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Prospects for Searching for Ultra-High Energy Gamma-Quanta at Russian Installations 在俄罗斯设施寻找超高能量伽玛量子的前景
IF 0.6 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2025-05-20 DOI: 10.1134/S1063779624701557
L. A. Kuzmichev
{"title":"Prospects for Searching for Ultra-High Energy Gamma-Quanta at Russian Installations","authors":"L. A. Kuzmichev","doi":"10.1134/S1063779624701557","DOIUrl":"10.1134/S1063779624701557","url":null,"abstract":"<p>The review is devoted to ultrahigh-energy gamma-ray astronomy, a branch of gamma-ray astronomy that studies photons with energies higher than 100 TeV. Gamma quanta of such energies can be generated in sources that accelerate protons and electrons to energies above 1 PeV. Such sources are commonly called PeVatrons, the study of which is important for understanding the origin of cosmic rays. The article briefly discusses possible galactic PeVatrons, research methods, setups, and results in the field of ultrahigh-energy gamma-ray astronomy. The second part of the article is devoted to the history, results and prospects of Russian installations in the region of ultrahigh energy gamma-ray astronomy.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"297 - 309"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100293","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","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 ϕ(1020) Parameters in the ({{e}^{ + }}{{e}^{ - }} to {{K}_{S}}{{K}_{L}}) Reaction ({{e}^{ + }}{{e}^{ - }} to {{K}_{S}}{{K}_{L}})反应中φ(1020)参数的测量
IF 0.6 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2025-05-20 DOI: 10.1134/S1063779624701715
V. P. Druzhinin, M. N. Achasov, A. Yu. Barnyakov, K. I. Beloborodov, A. V. Berdyugin, A. G. Bogdanchikov, A. A. Botov, T. V. Dimova, L. V. Kardapoltsev, A. G. Kharlamov, A. A. Korol, D. P. Kovrizhin, A. P. Krukov, A. S. Kupich, N. A. Melnikova, N. Yu. Muchnoi, A. E. Obrazovsky, E. V. Pakhtusova, K. V. Pugachev, S. I. Serednyakov, D. A. Shtol, Z. K. Silagadze, I. K. Surin, Yu. V. Usov, V. N. Zabin
{"title":"Measurement of ϕ(1020) Parameters in the ({{e}^{ + }}{{e}^{ - }} to {{K}_{S}}{{K}_{L}}) Reaction","authors":"V. P. Druzhinin,&nbsp;M. N. Achasov,&nbsp;A. Yu. Barnyakov,&nbsp;K. I. Beloborodov,&nbsp;A. V. Berdyugin,&nbsp;A. G. Bogdanchikov,&nbsp;A. A. Botov,&nbsp;T. V. Dimova,&nbsp;L. V. Kardapoltsev,&nbsp;A. G. Kharlamov,&nbsp;A. A. Korol,&nbsp;D. P. Kovrizhin,&nbsp;A. P. Krukov,&nbsp;A. S. Kupich,&nbsp;N. A. Melnikova,&nbsp;N. Yu. Muchnoi,&nbsp;A. E. Obrazovsky,&nbsp;E. V. Pakhtusova,&nbsp;K. V. Pugachev,&nbsp;S. I. Serednyakov,&nbsp;D. A. Shtol,&nbsp;Z. K. Silagadze,&nbsp;I. K. Surin,&nbsp;Yu. V. Usov,&nbsp;V. N. Zabin","doi":"10.1134/S1063779624701715","DOIUrl":"10.1134/S1063779624701715","url":null,"abstract":"<p>The <span>({{e}^{ + }}{{e}^{ - }} to {{K}_{S}}{{K}_{L}})</span> cross section is measured in the center-of-mass energy range from 1000 to 1100 MeV in the experiment with the SND detector at the VEPP-2000 collider. The <span>(phi (1020))</span> mass and width and the product of the branching fractions <span>(B(phi to {{K}_{S}}{{K}_{L}})B(phi to {{e}^{ + }}{{e}^{ - }}))</span> are determined from the fit to the measured cross section in the vector meson dominance model.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"405 - 411"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Anomalous Transport and Hydro-Gravity Duality 异常输运和重力对偶性
IF 0.6 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2025-05-20 DOI: 10.1134/S1063779624701533
V. I. Zakharov, O. V. Teryaev, G. Yu. Prokhorov
