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Determining Time and Energy Parameters of the Electron Beam of a High-Current Pulse Gun 大电流脉冲枪电子束时间和能量参数的确定
IF 0.5
Physics of Particles and Nuclei Letters Pub Date : 2023-08-08 DOI: 10.1134/S1547477123040222
A. A. Drozdovsky, S. A. Drozdovsky, A. V. Kantsyrev, S. M. Savin, V. A. Volkov, V. A. Panyushkin, A. O. Khurchiev
{"title":"Determining Time and Energy Parameters of the Electron Beam of a High-Current Pulse Gun","authors":"A. A. Drozdovsky,&nbsp;S. A. Drozdovsky,&nbsp;A. V. Kantsyrev,&nbsp;S. M. Savin,&nbsp;V. A. Volkov,&nbsp;V. A. Panyushkin,&nbsp;A. O. Khurchiev","doi":"10.1134/S1547477123040222","DOIUrl":"10.1134/S1547477123040222","url":null,"abstract":"<p>The object of study is an electron gun with a desorption slit cathode and the Lewis pulse transformer at a voltage reaching 300 kV. The beam current and the input transformer voltage are measured in each pulse of the gun. By solving the equations describing the electrical circuit of the electron gun, spectral characteristics of the electron beam corresponding to the specific electrical parameters of the gun are obtained. Measurements using a magnetic spectrometer showed satisfactory agreement of the energy characteristics obtained during calculations and direct measurements.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"20 4","pages":"745 - 749"},"PeriodicalIF":0.5,"publicationDate":"2023-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4327424","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
Fetal Organ Dose Assessment during Chest CT Examination Using Monte Carlo/Gate Simulation 利用蒙特卡罗/门模拟评估胸部CT检查中的胎儿器官剂量
IF 0.5
Physics of Particles and Nuclei Letters Pub Date : 2023-08-08 DOI: 10.1134/S1547477123040088
Y. Benameur, M. Tahiri, M. Mkimel, R. El Baydaoui, B. El Hariri, M.R. Mesradi, A. Hilali, E. Saad
{"title":"Fetal Organ Dose Assessment during Chest CT Examination Using Monte Carlo/Gate Simulation","authors":"Y. Benameur,&nbsp;M. Tahiri,&nbsp;M. Mkimel,&nbsp;R. El Baydaoui,&nbsp;B. El Hariri,&nbsp;M.R. Mesradi,&nbsp;A. Hilali,&nbsp;E. Saad","doi":"10.1134/S1547477123040088","DOIUrl":"10.1134/S1547477123040088","url":null,"abstract":"<p>A CT scan of a pregnant patient is often a source of distress for the patient and staff. In addition, patients are usually worried about the risk of unfavorable effects on the fetus from radiation. Therefore, assessing radiation dose and related risks to the fetus and pregnant patient is an important aspect of radiation protection. The aim of this study is to estimate the fetal organ and effective dose during a chest CT protocol for a pregnant patient. For this purpose, we model the SOMATOM EMOTION 16 CT (Siemens Medical Solutions, Erlangen, Germany) and the pregnant patient using GATE code. The CT scanner is modelled based on the data provided by the supplier, operating at 80, 110 and 130 kV and 0.5–1.5 for the pitch, regarding the patient, she is modelled with a voxelized pregnant phantom (KATJA, 29 yr old) at the 24th week. Fetal effective doses are estimated to be 0.8, 1.7 and 2.4 mSv for 80, 110 and 130 kV, respectively. When the energy is decreased from 130 to 80 kV, the dose to the fetal organs in the heart and lenses is reduced by 64.3 and 64.6%. Moreover, the fetus organ dose is reduced by 21.5, 19.2, 30.0 and 17.6% for crane, eyes, heart and brain for a pitch ranging from 0.5 to 1.5. Since the cumulative dose to the fetus does not exceed 100 mGy, the doses to the fetus are considered acceptable.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"20 4","pages":"690 - 698"},"PeriodicalIF":0.5,"publicationDate":"2023-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4328946","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
Quality Assurance Test System for Assembly of STS Modules for the BM@N Experiment BM@N实验STS模块装配质量保证测试系统
IF 0.5
Physics of Particles and Nuclei Letters Pub Date : 2023-08-08 DOI: 10.1134/S1547477123040593
A. Sheremetev, A. Kolozhvari, D. Dementev, M. Shitenkov, Yu. Murin
