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Neutrino Physics: Current State, Anomalies, Prospects 中微子物理学：现状，异常，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/S1063779624701569
Yu. G. Kudenko
{"title":"Neutrino Physics: Current State, Anomalies, Prospects","authors":"Yu. G. Kudenko","doi":"10.1134/S1063779624701569","DOIUrl":"10.1134/S1063779624701569","url":null,"abstract":"<p>The overview of current research in the field of neutrino physics is presented. The current long-baseline accelerator experiments T2K and NOνA and the obtained results from the search for CP violation in neutrino oscillations are considered. The next-generation accelerator experiments DUNE, Hyper-Kamiokande and the expected sensitivity to CP violation and neutrino mass ordering, as well as the JUNO reactor experiment, are briefly discussed. The latest results on measurements of the neutrino mass in the beta decay of tritium, in experiments of search for double neutrinoless decay, as well as the limits on the neutrino mass from cosmological data are presented. In the last section, the status of light sterile neutrinos is discussed.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"310 - 320"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100170","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
Linear and Quadratic Contributions of SMEFT Operators in Processes of Single Top Quark Production SMEFT算子在单顶夸克产生过程中的线性和二次贡献
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/S1063779624701697
E. E. Boos, V. E. Bunichev
{"title":"Linear and Quadratic Contributions of SMEFT Operators in Processes of Single Top Quark Production","authors":"E. E. Boos,&nbsp;V. E. Bunichev","doi":"10.1134/S1063779624701697","DOIUrl":"10.1134/S1063779624701697","url":null,"abstract":"<p>In this work, the triple differential cross section of the complete process of production with subsequent decay of the top quark is expanded on the inverse scale of new physics, taking into account the denominator with the width of the top quark, which depends on the constants of the SMEFT operators. A study was carried out of the influence of linear and quadratic terms of the expansion into the differential section depending on <span>(hat {s})</span>.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"393 - 397"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100383","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
Analysis of Anomalous Events in the TUS Orbital Detector Data us轨道探测器数据中的异常事件分析
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/S1063779624701296
M. V. Lavrova, A. V. Blinova, A. A. Grinyuk, Kh. Karatash, P. A. Klimov, L. G. Tkachev, Ye. Sholtan
{"title":"Analysis of Anomalous Events in the TUS Orbital Detector Data","authors":"M. V. Lavrova,&nbsp;A. V. Blinova,&nbsp;A. A. Grinyuk,&nbsp;Kh. Karatash,&nbsp;P. A. Klimov,&nbsp;L. G. Tkachev,&nbsp;Ye. Sholtan","doi":"10.1134/S1063779624701296","DOIUrl":"10.1134/S1063779624701296","url":null,"abstract":"<p>The main goal of the TUS experiment was to search for and study ultra-high energy cosmic rays with energies <i>E</i> &gt; 70 EeV. The TUS detector registered a number of unusual events, the origin of which is unclear. Events that are unique and not similar to extensive air shower (EAS) are the subject of the study presented in this paper. Events such as gamma-ray bursts (GRBs), out-of-aperture upward going EASs accompanied by lightning flashes, as well as terrestrial gamma-ray flashes (TGFs) are considered as their possible sources.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"126 - 133"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100245","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
Strong Interactions at High Energies: Exploring Outward Horizons 高能强相互作用：探索外视界
