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Tuning the Magnetic Structure of VEPP-5 Damping Ring VEPP-5阻尼环磁性结构的调谐
IF 0.4
Physics of Particles and Nuclei Letters Pub Date : 2025-08-11 DOI: 10.1134/S1547477125700463
R. Z. Mamutov, G. N. Baranov, V. V. Balakin
{"title":"Tuning the Magnetic Structure of VEPP-5 Damping Ring","authors":"R. Z. Mamutov,&nbsp;G. N. Baranov,&nbsp;V. V. Balakin","doi":"10.1134/S1547477125700463","DOIUrl":"10.1134/S1547477125700463","url":null,"abstract":"<p>The results of the magnetic structure correction for the VEPP-5 damping ring are presented. A new target model of the ring with a working tune point different from the old model is prepared. The optics were corrected to match the new structure, and a calibrated model of the ring is obtained. The horizontal orbit in the BPMs was corrected, and transverse shifts of the quadrupole lens magnetic axis relative to this orbit are measured.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"727 - 733"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814273","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Experimental Study and Quantitative Analysis of the Stability of Physical Parameters of the Scanning Beam Delivery System in a Proton Therapy Facility 质子治疗装置扫描光束输送系统物理参数稳定性的实验研究与定量分析
IF 0.4
Physics of Particles and Nuclei Letters Pub Date : 2025-08-11 DOI: 10.1134/S1547477125700414
V. A. Kiselev, A. P. Chernyaev, Yu. D. Udalov, M. A. Belikhin, A. M. Demidova, S. E. Gritsenko
{"title":"Experimental Study and Quantitative Analysis of the Stability of Physical Parameters of the Scanning Beam Delivery System in a Proton Therapy Facility","authors":"V. A. Kiselev,&nbsp;A. P. Chernyaev,&nbsp;Yu. D. Udalov,&nbsp;M. A. Belikhin,&nbsp;A. M. Demidova,&nbsp;S. E. Gritsenko","doi":"10.1134/S1547477125700414","DOIUrl":"10.1134/S1547477125700414","url":null,"abstract":"<p>We present the results of a quantitative study of inaccuracies in beam delivery by a proton therapy system, which were used to determine the planned amount of irradiation. A technique for measuring and analyzing the physical parameters of a proton beam is described. Calculated is the minimum deviation from the clinical treatment volume required to ensure its coverage with the prescribed dose, taking into account beam delivery errors by a proton therapy system; sufficiency of the calculated deviation is assessed. The results of the study make it possible to optimize the determination of the planned irradiation amount in proton therapy.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"704 - 708"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814421","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Dynamic Aperture Simulation for Synchrotron with Electron Cooling 电子冷却同步加速器的动态孔径模拟
IF 0.4
Physics of Particles and Nuclei Letters Pub Date : 2025-08-11 DOI: 10.1134/S1547477125700529
D. M. Popov, V. A. Vostrikov, M. F. Blinov
{"title":"Dynamic Aperture Simulation for Synchrotron with Electron Cooling","authors":"D. M. Popov,&nbsp;V. A. Vostrikov,&nbsp;M. F. Blinov","doi":"10.1134/S1547477125700529","DOIUrl":"10.1134/S1547477125700529","url":null,"abstract":"<p>Sextupole lenses used for chromatic aberration correction can excite nonlinear resonances that limit the dynamic aperture. It is also necessary to take into account the effect of betatron coupling excited by the solenoid of the cooling section. This paper presents the results of a study of the dynamic aperture of the booster synchrotron being developed at the Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences (BINP SB RAS). Optimal working points for different accelerator operating modes have been determined. Frequency map analysis has been performed to study the regularity of trajectories in the accelerator aperture.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"759 - 763"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814495","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
System for Monitoring Synchrotron Oscillations 同步加速器振荡监测系统
IF 0.4
Physics of Particles and Nuclei Letters Pub Date : 2025-08-11 DOI: 10.1134/S1547477125700633
A. A. Troitsky, A. A. Volodin, F. N. Ganyushkin