{"title":"Quality Assurance Test System for Assembly of STS Modules for the BM@N Experiment","authors":"A. Sheremetev,&nbsp;A. Kolozhvari,&nbsp;D. Dementev,&nbsp;M. Shitenkov,&nbsp;Yu. Murin","doi":"10.1134/S1547477123040593","DOIUrl":"10.1134/S1547477123040593","url":null,"abstract":"<p>The Silicon Tracking System (STS) of the BM@N experiment will be based on modules with Double-Sided microstrip Silicon Detectors (DSSD) which have been initially developed for the CBM experiment at FAIR. Each module consists of a DSSD, two front-end boards with 8 ASICs each, and a set of low-mass aluminum microcables. During the module assembly the microcables are tab-bonded to the sensor and readout ASICs. The module has 1024 channels on each side of the sensor. For the quality assurance of the ultrasonic bonding process a dedicated procedure based on the noise per channel measurements with a Pogo Pin test device was developed.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"20 4","pages":"613 - 618"},"PeriodicalIF":0.5,"publicationDate":"2023-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1134/S1547477123040593.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4328948","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
NICA Beamlines and Stations for Applied Research 用于应用研究的NICA波束线和站
IF 0.5
Physics of Particles and Nuclei Letters Pub Date : 2023-08-08 DOI: 10.1134/S1547477123040271
G. A. Filatov, A. A. Slivin, E. M. Syresin, A. V Butenko, A. S. Vorozhtsov, A. V. Agapov, K. N. Shipulin, S. Yu. Kolesnikov, A. R. Galimov, A. M. Tikhomirov, V. I. Tyulkin, D. E. Donets, D. S. Letkin, D. O. Leushin, A. V. Tuzikov, A. A. Baldin, D. S. Korovkin, G. N. Timoshenko, T. V. Kulevoy, Y. E. Titarenko, D. V. Bobrovskiy, A. I. Chumakov, S. A. Soloviev, A. S. Kubankin, D. G. Firsov, Yu. S. Kubankin, P. N Chernykh, S. V. Osipov, E. G. Serenkov, S. A. Chetverikov
{"title":"NICA Beamlines and Stations for Applied Research","authors":"G. A. Filatov,&nbsp;A. A. Slivin,&nbsp;E. M. Syresin,&nbsp;A. V Butenko,&nbsp;A. S. Vorozhtsov,&nbsp;A. V. Agapov,&nbsp;K. N. Shipulin,&nbsp;S. Yu. Kolesnikov,&nbsp;A. R. Galimov,&nbsp;A. M. Tikhomirov,&nbsp;V. I. Tyulkin,&nbsp;D. E. Donets,&nbsp;D. S. Letkin,&nbsp;D. O. Leushin,&nbsp;A. V. Tuzikov,&nbsp;A. A. Baldin,&nbsp;D. S. Korovkin,&nbsp;G. N. Timoshenko,&nbsp;T. V. Kulevoy,&nbsp;Y. E. Titarenko,&nbsp;D. V. Bobrovskiy,&nbsp;A. I. Chumakov,&nbsp;S. A. Soloviev,&nbsp;A. S. Kubankin,&nbsp;D. G. Firsov,&nbsp;Yu. S. Kubankin,&nbsp;P. N Chernykh,&nbsp;S. V. Osipov,&nbsp;E. G. Serenkov,&nbsp;S. A. Chetverikov","doi":"10.1134/S1547477123040271","DOIUrl":"10.1134/S1547477123040271","url":null,"abstract":"<p>The NICA accelerator complex includes beam transfer lines and stations for applied research. The first commissioning of the Station of Chip Irradiation (SOCHI) was performed at the end of 2021with С<sup>4+</sup> heavy ions extracted from the linear accelerator (HILAC) at an energy of 3.2 MeV/n. The new SOCHI beam transfer line is integrated in the existing HILAC-Booster beamline. The Irradiation Setup for Components of Radioelectronic Apparatus (ISCRA) with ion energy ranging from 150 to 500 MeV/n and the Setup for Investigation of Medical Biological Objects (SIMBO) with the ion energy ranging from 400 to1100 MeV/n are based on the beams extracted from Nuclotron. The equipment of ISCRA and SIMBO stations has been manufactured and is planned to mount in the end of 2022. The beamlines are being designed now. The technical parameters of the beamlines and stations and the results of the first run of the SOCHI station are presented in this study.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"20 4","pages":"767 - 771"},"PeriodicalIF":0.5,"publicationDate":"2023-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4330855","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
Supersymmetrization of the 3-Particle Elliptic Calogero Model 三粒子椭圆Calogero模型的超对称性
IF 0.5
Physics of Particles and Nuclei Letters Pub Date : 2023-08-08 DOI: 10.1134/S154747712304026X
S. A. Fedoruk
{"title":"Supersymmetrization of the 3-Particle Elliptic Calogero Model","authors":"S. A. Fedoruk","doi":"10.1134/S154747712304026X","DOIUrl":"10.1134/S154747712304026X","url":null,"abstract":"<p><span>(mathcal{N})</span> = 2 and <span>(mathcal{N})</span> = 4 supersymmetric generalizations of the 3-particle elliptic Calogero system are proposed. Supersymmetry generators of the system are found in which the center of mass sector is described by the supermultiplet <span>(({mathbf{1}},mathcal{N},mathcal{N} - {mathbf{1}}))</span>, while the sector of relative coordinates is the supermultiplet <span>(({mathbf{2}},mathcal{N},mathcal{N} - {mathbf{2}}))</span>. The <span>(mathcal{N})</span> = 2 model with three supermultiplets <span>(({mathbf{1}},{mathbf{2}},{mathbf{1}}))</span> is also presented.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"20 4","pages":"560 - 564"},"PeriodicalIF":0.5,"publicationDate":"2023-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4331488","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
