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The RF Parameters of a Two-Gap Drift Tube Linac 双间隙漂移管直线加速器的射频参数
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S0020441224701902
A. L. Sitnikov, D. N. Selesnev, G. N. Kropachev, A. I. Semennikov, T. V. Kulevoy, A. M. Opekunov, M. L. Smetanin
{"title":"The RF Parameters of a Two-Gap Drift Tube Linac","authors":"A. L. Sitnikov,&nbsp;D. N. Selesnev,&nbsp;G. N. Kropachev,&nbsp;A. I. Semennikov,&nbsp;T. V. Kulevoy,&nbsp;A. M. Opekunov,&nbsp;M. L. Smetanin","doi":"10.1134/S0020441224701902","DOIUrl":"10.1134/S0020441224701902","url":null,"abstract":"<p>The linear accelerator (linac) with a mass-to-charge ratio of <i>A</i>/<i>Z</i> = 8, an energy of 4 MeV/n and a current of 10 mA is under develop at the National Research Center Kurchatov Institute. The linac consists of an accelerator with radio frequency quadrupole (RFQ) operating at a frequency of 40 MHz, and two accelerating structures with drift tubes DTL<sub>1</sub> and DTL<sub>2</sub> operating at frequencies of 80 and 160 MHz, respectively. It is assumed that the accelerating structure of DTL<sub>1</sub> will consist of 12 two-gap quarter-wave resonators.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S197 - S200"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594590","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
Measurement of Permanent Magnets Parameters for Prototypes of Bending Magnets of an Energy-Saving Synchrotron Radiation Source 节能同步辐射源弯曲磁体原型永磁体参数测量
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S002044122470177X
Ya. I. Gorbachev, V. G. Tcheskidov, O. A. Shevchenko, S. B. Lachynov, N. A. Vinokurov
{"title":"Measurement of Permanent Magnets Parameters for Prototypes of Bending Magnets of an Energy-Saving Synchrotron Radiation Source","authors":"Ya. I. Gorbachev,&nbsp;V. G. Tcheskidov,&nbsp;O. A. Shevchenko,&nbsp;S. B. Lachynov,&nbsp;N. A. Vinokurov","doi":"10.1134/S002044122470177X","DOIUrl":"10.1134/S002044122470177X","url":null,"abstract":"<p>A concept of an energy-saving synchrotron radiation source is being developed at the Budker Institute of Nuclear Physics. One of the main differences between the new radiation source and the existing ones is the absence of DC power supplies and water-cooled coils for most elements of the magnetic system that use permanent magnets. To test this new technical solution, prototypes of bending magnets were designed and are being manufactured. This paper describes the measurement technique and presents the preliminary results of measuring the parameters of permanent magnets.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S255 - S259"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594596","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 Possibilities for Applying Bent Crystals in Modern Accelerators 弯曲晶体应用于现代加速器的新可能性
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S0020441224701690
A. G. Afonin, A. G. Vasilyeva, M. Yu. Chesnokov, Yu. A. Chesnokov, A. A. Yanovich
{"title":"New Possibilities for Applying Bent Crystals in Modern Accelerators","authors":"A. G. Afonin,&nbsp;A. G. Vasilyeva,&nbsp;M. Yu. Chesnokov,&nbsp;Yu. A. Chesnokov,&nbsp;A. A. Yanovich","doi":"10.1134/S0020441224701690","DOIUrl":"10.1134/S0020441224701690","url":null,"abstract":"<p>The article presents new applications of bent crystals in accelerator science, which can stimulate new experiments in high-energy physics: particle channels of new type made for positive secondary particles and production of high-energy neutrino beams and a crystalline muon collider. Proposals were formulated for the use of crystals in large hadron colliders, which were confirmed by experimental studies both at CERN accelerators and at the domestic U-70 accelerator.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S155 - S160"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594716","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
Production of Metal Ion Beams from ECR Sources at the Flerov Laboratory of Nuclear Reactions of JINR 在JINR Flerov核反应实验室从ECR源产生金属离子束
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S0020441224701719
A. E. Bondarchenko, S. L. Bogomolov, A. A. Efremov, V. N. Loginov, V. E. Mironov, D. K. Pugachev, A. A. Protasov
