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RF cavities for RF Transitions in Polarized H and D Atoms
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
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
A Beam-Induced Fluorescence Monitor at the Low-Energy Beam Transport Line of the Proton Linac at the Institute for Nuclear Research
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S0020441224701756
S. A. Gavrilov, Yu. G. Kalinin, I. I. Polonik, A. I. Titov
{"title":"A Beam-Induced Fluorescence Monitor at the Low-Energy Beam Transport Line of the Proton Linac at the Institute for Nuclear Research","authors":"S. A. Gavrilov,&nbsp;Yu. G. Kalinin,&nbsp;I. I. Polonik,&nbsp;A. I. Titov","doi":"10.1134/S0020441224701756","DOIUrl":"10.1134/S0020441224701756","url":null,"abstract":"<p>A beam-induced fluorescence monitor based on fluorescence of the residual gas in the vacuum pipeline of the accelerator has been installed at the low-energy beam transport line of the INR linac for nondestructive measurements of the proton-beam profile and position. The design features of the monitor and experimental results of measurements during accelerator runs are presented. The monitor sensitivity, accuracy, and resolution are estimated. Based on these estimates, the acceptable operation modes and the necessary parameters of the diagnostic imaging system can be determined for various combinations of the beam parameters and the parameters of the accelerator vacuum system. The feasibility of this type of diagnostics based on a system of standard machine-vision cameras is shown for high-current proton-beam transport lines without the use of image intensifiers and additional gas injection into the pipeline.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S167 - S173"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594718","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 Control System of Novosibirsk Free Electron Laser Facility and Users’ Stations
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S0020441224701732
N. A. Vinokurov, V. R. Kozak, E. N. Dementiev, S. S. Serednyakov, S. V. Tararyshkin
{"title":"The Control System of Novosibirsk Free Electron Laser Facility and Users’ Stations","authors":"N. A. Vinokurov,&nbsp;V. R. Kozak,&nbsp;E. N. Dementiev,&nbsp;S. S. Serednyakov,&nbsp;S. V. Tararyshkin","doi":"10.1134/S0020441224701732","DOIUrl":"10.1134/S0020441224701732","url":null,"abstract":"<p>The Novosibirsk free electron laser (FEL) is a source of coherent radiation with the ability of wavelength tuning. It is based on a multiturn energy recovery linac, which involves one single-turn and one four-turn microtron-recuperator. There are three different free electron lasers, mounted on different tracks of these accelerators. Each FEL operates on different electron beam energy and has different wavelength range and power of generated radiation. The whole FEL facility is a complex physics installation; therefore, for effective control and monitoring of the FEL operation state and its parameters, the particularized control system was developed. In this article, the main features, hardware, and software compound parts used in this control system are considered. Aspects of interaction of this control system with users’ stations are also considered.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S211 - S217"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594594","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
Superconducting Magnets of Ion Sources
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S0020441224701781
E. R. Zapretilina, Yu. A. Klimchenko, O. A. Koval’chuk, A. N. Labusov, E. A. Lamzin, I. Yu. Rodin, V. N. Tanchuk, N. A. Khitrov, T. A. Khon
{"title":"Superconducting Magnets of Ion Sources","authors":"E. R. Zapretilina,&nbsp;Yu. A. Klimchenko,&nbsp;O. A. Koval’chuk,&nbsp;A. N. Labusov,&nbsp;E. A. Lamzin,&nbsp;I. Yu. Rodin,&nbsp;V. N. Tanchuk,&nbsp;N. A. Khitrov,&nbsp;T. A. Khon","doi":"10.1134/S0020441224701781","DOIUrl":"10.1134/S0020441224701781","url":null,"abstract":"<p>Today, accelerator installations of various configurations are widely used in the fields of medical and scientific activities. One of the main directions of work on the development of accelerator technology is to increase the energy of beams of charged particles, which is achieved by improving the magnetic system of the accelerator and the injection system. This article is devoted to the development