Main Part of Proton Therapy Linac 质子治疗直线加速器的主要部分
IF 0.5
Physics of Particles and Nuclei Letters Pub Date : 2023-08-08 DOI: 10.1134/S1547477123040544
V. V. Paramonov, A. P. Durkin, A. A. Kolomiets, A. S. Kurilik, L. Yu. Ovchinnikova
{"title":"Main Part of Proton Therapy Linac","authors":"V. V. Paramonov,&nbsp;A. P. Durkin,&nbsp;A. A. Kolomiets,&nbsp;A. S. Kurilik,&nbsp;L. Yu. Ovchinnikova","doi":"10.1134/S1547477123040544","DOIUrl":"10.1134/S1547477123040544","url":null,"abstract":"<p>The main part (MP) of a compact pulsed proton linac is designed to accelerate a beam with a pulsed current reaching 2.5 mA to an output energy controlled in the range from 60 to 230 MeV while maintaining small transverse beam dimensions. The traveling wave accelerating structure is used in the <i>S</i>-band frequency range. It provides a high accelerating rate and allows one to adjust the output energy of the bunches within the RF pulse. Particular attention is paid to the balance and reliability of the proposed solutions, accessibility and motivated feasibility of the MP elements.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"20 4","pages":"850 - 853"},"PeriodicalIF":0.5,"publicationDate":"2023-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4332491","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: 1
Investigation into the Operation Modes of RF Systems of Booster–Nuclotron Synchrotrons in Optimizing the Capture and Acceleration of Carbon Ion Beams 助推核同步加速器射频系统在优化碳离子束捕获和加速中的工作模式研究
IF 0.5
Physics of Particles and Nuclei Letters Pub Date : 2023-08-08 DOI: 10.1134/S1547477123040143
O. I. Brovko, A. A. Volodin, A. Yu. Grebentsov, O. V. Prozorov, E. M. Syresin, A.O. Sidorin
{"title":"Investigation into the Operation Modes of RF Systems of Booster–Nuclotron Synchrotrons in Optimizing the Capture and Acceleration of Carbon Ion Beams","authors":"O. I. Brovko,&nbsp;A. A. Volodin,&nbsp;A. Yu. Grebentsov,&nbsp;O. V. Prozorov,&nbsp;E. M. Syresin,&nbsp;A.O. Sidorin","doi":"10.1134/S1547477123040143","DOIUrl":"10.1134/S1547477123040143","url":null,"abstract":"<p>This paper describes experiments with the main parameters of the RF accelerating systems of the Booster and the Nuclotron of the Nuclotron based Ion Collider fAcility (NICA) complex, which affect the capture and acceleration, as well as the additional hardware solutions used in this case. The operating modes of accelerating stations of the Booster and the Nuclotron are considered. In particular, the paper describes the principle of formation of the law of the change in the amplitude of the accelerating voltage during the adiabatic capture of particles both in the Booster and in the Nuclotron, as well as the features of setting the sequence of synchronization pulses.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"20 4","pages":"650 - 655"},"PeriodicalIF":0.5,"publicationDate":"2023-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4330863","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
Cryogenic Target Complex of the FAIR Accelerator and Prospects for Its Development FAIR加速器的低温靶配合物及其发展前景
IF 0.5
Physics of Particles and Nuclei Letters Pub Date : 2023-08-08 DOI: 10.1134/S1547477123040155
A. V. Bukharov, M. A. Bukharova, E. V. Vishnevsky
{"title":"Cryogenic Target Complex of the FAIR Accelerator and Prospects for Its Development","authors":"A. V. Bukharov,&nbsp;M. A. Bukharova,&nbsp;E. V. Vishnevsky","doi":"10.1134/S1547477123040155","DOIUrl":"10.1134/S1547477123040155","url":null,"abstract":"<p>The FAIR-PANDA target complex is currently based on two types of targets, a cluster cryogenic target and a cryogenic monodisperse target. Both types of targets in experiments with hydrogen and its isotopes, as well as in experiments with heavier gases, are able to provide a required density of matter at the point of interaction with a beam. The advantages of a cryogenic monodisperse target are the possibility of operation in both the high resolution (PTR) and high luminosity (PTH) modes, the absence of leakage into the interaction chamber, and the possibility of a precise reconstruction for the process of interaction with a beam. These advantages, in our opinion, make this target more promising for the PANDA physical programs. The important goals attained as a result of studies on the prospects for the further development of monodisperse targets are as follows: the possibility of creating high-speed monodisperse targets of small diameter from different cryogenic liquids with a speed of target introduction into a beam &gt;100 m/s alongside supercold cryogenic targets has been shown.