{"title":"System for Monitoring Synchrotron Oscillations","authors":"A. A. Troitsky,&nbsp;A. A. Volodin,&nbsp;F. N. Ganyushkin","doi":"10.1134/S1547477125700633","DOIUrl":"10.1134/S1547477125700633","url":null,"abstract":"<p>Reasons for the increase of longitudinal emittance in Booster, which appeared in the fourth commissioning session, are considered, and an effective diagnostic method is proposed. Specific features of the proposed method and the hardware and software solutions used are analyzed.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"811 - 816"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pulsation Suppression System for Current Sources of Corrective Lenses 校正透镜电流源脉动抑制系统
IF 0.4
Physics of Particles and Nuclei Letters Pub Date : 2025-08-11 DOI: 10.1134/S1547477125700487
N. A. Voroshilov, E. V. Gorbachev, N. I. Lebedev, D. V. Monakhov
{"title":"Pulsation Suppression System for Current Sources of Corrective Lenses","authors":"N. A. Voroshilov,&nbsp;E. V. Gorbachev,&nbsp;N. I. Lebedev,&nbsp;D. V. Monakhov","doi":"10.1134/S1547477125700487","DOIUrl":"10.1134/S1547477125700487","url":null,"abstract":"<p>EVPU PS 140-8 current sources are used to power the correction magnets of the Booster accelerator. IT-M3900D-10-170 current sources are used to power the corrective lenses of collider rings. When operating at low currents with an inductive load (5 mH), current pulsations with an amplitude of 500 mA appear at the output of current sources, which interfere with the adjustment of the beam orbit. To solve the problem of current pulsations of IT-M3900D-10-170, an electronic unit has been developed that solves problems such as suppressing current pulsation, current polarity reversal, energy evacuation in the event of a corrective magnet leaving the superconductivity mode, and emergency shutdown in the case of overheating of transistor assemblies. To solve the problem of current pulsations for EVPU PS 140-8, an electronic device has been developed that is an assembly of high-power Schottky diodes.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"740 - 743"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Using Artificial Intelligence in Cyclotron Design 人工智能在回旋加速器设计中的应用
IF 0.4
Physics of Particles and Nuclei Letters Pub Date : 2025-08-11 DOI: 10.1134/S1547477125700396
O. V. Karamyshev, I. D. Lyapin, T. V. Karamysheva, M. A. Shuravin
{"title":"Using Artificial Intelligence in Cyclotron Design","authors":"O. V. Karamyshev,&nbsp;I. D. Lyapin,&nbsp;T. V. Karamysheva,&nbsp;M. A. Shuravin","doi":"10.1134/S1547477125700396","DOIUrl":"10.1134/S1547477125700396","url":null,"abstract":"<p>In cyclotron development, a large number of calculations are required for both individual accelerator systems and particle motion dynamics. Artificial intelligence (AI) can contribute to increasing the speed of calculations, optimizing the codes, and improving the quality of the results. The initial results of using machine learning (ML) for magnetic field formation are presented, and the potential applications of computer vision and AI prospects for optimizing beam motion are analyzed.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"690 - 698"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814272","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Magnet Power Supply System for the SRF “SKIF” Storage Ring 用于SRF“SKIF”存储环的磁体供电系统
IF 0.4
Physics of Particles and Nuclei Letters Pub Date : 2025-08-11 DOI: 10.1134/S1547477125700268
O. V. Belikov, Yu. S. Aktershev, K. M. Gorchakov, S. M. Gurov, M. S. Dmitriev, V. A. Dokutovich, S. E. Karnaev, A. A. Morsin, D. N. Pureskin, D. V. Sen’kov, S. V. Sinyatkin, A. D. Chernyakin
{"title":"Magnet Power Supply System for the SRF “SKIF” Storage Ring","authors":"O. V. Belikov,&nbsp;Yu. S. Aktershev,&nbsp;K. M. Gorchakov,&nbsp;S. M. Gurov,&nbsp;M. S. Dmitriev,&nbsp;V. A. Dokutovich,&nbsp;S. E. Karnaev,&nbsp;A. A. Morsin,&nbsp;D. N. Pureskin,&nbsp;D. V. Sen’kov,&nbsp;S. V. Sinyatkin,&nbsp;A. D. Chernyakin","doi":"10.1134/S1547477125700268","DOIUrl":"10.1134/S1547477125700268","url":null,"abstract":"<p>The power supply system of the magnets of the injection complex of the SRF “SKIF” includes about 70 DC sources, 3 pulse current generators, and about 100 AC sources. DC sources include five types of precision bipolar and unipolar sources with a maximum output current from 3 to 300 A and a maximum output voltage of 24 