by specialists of Efremov Research Institute of Electrophysical Equipment of superconducting magnets used in injection systems (ion sources) of various types. The article presents two superconducting magnets of different configurations, used: in a high-current injector of multiply charged ions based on an ECR (electron cyclotron resonance) type superconducting ion source with a magnetic field induction on the axis on the injection side of 4 T, on the extraction side of the ion beam 2–2, 5 T, and in the electron beam source of multiply charged ions of the external injection system of the cyclotron complex with a magnetic field induction of 5 T, respectively. The article provides justification for the choice of the main parameters of the magnetic system and its protection, electromagnetic, thermal and mechanical analysis of the selected configuration of the magnetic system.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S260 - S264"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594715","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
Beam Diagnostics for the Irradiation Facility at the Hydrogen Ion Linac of the Institute for Nuclear Research
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S0020441224701744
S. A. Gavrilov, V. A. Gaidash, A. I. Titov
{"title":"Beam Diagnostics for the Irradiation Facility at the Hydrogen Ion Linac of the Institute for Nuclear Research","authors":"S. A. Gavrilov,&nbsp;V. A. Gaidash,&nbsp;A. I. Titov","doi":"10.1134/S0020441224701744","DOIUrl":"10.1134/S0020441224701744","url":null,"abstract":"<p>The irradiation facility at the INR linac of protons and negative hydrogen ions is used not only to perform radiation resistance tasks but also to study interactions of charged-particle beams with matter. A distinctive feature of the facility is the operability with particle beams in different charge states over wide ranges of beam energy and intensity. As a result, appropriate universal beam diagnostics is required for the facility. The principles of design, production, and use of its diagnostic devices for different beam types are described. The features of their operation in different irradiation modes and examples of auxiliary functions of the frontend and integrating electronics are presented.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S161 - S166"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594717","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
Manufacture of FFS Superconducting Quadrupole
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S002044122470180X
S. S. Kozub, Yu. V. Altukhov, I. V. Bogdanov, A. V. Dvoichenkov, A. P. Lunev, A. A. Olyunin, V. M. Smirnov, L. M. Tkachenko, V. I. Shuvalov
{"title":"Manufacture of FFS Superconducting Quadrupole","authors":"S. S. Kozub,&nbsp;Yu. V. Altukhov,&nbsp;I. V. Bogdanov,&nbsp;A. V. Dvoichenkov,&nbsp;A. P. Lunev,&nbsp;A. A. Olyunin,&nbsp;V. M. Smirnov,&nbsp;L. M. Tkachenko,&nbsp;V. I. Shuvalov","doi":"10.1134/S002044122470180X","DOIUrl":"10.1134/S002044122470180X","url":null,"abstract":"<p>The HED@FAIR channel of the FAIR accelerator complex in Darmstadt, Germany, should have a focusing system (FFS) whose main components are four superconducting (SC) quadrupole magnets providing a beam size of approximately 1 mm. These magnets should have a unique combination of the internal diameter of the SC winding 260 mm and the magnetic field gradient 37.5 T/m. The National Research Centre Kurchatov Institute–IHEP has developed the design of a quadrupole, the technology of manufacturing of SC winding and its collaring, the production of a magnetic core, and their assembly into a quadrupole cold mass. The results of the study of parts of the cold mass of the FFS quadrupole during their manufacture and after assembly are presented in this article.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S279 - S285"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594765","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
Serial Magnetic Measurements of the NICA Collider Lattice Quadrupoles
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S0020441224701793
D. A. Zolotykh, V. V. Borisov, I. I. Donguzov, O. M. Golubitskii, G. G. Khodzhibagiyan, B. Kondrat’ev, S. A. Kostromin, A. V. Kudashkin, D. N. Nikiforov, I. Yu. Nikolaichuk, M. M. Omel’yanenko, M. M. Shandov, A. V. Shemchuk, I. A. Smirnov, E. V. Zolotykh