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"20 4","pages":"714 - 719"},"PeriodicalIF":0.5,"publicationDate":"2023-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4330864","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
(Qbar {Q}) ((Q in { b,c} )) Spectroscopy Using the Modified Rovibrational Model (Qbar {Q}) ((Q in { b,c} )) 使用改进的旋转振动模型的光谱学
IF 0.5
Physics of Particles and Nuclei Letters Pub Date : 2023-08-08 DOI: 10.1134/S1547477123040714
Zheng-Yuan Fang, Ya-Rong Wang, Cheng-Qun Pang
{"title":"(Qbar {Q}) ((Q in { b,c} )) Spectroscopy Using the Modified Rovibrational Model","authors":"Zheng-Yuan Fang,&nbsp;Ya-Rong Wang,&nbsp;Cheng-Qun Pang","doi":"10.1134/S1547477123040714","DOIUrl":"10.1134/S1547477123040714","url":null,"abstract":"<p>Mass spectra of quarkonium systems can be described by different phenomenological potentials. In the present work, we explored theoretical analysis methods for energy spectra of diatomic molecules and heavy mesons, the resonance states (<span>(cbar {c})</span> and <span>(bbar {b})</span>) of heavy quarkonium were considered the rovibrational states. A parameterized rovibrational model was derived from the empirical solution of the nonrelativistic Schrödinger equation with Morse potential. The corrections were composed of color hyperfine interaction and spin-orbit interaction of mesons. The high excited state mass spectra of charmonium and bottomonium were obtained after comparing the results with the present experimental data in a fair manner. Our calculations show that the modified rovibrational model can be used in the meson system of quark and anti-quark, thereby proving to be useful for the interpretation of excited hadron spectra.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"20 4","pages":"589 - 597"},"PeriodicalIF":0.5,"publicationDate":"2023-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4326404","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
Influence of a Magnetic Field on the Gifford-McMahon Cryocooler of the Liquid Hydrogen Target at the BM@N Facility 磁场对BM@N设施中液氢靶Gifford-McMahon制冷机的影响
IF 0.5
Physics of Particles and Nuclei Letters Pub Date : 2023-08-08 DOI: 10.1134/S1547477123040386
D. I. Klimansky, I. A. Arkharov, M. M. Shandov, S. M. Piyadin
{"title":"Influence of a Magnetic Field on the Gifford-McMahon Cryocooler of the Liquid Hydrogen Target at the BM@N Facility","authors":"D. I. Klimansky,&nbsp;I. A. Arkharov,&nbsp;M. M. Shandov,&nbsp;S. M. Piyadin","doi":"10.1134/S1547477123040386","DOIUrl":"10.1134/S1547477123040386","url":null,"abstract":"<div><div><h3>\u0000 <b>Abstract</b>—</h3><p>To study collision processes of nuclei in the extracted beams of heavy ions of the NICA accelerator complex at the BM@N physical facility, a target with liquid hydrogen is needed. One important requirement for the experiment is the placement of the target directly on the boundary of the region of a uniform magnetic field of 1 T of the analyzing magnet SP-41. In connection with this requirement, a number of restrictions arise related to the operation of the GM cryocooler and systems of the cryogenic target in a magnetic field, as well as the effect of the elements of the target itself on the field uniformity. This paper provides a brief review of the literature on this issue and presents its own research on these issues: calculations and forecasts and options and methods for solving problems.</p></div></div>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"20 4","pages":"800 - 803"},"PeriodicalIF":0.5,"publicationDate":"2023-08-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"4330854","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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