{"title":"Production of Metal Ion Beams from ECR Sources at the Flerov Laboratory of Nuclear Reactions of JINR","authors":"A. E. Bondarchenko,&nbsp;S. L. Bogomolov,&nbsp;A. A. Efremov,&nbsp;V. N. Loginov,&nbsp;V. E. Mironov,&nbsp;D. K. Pugachev,&nbsp;A. A. Protasov","doi":"10.1134/S0020441224701719","DOIUrl":"10.1134/S0020441224701719","url":null,"abstract":"<p>The production of Al and Ti ion beams were investigated using different methods. The experiments were performed with the DECRIS-2M and DECRIS-PM ion sources at the test bench of the electron-cyclotron resonance (ECR) sources and at the DC-280 cyclotron.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S232 - S235"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594652","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
Energy-Saving Synchrotron Radiation Source on Permanent Magnets 永磁体上的节能同步辐射源
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S0020441224701720
N. A. Vinokurov, Sh. B. Lachynov, D. A. Nikiforov, V. G. Cheskidov
{"title":"Energy-Saving Synchrotron Radiation Source on Permanent Magnets","authors":"N. A. Vinokurov,&nbsp;Sh. B. Lachynov,&nbsp;D. A. Nikiforov,&nbsp;V. G. Cheskidov","doi":"10.1134/S0020441224701720","DOIUrl":"10.1134/S0020441224701720","url":null,"abstract":"<p>A design for a high-brightness X-ray source with low (an order of magnitude lower than existing and currently under construction) energy consumption is considered. Such qualitative gains are achieved through the use of new technologies. The magnetic system of the electron storage ring, which uses electromagnets in existing sources, is built on the basis of permanent magnets made of neodymium-iron-boron alloy. In addition to zero power consumption, the permanent magnet magnetic system ensures high stability of radiation parameters since the magnetic field in it is never switched off.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S250 - S254"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594654","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 Production of the Nica Collider Magnetic-Cryostat System. Results of Cryogenic Tests of Superconducting Magnets Nica对撞机磁低温恒温系统的生产现状。超导磁体的低温试验结果
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S0020441224701860
D. N. Nikiforov, Yu. G. Bespalov, G. G. Khodzhibagiyan, V. V. Borisov, Yu. V. Gusakov, S. A. Korovkin, D. A. Zolotykh, M. V. Petrov, R. V. Talyzin, E. V. Sergeeva, G. L. Kuznetsov, A. A. Kotova, A. V. Kudashkin, P. I. Kudryashov
{"title":"Status of the Production of the Nica Collider Magnetic-Cryostat System. Results of Cryogenic Tests of Superconducting Magnets","authors":"D. N. Nikiforov,&nbsp;Yu. G. Bespalov,&nbsp;G. G. Khodzhibagiyan,&nbsp;V. V. Borisov,&nbsp;Yu. V. Gusakov,&nbsp;S. A. Korovkin,&nbsp;D. A. Zolotykh,&nbsp;M. V. Petrov,&nbsp;R. V. Talyzin,&nbsp;E. V. Sergeeva,&nbsp;G. L. Kuznetsov,&nbsp;A. A. Kotova,&nbsp;A. V. Kudashkin,&nbsp;P. I. Kudryashov","doi":"10.1134/S0020441224701860","DOIUrl":"10.1134/S0020441224701860","url":null,"abstract":"<p>The NICA accelerator complex consists of three superconducting rings: the Nuclotron synchrotron, which has been in operation since 1993, the Booster synchrotron, which has been commissioned since 2021, and the collider under construction. The paper presents the production status of elements of the NICA collider magnetic-cryostat system and the results of cryogenic tests of superconducting magnets, including training of superconducting coils, measurements of magnetic field parameters, measurements of static heat leak and dynamic heat releases.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S286 - S292"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594764","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
Storage Ring for a Compton Source of Gamma-Quanta in the Range from 1 to 200 MeV 1 - 200mev范围内康普顿伽马量子源的存储环
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S0020441224701859
D. A. Nikiforov, N. A. Vinokurov