{"title":"Anomalous Transport and Hydro-Gravity Duality","authors":"V. I. Zakharov,&nbsp;O. V. Teryaev,&nbsp;G. Yu. Prokhorov","doi":"10.1134/S1063779624701533","DOIUrl":"10.1134/S1063779624701533","url":null,"abstract":"<p>By anomalous transport one understands transport driven by the chiral anomalies of quantum field theory (QFT). In our case it is mostly axial current in hydrodynamical set up. The notion of duality assumes existence of two different theories whose predictions for a certain class of observables coincide with each other. In our case the observables are matrix elements of external probes, such as energy-momentum tensor or axial current, as functions of acceleration and angular velocity of the medium. Two approaches to evaluate these observables are provided by thermodynamics and by theory of motion in external gravitational fields. The corresponding duality was introduced by the authors in the year 2019. We reiterate the basic points of the argumentation and highlight new points brought in by later development.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"281 - 287"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","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 ({{e}^{ + }}{{e}^{ - }} to K_{S}^{0}{{K}^{ pm }}{{pi }^{ mp }}) Process with the CMD-3 Detector 用CMD-3检测器研究({{e}^{ + }}{{e}^{ - }} to K_{S}^{0}{{K}^{ pm }}{{pi }^{ mp }})过程
IF 0.6 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2025-05-20 DOI: 10.1134/S1063779624701752
G. V. Fedotovich, A. A. Uskov, S. S. Gribanov
{"title":"Study of the ({{e}^{ + }}{{e}^{ - }} to K_{S}^{0}{{K}^{ pm }}{{pi }^{ mp }}) Process with the CMD-3 Detector","authors":"G. V. Fedotovich,&nbsp;A. A. Uskov,&nbsp;S. S. Gribanov","doi":"10.1134/S1063779624701752","DOIUrl":"10.1134/S1063779624701752","url":null,"abstract":"<p>The results of the cross section measurement of the process <span>({{e}^{ + }}{{e}^{ - }} to K_{S}^{0}{{K}^{ pm }}{{pi }^{ mp }})</span> at <span>({{e}^{ + }}{{e}^{ - }})</span> collider VEPP-2000 are presented. The analysis is based on the 115.4 pb<sup>–1</sup> integrated luminosity accumulated by the CMD-3 detector during several runs with energy scan. The cross section was approximated in the frame of the VMD model, using isospin algebra to obtain the resonance parameters for the isoscalar <span>(phi (1680))</span> and isovector <span>(rho (1450))</span> mesons. The data of the process <span>({{e}^{ + }}{{e}^{ - }} to K_{S}^{0}{{K}^{ pm }}{{pi }^{ mp }})</span> were also used to estimate hadronic contribution to <span>({{(g - 2)}_{mu }})</span> of muon: <span>((0.86 pm {{0.01}_{{{text{stat}}}}} pm {{0.04}_{{{text{syst}}}}}) times {{10}^{{ - 10}}})</span>.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"434 - 439"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100389","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Gribov Copy Effects in the Maximal Abelian Gauge 最大阿贝尔规范中的Gribov复制效应
IF 0.6 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2025-05-20 DOI: 10.1134/S1063779624701478
I. E. Kudrov, V. G. Bornyakov
{"title":"Gribov Copy Effects in the Maximal Abelian Gauge","authors":"I. E. Kudrov,&nbsp;V. G. Bornyakov","doi":"10.1134/S1063779624701478","DOIUrl":"10.1134/S1063779624701478","url":null,"abstract":"<p>We study Gribov copy effects of in the maximal Abelian gauge in <span>(SU(3))</span> lattice gluodynamics. We confirm earlier results that, with effective gauge fixing algorithm, one finds Gribov copies of the maximal Abelian gauge which produce about 90% of the non-Abelian string tension after Abelian projection. At the same time, using a much less efficient relaxation algorithm, one finds Gribov copies with improved Abelian dominance for the string tension.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"242 - 246"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100398","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