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/S1063779624701727
V. A. Petrov
{"title":"Strong Interactions at High Energies: Exploring Outward Horizons","authors":"V. A. Petrov","doi":"10.1134/S1063779624701727","DOIUrl":"10.1134/S1063779624701727","url":null,"abstract":"<p>Summary of evolution of notions of strong interactions from the 1920s to the present day.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"412 - 422"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100386","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
Evolution of a Large Scale Chern–Simons Magnetic Field in Expanding Space with a Negative Scalar Curvature Parameter 具有负标量曲率参数的膨胀空间中大规模chen - simons磁场的演化
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/S106377962470151X
M. S. Dvornikov, P. M. Akhmetiev
{"title":"Evolution of a Large Scale Chern–Simons Magnetic Field in Expanding Space with a Negative Scalar Curvature Parameter","authors":"M. S. Dvornikov,&nbsp;P. M. Akhmetiev","doi":"10.1134/S106377962470151X","DOIUrl":"10.1134/S106377962470151X","url":null,"abstract":"<p>We study the problem of breaking non-Abelian gauge symmetry for solving the Yang–Mills equation in an expanding space with a parameter of negative scalar curvature, which becomes flat at large expansion times and which is called the geodesic flow space of the Lobachevsky plane. We use the following: the physical properties of the magnetic field are related to the Kolmogorov scale, which made it possible to estimate the α-effect of the space curvature parameter at each moment of time. On the other hand, in an expanding hyperbolic space, a change in the density of magnetic helicity is observed, unrelated to the α-effect. We compare the two indicated factors of change in magnetic helicity and conclude that, at a fairly stable stage of expansion, the α-effect caused by the influence of scalar curvature on the Kolmogorov MHD spectrum becomes small.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"269 - 274"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100402","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
Search for Dark Matter Particles Predicted by the Scalar Portal Model with a Two-Doublet Expansion of Higgs Sector and One Extra Singlet 用希格斯扇区的双重态扩展和一个额外的单重态来寻找由标量门户模型预测的暗物质粒子
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/S1063779624701612
M. V. Savina, K. V. Slizhevskii, S. V. Shmatov
{"title":"Search for Dark Matter Particles Predicted by the Scalar Portal Model with a Two-Doublet Expansion of Higgs Sector and One Extra Singlet","authors":"M. V. Savina,&nbsp;K. V. Slizhevskii,&nbsp;S. V. Shmatov","doi":"10.1134/S1063779624701612","DOIUrl":"10.1134/S1063779624701612","url":null,"abstract":"<p>The paper presents an overview of search results for dark matter (DM) candidate particles in DM scalar portal models at the Large Hadron Collider. Calculations of cross sections of DM particle production are presented for the process of associated DM production with a gauge <i>Z</i><sup>0</sup> boson in a model with a two-doublet Higgs sector containing an additional scalar or pseudoscalar. It is shown that when analyzing the data of proton–proton collisions at an energy in the center-of-mass system of 13 TeV with a corresponding integrated luminosity of 137 fb<sup>−1</sup>, collected by CMS experiment at the LHC in 2016–2018, no significant excess of the expected signal over the background predicted by the standard model is observed. Constraints on the parameter space of (2HDM+a) scalar portal model obtained by CMS during the LHC second run (Run 2) and prospects for the third run are discussed.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"340 - 345"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100175","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
