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Monitoring of Amplitude Spectra of Betatron Oscillations in the JINR Booster Synchrotron 监测 JINR 增压同步加速器中的贝塔特伦振荡振幅频谱
IF 0.4
Physics of Particles and Nuclei Letters Pub Date : 2024-10-16 DOI: 10.1134/S1547477124701589
V. M. Zhabitsky
{"title":"Monitoring of Amplitude Spectra of Betatron Oscillations in the JINR Booster Synchrotron","authors":"V. M. Zhabitsky","doi":"10.1134/S1547477124701589","DOIUrl":"10.1134/S1547477124701589","url":null,"abstract":"<p>Methods of processing a digital signal obtained from a four-electrode transverse position sensor of ion bunches during acceleration in a synchrotron are discussed. A technique has been developed for reconstructing the amplitude spectrum of betatron oscillations of an ion bunch in the case of a sensor displacement relative to the initial position determined during calibration. The results obtained are used to reconstruct the amplitude spectrum of betatron oscillations of a bunch after injection of xenon ions into the JINR booster synchrotron.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"21 5","pages":"1060 - 1064"},"PeriodicalIF":0.4,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1134/S1547477124701589.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142438856","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
Dynamical and Statistical Simulations for the Production of Nuclei and Hypernuclei at High Energy Ion Collisions 高能离子对撞中核子和超核子产生的动力学和统计模拟
IF 0.4
Physics of Particles and Nuclei Letters Pub Date : 2024-10-16 DOI: 10.1134/S1547477124701516
N. Buyukcizmeci, Yu. B. Lebed, A. S. Botvina
{"title":"Dynamical and Statistical Simulations for the Production of Nuclei and Hypernuclei at High Energy Ion Collisions","authors":"N. Buyukcizmeci,&nbsp;Yu. B. Lebed,&nbsp;A. S. Botvina","doi":"10.1134/S1547477124701516","DOIUrl":"10.1134/S1547477124701516","url":null,"abstract":"<p>The formation of new nuclei and hypernuclei in heavy-ion collisions at high energies is analysed. We use the hypothesis of local chemical equilibrium in expanding nuclear matter. In this letter, the ultra-relativistic quantum molecular dynamics (UrQMD), the Dubna cascade model (DCM), and statistical multifragmentation model (SMM) are applied for theoretical calculations of nuclei and hypernuclei production. Good agreement with experimental data is obtained within our hybrid approach. Experiments planned for the future at FAIR, NICA, and other accelerators will provide an excellent opportunity for study of nuclei and hot (hyper-)matter.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"21 5","pages":"983 - 986"},"PeriodicalIF":0.4,"publicationDate":"2024-10-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142438860","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
Extended Gravity and Black Hole Shadows: Rotation Accounting 扩展引力与黑洞阴影：旋转核算
IF 0.4
Physics of Particles and Nuclei Letters Pub Date : 2024-08-14 DOI: 10.1134/S154747712470064X
O. I. Zenin, S. O. Alexeyev, A. V. Nemtinova, A. A. Baiderin
{"title":"Extended Gravity and Black Hole Shadows: Rotation Accounting","authors":"O. I. Zenin,&nbsp;S. O. Alexeyev,&nbsp;A. V. Nemtinova,&nbsp;A. A. Baiderin","doi":"10.1134/S154747712470064X","DOIUrl":"10.1134/S154747712470064X","url":null,"abstract":"<p>The first images of the shadows of black holes have opened up new possibilities for testing extended theories of gravity. Using the Newman–Janis method, metrics with rotation for the <span>(R + {{R}^{2}})</span> model with quantum field corrections are obtained. We have shown that not all previously obtained solutions are consistent with the experimental results of the Event Horizon Telescope. So the more accurate variant to select extended theories of gravity based on black hole rotation taking into account is proposed.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"21 4","pages":"581 - 583"},"PeriodicalIF":0.4,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142411710","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
Online Monitoring of the Highly Granular Neutron Time-of-Flight Detector Prototype for the BM@N Experiment BM@N 实验的高颗粒中子飞行时间探测器原型的在线监测
IF 0.4
Physics of Particles and Nuclei Letters Pub Date : 2024-08-14 DOI: 10.1134/S1547477124700985
A. A. Zubankov, S. V. Afanasiev, M. B. Golubeva, F. F. Guber, N. M. Karpushkin, O. V. Kutinova, S. V. Morozov, D. G. Sakulin, A. I. Shabanov, E. V. Sukhov, V. V. Ustinov