(mathcal{N} = 2) Supergravity and Harmonic Superspace: Linearized Supercurvatures (mathcal{N} = 2) 超重力与调和超空间：线性化的超曲率
IF 0.6 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2025-05-20 DOI: 10.1134/S106377962470148X
E. A. Ivanov, N. M. Zaigraev
{"title":"(mathcal{N} = 2) Supergravity and Harmonic Superspace: Linearized Supercurvatures","authors":"E. A. Ivanov,&nbsp;N. M. Zaigraev","doi":"10.1134/S106377962470148X","DOIUrl":"10.1134/S106377962470148X","url":null,"abstract":"<p>Using the formulation of <span>(mathcal{N} = 2)</span> supergravity in harmonic superspace, we construct a complete set of linearized supercurvatures that are <span>(mathcal{N} = 2)</span> supersymmetrizations of the scalar curvature, the irreducible part of the Ricci tensor and the self-dual Weyl tensor. Based on these supercurvatures, the total set of quadratic invariants of the linearized <span>(mathcal{N} = 2)</span> supergravity is constructed. Supercurvaturies have a beautiful geometric structure and admit a generalization to higher spins, thereby opening the way towards the construction of a number of <span>(mathcal{N} = 2)</span> supersymmetric cubic interactions of such spins.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"247 - 252"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100399","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Ratios Between Decay Widths of Exotic Doubly Heavy Hadrons in the Diquark Model 奇异双重强子在双夸克模型中的衰变宽度之比
IF 0.6 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2025-05-20 DOI: 10.1134/S1063779624701570
A. A. Dobrynina, A. V. Zinchenko, A. Ya. Parkhomenko
{"title":"Ratios Between Decay Widths of Exotic Doubly Heavy Hadrons in the Diquark Model","authors":"A. A. Dobrynina,&nbsp;A. V. Zinchenko,&nbsp;A. Ya. Parkhomenko","doi":"10.1134/S1063779624701570","DOIUrl":"10.1134/S1063779624701570","url":null,"abstract":"<p>At present, exotic hadrons with hidden charm and beauty, interpreted as tetra- and pentaquarks, have been experimentally discovered. Within the quark-diquark model of hadrons, the dynamics of these resonances is reduced to the interaction of a diquark and antidiquark in tetraquarks and a pair of diquarks and an antiquark in pentaquarks. Within this model, the ratios of the widths of quarkonium decay modes to decays with the production of a pair of hadrons with an open flavor for doubly heavy tetra- and pentaquarks with hidden charm have been obtained and discussed.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"321 - 325"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100171","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Simulation of a Detector Based on Multi-Wire Drift Chambers for Identifying the Muon Component of EAS 基于多线漂移室的EAS介子分量检测仿真
IF 0.6 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2025-05-20 DOI: 10.1134/S1063779624701430
I. Yu. Troshin, E. A. Zadeba, V. S. Vorobev, R. V. Nikolaenko
{"title":"Simulation of a Detector Based on Multi-Wire Drift Chambers for Identifying the Muon Component of EAS","authors":"I. Yu. Troshin,&nbsp;E. A. Zadeba,&nbsp;V. S. Vorobev,&nbsp;R. V. Nikolaenko","doi":"10.1134/S1063779624701430","DOIUrl":"10.1134/S1063779624701430","url":null,"abstract":"<p>A detector based on multiwire drift chambers is being constructed at MEPhI to study the near-vertical muon component of extensive air showers (EAS). To analyze EAS by muons, it is necessary to separate them from secondary particles both in air showers and those born inside the detector. To this end, the detector consists of several layers of drift chambers and a steel absorber. This work is devoted to the analysis of the data of modeling the passage of muons and electrons through the detector in a wide range of energies. The simulation results demonstrate that the use of the proposed detector configuration makes it possible to efficiently separate the muon component of EAS.