Method for Isolating the Light Component of CR Using Cherenkov Telescope Data in the TAIGA Experiment TAIGA实验中利用切伦科夫望远镜数据分离CR光分量的方法
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/S1063779624701272
L. G. Sveshnikova, E. A. Okuneva, I. I. Astapov, P. A. Bezyazykov, A. V. Blinov, E. A. Bonvech, A. N. Borodin, N. M. Budnev, A. V. Bulan, A. Chiavassa, D. V. Chernov, A. N. Dyachok, A. R. Gafarov, A. Yu. Garmash, V. M. Grebenyuk, O. A. Gress, E. O. Gress, T. I. Gress, A. A. Grinyuk, O. G. Grishin, A. L. Ivanova, A. D. Ivanova, M. A. Ilushin, N. N. Kalmykov, V. V. Kindin, S. N. Kiryuhin, R. P. Kokoulin, N. I. Kolosov, K. G. Kompaniets, E. E. Korosteleva, V. A. Kozhin, E. A. Kravchenko, A. P. Kryukov, L. A. Kuzmichev, A. A. Lagutin, M. V. Lavrova, Y. E. Lemeshev, B. K. Lubsandorzhiev, N. B. Lubsandorzhiev, S. D. Malakhov, A. Lukanov, R. R. Mirgazov, R. D. Monkhoev, E. A. Osipova, A. L. Pakhorukov, A. Pan, L. V. Pankov, A. D. Panov, A. A. Petrukhin, D. A. Podgrudkov, I. Poddubny, E. G. Popova, E. B. Postnikov, V. V. Prosin, V. N. Zirakashvily, A. A. Pushnin, R. I. Raikin, A. Y. Razumov, G. I. Rubtsov, E. V. Ryabov, V. S. Samoliga, I. Satyshev, A. Shaykovskii, A. A. Silaev, A. A. Silaev Jr., A. Yu. Sidorenkov, A. V. Skurikhin, A. V. Sokolov, V. A. Tabolenko, A. A. Tanaev, M. Y. Ternovoy, L. G. Tkachev, R. Togoo, N. A. Ushakov, A. Vaidyanathan, P. A. Volchugov, N. V. Volkov, D. M. Voronin, A. V. Zagorodnikov, I. I. Yashin, D. P. Zhurov
{"title":"Method for Isolating the Light Component of CR Using Cherenkov Telescope Data in the TAIGA Experiment","authors":"L. G. Sveshnikova,&nbsp;E. A. Okuneva,&nbsp;I. I. Astapov,&nbsp;P. A. Bezyazykov,&nbsp;A. V. Blinov,&nbsp;E. A. Bonvech,&nbsp;A. N. Borodin,&nbsp;N. M. Budnev,&nbsp;A. V. Bulan,&nbsp;A. Chiavassa,&nbsp;D. V. Chernov,&nbsp;A. N. Dyachok,&nbsp;A. R. Gafarov,&nbsp;A. Yu. Garmash,&nbsp;V. M. Grebenyuk,&nbsp;O. A. Gress,&nbsp;E. O. Gress,&nbsp;T. I. Gress,&nbsp;A. A. Grinyuk,&nbsp;O. G. Grishin,&nbsp;A. L. Ivanova,&nbsp;A. D. Ivanova,&nbsp;M. A. Ilushin,&nbsp;N. N. Kalmykov,&nbsp;V. V. Kindin,&nbsp;S. N. Kiryuhin,&nbsp;R. P. Kokoulin,&nbsp;N. I. Kolosov,&nbsp;K. G. Kompaniets,&nbsp;E. E. Korosteleva,&nbsp;V. A. Kozhin,&nbsp;E. A. Kravchenko,&nbsp;A. P. Kryukov,&nbsp;L. A. Kuzmichev,&nbsp;A. A. Lagutin,&nbsp;M. V. Lavrova,&nbsp;Y. E. Lemeshev,&nbsp;B. K. Lubsandorzhiev,&nbsp;N. B. Lubsandorzhiev,&nbsp;S. D. Malakhov,&nbsp;A. Lukanov,&nbsp;R. R. Mirgazov,&nbsp;R. D. Monkhoev,&nbsp;E. A. Osipova,&nbsp;A. L. Pakhorukov,&nbsp;A. Pan,&nbsp;L. V. Pankov,&nbsp;A. D. Panov,&nbsp;A. A. Petrukhin,&nbsp;D. A. Podgrudkov,&nbsp;I. Poddubny,&nbsp;E. G. Popova,&nbsp;E. B. Postnikov,&nbsp;V. V. Prosin,&nbsp;V. N. Zirakashvily,&nbsp;A. A. Pushnin,&nbsp;R. I. Raikin,&nbsp;A. Y. Razumov,&nbsp;G. I. Rubtsov,&nbsp;E. V. Ryabov,&nbsp;V. S. Samoliga,&nbsp;I. Satyshev,&nbsp;A. Shaykovskii,&nbsp;A. A. Silaev,&nbsp;A. A. Silaev Jr.,&nbsp;A. Yu. Sidorenkov,&nbsp;A. V. Skurikhin,&nbsp;A. V. Sokolov,&nbsp;V. A. Tabolenko,&nbsp;A. A. Tanaev,&nbsp;M. Y. Ternovoy,&nbsp;L. G. Tkachev,&nbsp;R. Togoo,&nbsp;N. A. Ushakov,&nbsp;A. Vaidyanathan,&nbsp;P. A. Volchugov,&nbsp;N. V. Volkov,&nbsp;D. M. Voronin,&nbsp;A. V. Zagorodnikov,&nbsp;I. I. Yashin,&nbsp;D. P. Zhurov","doi":"10.1134/S1063779624701272","DOIUrl":"10.1134/S1063779624701272","url":null,"abstract":"<p>This paper proposes a method for separation the light component of cosmic rays in the energy range of 200 TeV–20 PeV (the knee region in the PCR spectrum) from hybrid events detected by two Cherenkov setups IACT + HiSCORE in TAIGA experiment. The possibility of such separation is demonstrated using Monte Carlo calculations and the first experimental estimates are made.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"118 - 121"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100184","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
