Collisions at the U-70 Accelerator Complex","authors":"V. V. Abramov,&nbsp;G. D. Alekseev,&nbsp;I. G. Alekseev,&nbsp;V. A. Andreev,&nbsp;N. A. Bazhanov,&nbsp;A. A. Borisov,&nbsp;N. S. Borisov,&nbsp;S. I. Bukreeva,&nbsp;A. N. Vasiliev,&nbsp;Yu. M. Goncharenko,&nbsp;A. M. Gorin,&nbsp;I. S. Gorodnov,&nbsp;A. A. Derevshchikov,&nbsp;A. S. Dolzhikov,&nbsp;N. I. Zhuravlev,&nbsp;A. N. Isaev,&nbsp;N. K. Kalugin,&nbsp;A. S. Kozhin,&nbsp;N. G. Kozlenko,&nbsp;V. S. Kozlov,&nbsp;A. B. Lazarev,&nbsp;E. V. Maslova,&nbsp;V. A. Maisheev,&nbsp;Yu. M. Melnick,&nbsp;A. P. Meshchanin,&nbsp;N. G. Minaev,&nbsp;V. V. Moiseev,&nbsp;D. A. Morozov,&nbsp;V. V. Mochalov,&nbsp;A. B. Neganov,&nbsp;V. M. Nesterov,&nbsp;K. D. Novikov,&nbsp;D. V. Novinskii,&nbsp;L. V. Nogach,&nbsp;M. B. Nurusheva,&nbsp;A. A. Piskun,&nbsp;Yu. A. Plis,&nbsp;A. F. Prudkoglyad,&nbsp;S. V. Ryzhikov,&nbsp;V. L. Rykov,&nbsp;V. V. Ryltsov,&nbsp;A. D. Ryabov,&nbsp;T. D. Ryabova,&nbsp;A. V. Ryazantsev,&nbsp;E. I. Samigullin,&nbsp;D. N. Svirida,&nbsp;P. A. Semenov,&nbsp;V. A. Senko,&nbsp;M. M. Soldatov,&nbsp;L. F. Soloviev,&nbsp;V. I. Tarakanov,&nbsp;A. V. Uzunyan,&nbsp;Yu. A. Usov,&nbsp;R. M. Fakhrutdinov,&nbsp;A. N. Fedorov,&nbsp;N. A. Shalanda,&nbsp;V. I. Yakimchuk,&nbsp;A. E. Yakutin","doi":"10.1134/S0020441224701951","DOIUrl":"10.1134/S0020441224701951","url":null,"abstract":"<p>Data taking has been started at the first stage of the SPASCHARM experiment on systematic study of the spin effects in strong interactions. The current setup configuration is described, and the detector characteristics attained during the beam data taking in the runs of 2018–2022 are listed.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 6","pages":"1065 - 1079"},"PeriodicalIF":0.4,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143564502","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
Protection of Voltage Sources from Current Overloading 电压源电流过载保护
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-07 DOI: 10.1134/S0020441224702099
A. I. Sergeev
{"title":"Protection of Voltage Sources from Current Overloading","authors":"A. I. Sergeev","doi":"10.1134/S0020441224702099","DOIUrl":"10.1134/S0020441224702099","url":null,"abstract":"<div><p>A voltage source is described that provides protection of high-power output transistor stages against current overloading. The smooth setting of the maximum allowable output current makes it possible to quickly change the permissible load current from 6 to 13 A under changes in the output voltage from 2.5 to 9.1 V, while providing a power reserve for the output transistor of at least 35%.</p></div>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 6","pages":"1125 - 1127"},"PeriodicalIF":0.4,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143564527","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
Formation of Bremsstrahlung Focal Spots in Betatrons Using Small-Size Targets 利用小尺寸靶标在电子加速器中形成轫致辐射焦点
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-07 DOI: 10.1134/S0020441224702105
V. B. Sorokin
{"title":"Formation of Bremsstrahlung Focal Spots in Betatrons Using Small-Size Targets","authors":"V. B. Sorokin","doi":"10.1134/S0020441224702105","DOIUrl":"10.1134/S0020441224702105","url":null,"abstract":"<p>The main patterns of formation of focal spots of bremsstrahlung radiation during interaction of a betatron electron beam with various small-sized targets are investigated on the basis of a model previously determined in experimental and model studies of the method of measuring focal spots of bremsstrahlung radiation of betatrons with flat targets. The sizes of the focal spots depend on the ratio between the size of the target along the axis of the electron beam and the size of the target normal to the beam axis. Parallelepiped-shaped targets with appropriate size ratios form circular focal spots. The latest version of the method using a slit collimator determines the size of focal spots of small targets as the width of the distributions at half the height of normal approximations of the real distributions of quanta in the focal spots. The output of bremsstrahlung from a focal spot of a small target is much greater than the output from a secondary focal spot component of the same size when collimating bremsstrahlung emerging from a flat target.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 6","pages":"1128 - 1137"},"PeriodicalIF":0.4,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143564528","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
Prototype of 2D PSD for slow neutrons based on RPC with 10B4C film 基于RPC和10B4C薄膜的二维慢中子PSD原型
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-07 DOI: 10.1134/S0020441224702063
M. O. Petrova, A. A. Bogdzel’, V. I. Bodnarchuk, O. Daulbaev, V. M. Milkov, A. K. Kurilkin, K. V. Bulatov, A. V. Dmitriev, V. A. Babkin, M. M. Avdeev, E. I. Litvinenko
{"title":"Prototype of 2D PSD for slow neutrons based on RPC with 10B4C film","authors":"M. O. Petrova,&nbsp;A. A. Bogdzel’,&nbsp;V. I. Bodnarchuk,&nbsp;O. Daulbaev,&nbsp;V. M. Milkov,&nbsp;A. K. Kurilkin,&nbsp;K. V. Bulatov,&nbsp;A. V. Dmitriev,&nbsp;V. A. Babkin,&nbsp;M. M. Avdeev,&nbsp;E. I. Litvinenko","doi":"10.1134/S0020441224702063","DOIUrl":"10.1134/S0020441224702063","url":null,"abstract":"<p>A prototype of a two-coordinate position-sensitive detector based on a RPC with a thin film converter (2 µm) made of boron carbide enriched in isotope <sup>10</sup>B &gt; 95% is presented. The active area size is 75 × 150 mm<sup>2</sup>, which corresponds to 64 registration channels along the <i>x</i> axis and 128 channels along the <i>y</i> axis. The design of the detector, the results of diagnostics of converter films by the X-ray reflectometry method, the spectrum of conversion gamma radiation, and the results of measurements with a laboratory source <sup>252</sup>Cf are presented.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 6","pages":"1080 - 1087"},"PeriodicalIF":0.4,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143564503","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}
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