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"219 - 222"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100179","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Data Acquisition Systems of the Carpet-3 Facility of the BNO INR RAS 印度国防情报局“地毯-3”设施的数据采集系统
IF 0.6 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2025-05-20 DOI: 10.1134/S1063779624701284
V. S. Romanenko, D. D. Dzhappuev, I. M. Dzaparova, T. A. Dzhatdoev, E. A. Gorbacheva, I. S. Karpikov, M. M. Khadzhiev, N. F. Klimenko, A. U. Kudzhaev, A. N. Kurenya, A. S. Lidvansky, O. I. Mikhailova, V. V. Petkov, E. I. Podlesnyi, N. A. Pozdnukhov, G. I. Rubtsov, S. V. Troitsky, I. B. Unatlokov, I. A. Vaiman, N. A. Vasiliev, A. F. Yanin, K. V. Zhuravleva
{"title":"Data Acquisition Systems of the Carpet-3 Facility of the BNO INR RAS","authors":"V. S. Romanenko,&nbsp;D. D. Dzhappuev,&nbsp;I. M. Dzaparova,&nbsp;T. A. Dzhatdoev,&nbsp;E. A. Gorbacheva,&nbsp;I. S. Karpikov,&nbsp;M. M. Khadzhiev,&nbsp;N. F. Klimenko,&nbsp;A. U. Kudzhaev,&nbsp;A. N. Kurenya,&nbsp;A. S. Lidvansky,&nbsp;O. I. Mikhailova,&nbsp;V. V. Petkov,&nbsp;E. I. Podlesnyi,&nbsp;N. A. Pozdnukhov,&nbsp;G. I. Rubtsov,&nbsp;S. V. Troitsky,&nbsp;I. B. Unatlokov,&nbsp;I. A. Vaiman,&nbsp;N. A. Vasiliev,&nbsp;A. F. Yanin,&nbsp;K. V. Zhuravleva","doi":"10.1134/S1063779624701284","DOIUrl":"10.1134/S1063779624701284","url":null,"abstract":"<p>The paper provides a technical description of the Carpet-3 facility of the Baksan Neutrino Observatory, Institute for Nuclear Research, Russian Academy of Sciences, designed for registration extensive air showers (EAS) in a wide range of energies of primary cosmic radiation from 10 TeV to 10 PeV. It consists of a ground-based array of detectors and an underground muon detector, which have data acquisition systems that are synchronized with each other.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"122 - 125"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100244","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Essence of Dark Matter 暗物质的本质
IF 0.6 4区 物理与天体物理
Physics of Particles and Nuclei Pub Date : 2025-05-20 DOI: 10.1134/S1063779624701302
I. B. Pestov
{"title":"Essence of Dark Matter","authors":"I. B. Pestov","doi":"10.1134/S1063779624701302","DOIUrl":"10.1134/S1063779624701302","url":null,"abstract":"<p>Within the framework of the field theory of gravity, a theoretical description of dark matter is conducted. We associate dark matter with a unique generally covariant non-Abelian gauge field, which interacts only with gravitational field and does not interact with spinor field. The electromagnetic field is a singlet state of this gauge field. The mechanism for generating the mass of a generally covariant non-Abelian gauge field is inherent in the field itself and does not require the use of any additional fields. It is shown that the possibilities of observing and using a new energy source are mainly related with generally covariant law of energy conservation that holds in all cases.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"134 - 139"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100246","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"物理与天体物理","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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