{"title":"Online Monitoring of the Highly Granular Neutron Time-of-Flight Detector Prototype for the BM@N Experiment","authors":"A. A. Zubankov,&nbsp;S. V. Afanasiev,&nbsp;M. B. Golubeva,&nbsp;F. F. Guber,&nbsp;N. M. Karpushkin,&nbsp;O. V. Kutinova,&nbsp;S. V. Morozov,&nbsp;D. G. Sakulin,&nbsp;A. I. Shabanov,&nbsp;E. V. Sukhov,&nbsp;V. V. Ustinov","doi":"10.1134/S1547477124700985","DOIUrl":"10.1134/S1547477124700985","url":null,"abstract":"<p>The Highly Granular Neutron Time-of-Flight Detector (HGND) at the BM@N experiment is under development for measuring the energy of neutrons produced in nucleus-nucleus collisions. For the first time, small prototype of the HGND was used in Xe + CsI at 3.0 and 3.8 <i>A</i> GeV run at the BM@N. The online real-time monitoring system recently developed and used for the HGND prototype is discussed.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"21 4","pages":"664 - 667"},"PeriodicalIF":0.4,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142411688","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
Study of the Effect of UV Laser Pulse Duration and Wavelength on Fibroblasts 紫外线激光脉冲持续时间和波长对成纤维细胞影响的研究
IF 0.5
Physics of Particles and Nuclei Letters Pub Date : 2024-08-14 DOI: 10.1134/s1547477124700717
Y. M. Hamdan, D. A. Makarova, N. I. Shamsutdinov, P. V. Zelenikhin, A. S. Nizamutdinov, A. A. Buglak, T. A. Telegina
{"title":"Study of the Effect of UV Laser Pulse Duration and Wavelength on Fibroblasts","authors":"Y. M. Hamdan, D. A. Makarova, N. I. Shamsutdinov, P. V. Zelenikhin, A. S. Nizamutdinov, A. A. Buglak, T. A. Telegina","doi":"10.1134/s1547477124700717","DOIUrl":"https://doi.org/10.1134/s1547477124700717","url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>We report the cytotoxic effect of pulse duration and wavelength of UVB laser radiation from Li(Lu,Y)F<sub>4</sub>:Ce laser on human skin fibroblasts. When performing the MTT test 24 h after irradiation, an increase in the viability parameter was observed. Flow cytometry showed that 80.8 ± 6.9% of cells have a damaged membrane and only 6.2 ± 2.2% reach the stage of late apoptosis, due to which they have the potential to restore the cytoplasmic membrane and subsequently divide.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"30 1","pages":""},"PeriodicalIF":0.5,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142176682","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
The SPD Beam-Beam Counter Scintillation Detector Prototype Tests with FERS-5200 Front-End Readout System 采用 FERS-5200 前端读出系统的 SPD 光束-光束计数器闪烁探测器原型测试
IF 0.4
Physics of Particles and Nuclei Letters Pub Date : 2024-08-14 DOI: 10.1134/S1547477124701188
A. V. Tishevsky, F. A. Dubinin, A. Yu. Isupov, V. P. Ladygin, G. A. Nigmatkulov, S. G. Reznikov, P. E. Teterin, I. S. Volkov, A. M. Zakharov
{"title":"The SPD Beam-Beam Counter Scintillation Detector Prototype Tests with FERS-5200 Front-End Readout System","authors":"A. V. Tishevsky,&nbsp;F. A. Dubinin,&nbsp;A. Yu. Isupov,&nbsp;V. P. Ladygin,&nbsp;G. A. Nigmatkulov,&nbsp;S. G. Reznikov,&nbsp;P. E. Teterin,&nbsp;I. S. Volkov,&nbsp;A. M. Zakharov","doi":"10.1134/S1547477124701188","DOIUrl":"10.1134/S1547477124701188","url":null,"abstract":"<p>The Spin Physics Detector is a collider experiment at NICA designed to study the spin structure of the proton and deuteron and other spin-related phenomena using polarized beams. The collision energy is up to 27 GeV and the luminosity is up to 10<sup>32</sup> cm<sup>–2</sup> s<sup>–1</sup> in pp mode. Two scintillator-based detectors, Beam-Beam Counters (BBC), will be installed upstream and downstream the interaction point and will serve as a tool for beam diagnostics including local polarimetry. The BBCs will be designed as high granularity scintillation detectors. In this paper we present the tests of a BBC prototype based on the tiles with the green wavelength shifter and silicon photomultiplier (SiPM) readout. The prototype was tested with 1 × 1 mm<sup>2</sup> and 3 × 3 mm<sup>2</sup> SensL SiPM using CAEN FERS-5200 front-end readout system. Amplitude and time response to cosmic rays was compared for different tile configurations.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"21 4","pages":"723 - 726"},"PeriodicalIF":0.4,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142176836","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
The Simulation of Interactions in the Straw-Based SPD Track Detector and Primary Vertex Reconstruction 基于稻草的 SPD 轨迹探测器和主顶点重构中的相互作用模拟
IF 0.4
Physics of Particles and Nuclei Letters Pub Date : 2024-08-14 DOI: 10.1134/S154747712470119X
S. D. Morozova, A. V. Shipilova
{"title":"The Simulation of Interactions in the Straw-Based SPD Track Detector and Primary Vertex Reconstruction","authors":"S. D. Morozova,&nbsp;A. V. Shipilova","doi":"10.1134/S154747712470119X","DOIUrl":"10.1134/S154747712470119X","url":null,"abstract":"<p>In this work we simulate the SPD NICA straw tracker detector response in the trigger-less regime using GEANT4 tools. We study the temporal structure of signals and investigate the vertex reconstruction efficiency using the simulation data. We develop a part of prototype software for event reconstruction at the stage of online data filtering.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"21 4","pages":"727 - 730"},"PeriodicalIF":0.4,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142176845","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