{"title":"Serial Magnetic Measurements of the NICA Collider Lattice Quadrupoles","authors":"D. A. Zolotykh,&nbsp;V. V. Borisov,&nbsp;I. I. Donguzov,&nbsp;O. M. Golubitskii,&nbsp;G. G. Khodzhibagiyan,&nbsp;B. Kondrat’ev,&nbsp;S. A. Kostromin,&nbsp;A. V. Kudashkin,&nbsp;D. N. Nikiforov,&nbsp;I. Yu. Nikolaichuk,&nbsp;M. M. Omel’yanenko,&nbsp;M. M. Shandov,&nbsp;A. V. Shemchuk,&nbsp;I. A. Smirnov,&nbsp;E. V. Zolotykh","doi":"10.1134/S0020441224701793","DOIUrl":"10.1134/S0020441224701793","url":null,"abstract":"<p>The testing and magnetic measurements of  70 twin-aperture quadrupole superconducting magnets have been performed at the Scientific and Experimental Department of Superconducting Magnets and Technologies (SEDSMT) in the Veksler and Baldin Laboratory of High Energy Physics (VBLHEP) of the Joint Institute for Nuclear Research (JINR). The magnets have been measured by a specially designed magnetic measurement system at the ambient and operating (4.5 K) temperatures. The magnetic measurement systems and results of magnetic measurements with the lattice quadrupoles of the NICA collider quadrupole arcs and blocks are described.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S265 - S278"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594655","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
Beam Lines for the New Experimental Hall of the U400R Cyclotron
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S0020441224701835
V. I. Lisov, V. I. Bass, I. A. Ivanenko, I. V. Kalagin, N. Yu. Kazarinov, A. S. Zabanov
{"title":"Beam Lines for the New Experimental Hall of the U400R Cyclotron","authors":"V. I. Lisov,&nbsp;V. I. Bass,&nbsp;I. A. Ivanenko,&nbsp;I. V. Kalagin,&nbsp;N. Yu. Kazarinov,&nbsp;A. S. Zabanov","doi":"10.1134/S0020441224701835","DOIUrl":"10.1134/S0020441224701835","url":null,"abstract":"<p>A new scheme of ion transport lines from the U400R cyclotron to a new experimental hall is presented. The channels include a switching magnet with an induction of an alternating magnetic field of up to 1.3 T, which allows operation in three directions, thus providing the transport of ions through channels to three experimental installations. Beams are focused in the channels by a set of quadrupole lenses having gradients of up to 7.7 T/m.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S183 - S190"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594720","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
Superconducting Wiggler with a Field of 2.7 T and a Period of 27 mm for the “Fast Processes” Station at the SKIF Source
IF 0.4 4区 工程技术
Instruments and Experimental Techniques Pub Date : 2025-03-11 DOI: 10.1134/S0020441224701896
A. A. Sedov, A. V. Bragin, A. A. Volkov, A. I. Erokhin, A. V. Zorin, F. P. Kazantsev, P. V. Kanonik, N. A. Mezentsev, A. N. Safronov, O. A. Tarasenko, S. V. Khrushchev, V. M. Tsukanov, V. A. Shkaruba
{"title":"Superconducting Wiggler with a Field of 2.7 T and a Period of 27 mm for the “Fast Processes” Station at the SKIF Source","authors":"A. A. Sedov,&nbsp;A. V. Bragin,&nbsp;A. A. Volkov,&nbsp;A. I. Erokhin,&nbsp;A. V. Zorin,&nbsp;F. P. Kazantsev,&nbsp;P. V. Kanonik,&nbsp;N. A. Mezentsev,&nbsp;A. N. Safronov,&nbsp;O. A. Tarasenko,&nbsp;S. V. Khrushchev,&nbsp;V. M. Tsukanov,&nbsp;V. A. Shkaruba","doi":"10.1134/S0020441224701896","DOIUrl":"10.1134/S0020441224701896","url":null,"abstract":"<p>For stations one to three “Fast processes” of the SKIF synchrotron radiation source under construction, an insertion device is required that generates photons with energies up to 70 keV and has a maximum radiation flux at an energy of 35 keV. A superconducting wiggler with a period of 27 mm, a field of 2.7 T, and gap of 7 mm satisfies these requirements. This article presents the main characteristics and design features of the magnetic and cryogenic systems of this insertion device. Theoretical calculations of the parameters of the magnetic system, as well as the parameters of radiation from the insertion device, are described. The influence of the wiggler on the dynamics of the electron beam in the storage ring has been assessed. The results of measurements of the magnetic field of the wiggler prototype are presented.</p>","PeriodicalId":587,"journal":{"name":"Instruments and Experimental Techniques","volume":"67 2 supplement","pages":"S293 - S299"},"PeriodicalIF":0.4,"publicationDate":"2025-03-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143594772","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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