Development and Experience of Manufacturing Track Detectors Made of Drift Tubes at the National Research Center “Kurchatov Institute”—Institute of High Energy Physics (IHEP) 国家库尔恰托夫研究所-高能物理研究所漂移管轨道探测器的研制与经验
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/S1063779624701442
A. A. Borisov, A. N. Isaev, A. S. Kozhin, M. M. Soldatov, R. M. Fakhrutdinov, A. P. Filin
{"title":"Development and Experience of Manufacturing Track Detectors Made of Drift Tubes at the National Research Center “Kurchatov Institute”—Institute of High Energy Physics (IHEP)","authors":"A. A. Borisov,&nbsp;A. N. Isaev,&nbsp;A. S. Kozhin,&nbsp;M. M. Soldatov,&nbsp;R. M. Fakhrutdinov,&nbsp;A. P. Filin","doi":"10.1134/S1063779624701442","DOIUrl":"10.1134/S1063779624701442","url":null,"abstract":"<p>Design, assembly procedure, and some test results of track chambers based on drift tubes (DT) in a housing made of aluminum tubes with a diameter of 30 and 52 mm and mylar tubes with a diameter of 15 and 30 mm are presented.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"223 - 228"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100355","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
Analysis of Muon Neutrino Interactions with an Increased Phase Space Coverage in the Near Detector of the T2K Experiment T2K实验近探测器中增加相空间覆盖率的μ子-中微子相互作用分析
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/S1063779624701375
D. V. Fedorova, A. O. Izmaylov
{"title":"Analysis of Muon Neutrino Interactions with an Increased Phase Space Coverage in the Near Detector of the T2K Experiment","authors":"D. V. Fedorova,&nbsp;A. O. Izmaylov","doi":"10.1134/S1063779624701375","DOIUrl":"10.1134/S1063779624701375","url":null,"abstract":"<p>Using of data from the ND280 near detector plays a key role in reducing systematic errors and increasing the accuracy of neutrino oscillation analysis in the T2K long-baseline accelerator experiment. A significant limitation is the relatively small phase space available for measurements in ND280. This work is devoted to the use of new methods for reconstructing and selecting neutrino reaction products, which allows for a significant increase of the kinematic range of analysis.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"173 - 176"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100260","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
Search for Axions and Axion-Like Particles in Experiments with Standard Model Particles 在标准模型粒子实验中寻找轴子和类轴子粒子
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/S1063779624701600
A. Ya. Silenko
{"title":"Search for Axions and Axion-Like Particles in Experiments with Standard Model Particles","authors":"A. Ya. Silenko","doi":"10.1134/S1063779624701600","DOIUrl":"10.1134/S1063779624701600","url":null,"abstract":"<p>The axion is a hypothetical particle being of interest as a possible component of the cold dark matter. The axion-like dark matter interacts with particles as axions. The axion–gluon coupling results in the appearance of oscillating nucleon EDMs which are proportional to the axion field. Axions manifest themselves in direct interactions with particles (the so-called axion wind effect). The axion–photon coupling leading to the appearance of <i>effective</i> oscillating magnetic charges and EDMs also influences the spin motion. We determine the relativistic spin dynamics defined by the pseudoscalar field of dark matter axions.</p>","PeriodicalId":729,"journal":{"name":"Physics of Particles and Nuclei","volume":"56 2","pages":"335 - 339"},"PeriodicalIF":0.6,"publicationDate":"2025-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144100174","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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