{"title":"Storage Ring for a Compton Source of Gamma-Quanta in the Range from 1 to 200 MeV","authors":"D. A. Nikiforov,&nbsp;N. A. Vinokurov","doi":"10.1134/S0020441224701859","DOIUrl":"10.1134/S0020441224701859","url":null,"abstract":"<p>The method of inverse Compton scattering of laser photons is an effective method for obtaining energy-tunable and quasi-monochromatic gamma-quanta. To obtain such photon beams, Compton sources based on electron storage rings are used. This paper describes a design for a storage ring with a maximum electron energy of 2 GeV to obtain Compton gamma quanta in a wide energy range.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S191 - S196"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594593","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 Concept of a 16 : 1 Waveguide Combiner for High Power Applications 一种用于高功率应用的16:1波导合成器的概念
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S0020441224701847
Yu. Yu. Lozeev, T. A. Lozeeva, G. B. Sharkov, A. A. Morozov
{"title":"A Concept of a 16 : 1 Waveguide Combiner for High Power Applications","authors":"Yu. Yu. Lozeev,&nbsp;T. A. Lozeeva,&nbsp;G. B. Sharkov,&nbsp;A. A. Morozov","doi":"10.1134/S0020441224701847","DOIUrl":"10.1134/S0020441224701847","url":null,"abstract":"<p>A concept of a 16 : 1 combiner with a continuous-wave high-frequency 500-kW power at a frequency of 500 MHz, which is based on a WR1800 rectangular waveguide, and its 4 : 1 prototype, is discussed. The combiner operates at 32-kW continuous power supplied to each of the inputs and is equipped with a water-cooling system for the antennas. Cooling is implemented through a shorted segment of the coaxial line, and the RF power is supplied through a side line. The results of studying the characteristics and features of the 16 : 1 power combiner and its 4 : 1 prototype are presented.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S218 - S225"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594595","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
RF cavities for RF Transitions in Polarized H and D Atoms 极化H和D原子中射频跃迁的射频腔
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S0020441224701872
V. V. Paramonov, A. S. Belov
{"title":"RF cavities for RF Transitions in Polarized H and D Atoms","authors":"V. V. Paramonov,&nbsp;A. S. Belov","doi":"10.1134/S0020441224701872","DOIUrl":"10.1134/S0020441224701872","url":null,"abstract":"<p>Compact RF cavities are designed to generate a magnetic RF field that induces RF transitions between the spin states of hydrogen and deuterium atoms in sources of polarized ions. The cavities operate either at a frequency of ~380 MHz for polarized deuterium atoms or at a frequency of ~1480 MHz for polarized hydrogen atoms. In both cases, a single plane of particle polarization is provided. A uniform distribution of the magnetic RF field is formed with a minimal parasitic component transverse to the polarization plane. Options for the technical implementation of cavities are considered.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S226 - S231"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594589","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 RF Parameters of a Five-Gap Drift Tube Linac 五间隙漂移管直线加速器的射频参数
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S0020441224701926
A. L. Sitnikov, D. N. Selesnev, G. N. Kropachev, A. I. Semennikov, T. V. Kulevoy, A. M. Opekunov, M. L. Smetanin
{"title":"The RF Parameters of a Five-Gap Drift Tube Linac","authors":"A. L. Sitnikov,&nbsp;D. N. Selesnev,&nbsp;G. N. Kropachev,&nbsp;A. I. Semennikov,&nbsp;T. V. Kulevoy,&nbsp;A. M. Opekunov,&nbsp;M. L. Smetanin","doi":"10.1134/S0020441224701926","DOIUrl":"10.1134/S0020441224701926","url":null,"abstract":"<p>The linear accelerator (linac) with a mass-to-charge ratio of <i>A</i>/<i>Z</i> = 8, an energy of 4 MeV/n, and a current of 10 mA is under develop at the National Research Center Kurchatov Institute. The linac consists of an accelerator with radio frequency quadrupole (RFQ) operating at a frequency of 40 MHz, and two accelerating structures with drift tubes DTL<sub>1</sub> and DTL<sub>2</sub> operating at frequencies of 80 and 160 MHz, respectively. It is assumed that the accelerating structure of DTL<sub>2</sub> will consist of 28 five-gap quarter-wave resonators.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S201 - S205"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594592","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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