Electron Identification with the Electromagnetic Calorimeter and Its Application for Charmonia Studies in the Experiment ALICE3 at the LHC 利用电磁量热计识别电子并将其应用于大型强子对撞机 ALICE3 实验中的魅力研究
IF 0.4
Physics of Particles and Nuclei Letters Pub Date : 2024-08-14 DOI: 10.1134/S1547477124700900
Ye. Hambardzumyan, Yu. Kharlov
{"title":"Electron Identification with the Electromagnetic Calorimeter and Its Application for Charmonia Studies in the Experiment ALICE3 at the LHC","authors":"Ye. Hambardzumyan,&nbsp;Yu. Kharlov","doi":"10.1134/S1547477124700900","DOIUrl":"10.1134/S1547477124700900","url":null,"abstract":"<p>ALICE3 is a next-generation heavy-ion experiment at the LHC, a successor of the ALICE experiment. It opens a high-precision domain to the strongly interacting matter studies. A set of ALICE3 measurements requires electron identification with high efficiency and purity, which will be performed using several complementing experimental techniques. Feasibility of electron identification using electromagnetic calorimeter clusters matched with tracks reconstructed in the central tracker is studied withing the ALICE3 simulation and analysis framework. Electron identification criteria are optimized against efficiency and hadron contamination suppression and applied to charmonium (1P) reconstruction in pp collisions via the <span>({{chi }_{{cJ}}} to J{text{/}}psi + gamma )</span> decay channel. Feasibility to reconstruct the charmonium states in pp collisions at the ALICE3 is discussed.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"21 4","pages":"642 - 645"},"PeriodicalIF":0.4,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142411672","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
Relativistic Description of Asymmetric Fully Heavy Tetraquarks 不对称全重四夸克的相对论描述
IF 0.4
Physics of Particles and Nuclei Letters Pub Date : 2024-08-14 DOI: 10.1134/S1547477124700705
V. O. Galkin, E. M. Savchenko
{"title":"Relativistic Description of Asymmetric Fully Heavy Tetraquarks","authors":"V. O. Galkin,&nbsp;E. M. Savchenko","doi":"10.1134/S1547477124700705","DOIUrl":"10.1134/S1547477124700705","url":null,"abstract":"<p>Masses of the ground and excited states of asymmetric fully heavy tetraquarks with open charm and/or bottom are calculated within the relativistic quark model, based on the quasipotential approach and QCD, and diquark-antidiquark picture of tetraquarks. The relativistic diquark-antidiquark interaction quasipotential takes into account the internal structure of the diquark and all spin-dependent and spin-independent relativistic corrections. It is shown, that there is a significant mixing between the asymmetric in flavor states of tetraquarks with the same total momentum-parity (<span>({{J}^{P}})</span>), but different full spins of the tetraquark (<span>(S)</span>) within the same excitation. The calculated masses of such tetraquarks are compared with the fall-apart decay thresholds into a pair of heavy mesons. The states that could be observed as narrow resonances are determined.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"21 4","pages":"597 - 600"},"PeriodicalIF":0.4,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142411684","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
Accretion in a Hybrid Metric-Palatini f(R)-Gravity onto Spherically Symmetric Black Holes 球形对称黑洞的混合公设-帕拉蒂尼 f(R)- 引力中的吸积现象
IF 0.4
Physics of Particles and Nuclei Letters Pub Date : 2024-08-14 DOI: 10.1134/S1547477124700584
N. A. Avdeev, P. I. Dyadina
{"title":"Accretion in a Hybrid Metric-Palatini f(R)-Gravity onto Spherically Symmetric Black Holes","authors":"N. A. Avdeev,&nbsp;P. I. Dyadina","doi":"10.1134/S1547477124700584","DOIUrl":"10.1134/S1547477124700584","url":null,"abstract":"<p>In this work, accretion onto spherically symmetric black hole in hybrid metric-Palatini <span>(f(R))</span>-gravity was studied within the framework of the Novikov–Thorn model. The average energy flux from the disk surface was numerically obtained for two cases: <span>(V = 0)</span> and <span>(V = - frac{{{{mu }^{2}}}}{2}{{phi }^{2}} + frac{zeta }{4}{{phi }^{4}})</span>. We also note that in each considered case, the prediction of the theory for this quantity are compared with similar result for the Schwarzschild black hole.</p>","PeriodicalId":730,"journal":{"name":"Physics of Particles and Nuclei Letters","volume":"21 4","pages":"561 - 563"},"PeriodicalIF":0.4,"publicationDate":"2024-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142411760","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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