V. The maximum output current of pulse generators is from 1.5 to 10 kA, voltage up to 1 kV. AC sources include four types of sources with a maximum output current from 6 to 900 A and a maximum reactive power of 0.5 MW. For reliable operation of the injection complex, it is necessary to ensure the stability of the parameters of the current sources, high reliability of operation, and the fast replacement of failed current sources the sources of the same type. All these current sources have been developed and produced by the Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"631 - 635"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814296","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Consistent Injection of Gas and Electron Beam into Plasma Tube 等离子管内气体和电子束的一致注入
IF 0.4
Physics of Particles and Nuclei Letters Pub Date : 2025-08-11 DOI: 10.1134/S1547477125700293
A. A. Drozdovsky, S. A. Drozdovsky, A. V. Kantsyrev, S. M. Savin, A. L. Sitnikov
{"title":"Consistent Injection of Gas and Electron Beam into Plasma Tube","authors":"A. A. Drozdovsky,&nbsp;S. A. Drozdovsky,&nbsp;A. V. Kantsyrev,&nbsp;S. M. Savin,&nbsp;A. L. Sitnikov","doi":"10.1134/S1547477125700293","DOIUrl":"10.1134/S1547477125700293","url":null,"abstract":"<p>In studying <i>Z</i>-pinch discharges under the effect of intense electron beams, one of the methods for increasing the beam current density in plasma is a pulse gas injection into the discharge tube. We studied the pulsed gas supply into the plasma discharge tube while continuously measuring the gas pressure using a fast-response ionization sensor. The technique developed makes it possible to synchronize filling the experimental volume with gas with injecting the electron beam into the plasma. It is now possible to input a beam with high current density if the electrons are injected before the gas front enters the transport channel, preventing beam scattering and increase in phase volume.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"646 - 649"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Longitudinal Phase Space Tomography at NICA Booster Electron Cooling Experiments NICA助推器电子冷却实验的纵向相空间层析成像
IF 0.4
Physics of Particles and Nuclei Letters Pub Date : 2025-08-11 DOI: 10.1134/S1547477125700657
E. R. Urazov, M. I. Bryzgunov, V. V. Parkhomchuk, V. B. Reva
{"title":"Longitudinal Phase Space Tomography at NICA Booster Electron Cooling Experiments","authors":"E. R. Urazov,&nbsp;M. I. Bryzgunov,&nbsp;V. V. Parkhomchuk,&nbsp;V. B. Reva","doi":"10.1134/S1547477125700657","DOIUrl":"10.1134/S1547477125700657","url":null,"abstract":"<p>For longitudinal diagnostics a fast current transformer (FCT) was used in the xenon ion beam cooling experiments. Applying tomography methods to the FCT data allowed to calculate the ion distributions in longitudinal phase space for different parameters of the electron cooling system.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"821 - 824"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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 Rectangular Pulses in the Power Supply System of the Inflector Plates of the Nuclotron Booster for Multiple Injection 多重注入核中子助推器反射板供电系统中矩形脉冲的形成
IF 0.4
Physics of Particles and Nuclei Letters Pub Date : 2025-08-11 DOI: 10.1134/S1547477125700670
N. I. Lebedev, A. S. Petukhov, A. A. Fateev
{"title":"Formation of Rectangular Pulses in the Power Supply System of the Inflector Plates of the Nuclotron Booster for Multiple Injection","authors":"N. I. Lebedev,&nbsp;A. S. Petukhov,&nbsp;A. A. Fateev","doi":"10.1134/S1547477125700670","DOIUrl":"10.1134/S1547477125700670","url":null,"abstract":"<p>A two-switch version of the power supply circuit for the inflector plates of the Nuclotron Booster is considered. The circuit makes it possible to form rectangular pulses of the deflection field for multiple injection of ion beams. The results of testing the device on an equivalent load are presented.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"22 4","pages":"828 - 832"},"PeriodicalIF":0.4,"publicationDate":"2025-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144814545","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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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