Physics-Uspekhi最新文献

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In memory of Yurii Mikhailovich Romanovsky
IF 2.7 3区 物理与天体物理
Physics-Uspekhi Pub Date : 2023-01-01 DOI: 10.3367/ufne.2023.01.039319
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引用次数: 0
In memory of Lev Petrovich Pitaevskii 为了纪念列夫·彼得罗维奇·皮塔耶夫斯基
IF 2.7 3区 物理与天体物理
Physics-Uspekhi Pub Date : 2022-12-01 DOI: 10.3367/ufne.2022.12.039307
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引用次数: 0
Physics news on the Internet (based on electronic preprints) 互联网上的物理新闻(基于电子预印本)
IF 2.7 3区 物理与天体物理
Physics-Uspekhi Pub Date : 2022-12-01 DOI: 10.1070/PU2007v050n10ABEH006269
Y. N. Eroshenko
{"title":"Physics news on the Internet (based on electronic preprints)","authors":"Y. N. Eroshenko","doi":"10.1070/PU2007v050n10ABEH006269","DOIUrl":"https://doi.org/10.1070/PU2007v050n10ABEH006269","url":null,"abstract":"The energy spectrum of solar neutrinos produced in radioactive decays of Be nuclei was directly measured for the first time in the Borexino experiment (Gran Sasso National Laboratory near L'Aquila, Italy) by the team composed of nearly 100 researchers from Italy, the United States, Russia, Germany, France, and Poland. Be nuclei are created in the 3He‡ He synthesis; their decay produces emission of monoenergetic electron neutrinos ne with an energy of 0.862 MeV. In the past, this neutrino component was detected only integrally by using radiochemical separation. The existing detectors that respond to the Vavilov ±Cherenkov radiation due to neutrino interaction with water can only reveal neutrinos with energy levels above 5 MeV. The new Borexino experiment utilizes a liquid organic scintillator. Excitation of scintillator molecules by elastic scattering of neutrinos on electrons results in a signal that is sufficiently strong for real-time spectral measurement of sub-MeV neutrinos, beginning with about 200 keV. High background noise of b-decays of C nuclei dominates at still lower energies. The experimental facility included structural elements and materials with a very low level of natural radioactivity, fabricated using specially dedicated technologies. The scintillator was poured into a spherical nylon shell and placed inside a steel sphere surrounded with a layer of water, while the experiment as a whole was run inside a mountain tunnel. After subtracting the background events from all known processes and taking into account the effect of neutrino oscillations via the Mikheev ± Smirnov ±Wolfenstein mechanism, the neutrino spectrum was found to be consistent, with high accuracy, with the beryllium solar neutrino predicted in the Standard Solar Models. Source: http://arXiv.org/abs/0708.2251","PeriodicalId":20068,"journal":{"name":"Physics-Uspekhi","volume":"55 1","pages":"1089 - 1090"},"PeriodicalIF":2.7,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80212013","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Initial episodes of chemical evolution of intergalactic medium 星系间介质化学演化的初始阶段
IF 2.7 3区 物理与天体物理
Physics-Uspekhi Pub Date : 2022-12-01 DOI: 10.3367/ufne.2022.12.039295
Y. Shchekinov, Evgeniy O. Vasilyev, B. Shustov
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引用次数: 0
Belousov—Zhabotinsky reaction dynamics research by time-resolving X-ray absorption spectroscopy using adaptive X-ray optics elements 使用自适应x射线光学元件的时间分辨x射线吸收光谱研究Belousov-Zhabotinsky反应动力学
IF 2.7 3区 物理与天体物理
Physics-Uspekhi Pub Date : 2022-12-01 DOI: 10.3367/ufne.2022.12.039281
Andrey I. Protsenko, I. A. Eliovich, A. Blagov, Yu. V. Pisarevskiĭ, A. Targonsky, A. Rogachev, Viktor A. Korzhov, S. Yakunin, M. Kovalchuk
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引用次数: 0
Searching topological magnetic textures with machine learning 用机器学习搜索拓扑磁性纹理
IF 2.7 3区 物理与天体物理
Physics-Uspekhi Pub Date : 2022-12-01 DOI: 10.3367/ufne.2022.12.039303
G. Paradezhenko, A. A. Pervishko, D. Yudin
{"title":"Searching topological magnetic textures with machine learning","authors":"G. Paradezhenko, A. A. Pervishko, D. Yudin","doi":"10.3367/ufne.2022.12.039303","DOIUrl":"https://doi.org/10.3367/ufne.2022.12.039303","url":null,"abstract":"","PeriodicalId":20068,"journal":{"name":"Physics-Uspekhi","volume":"24 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82533120","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
Laminar submerged jets of incompressible fluid at large Reynolds numbers 大雷诺数下不可压缩流体的层流淹没射流
IF 2.7 3区 物理与天体物理
Physics-Uspekhi Pub Date : 2022-12-01 DOI: 10.3367/ufne.2022.12.039301
A. Gaifullin, V. Zhvick
{"title":"Laminar submerged jets of incompressible fluid at large Reynolds numbers","authors":"A. Gaifullin, V. Zhvick","doi":"10.3367/ufne.2022.12.039301","DOIUrl":"https://doi.org/10.3367/ufne.2022.12.039301","url":null,"abstract":"","PeriodicalId":20068,"journal":{"name":"Physics-Uspekhi","volume":"28 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83357422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
The Earth's magnetic field of the inner magnetosphere 地球内部磁层的磁场
IF 2.7 3区 物理与天体物理
Physics-Uspekhi Pub Date : 2022-12-01 DOI: 10.3367/ufne.2022.12.039293
V. Malakhov, V. V. Alekseev, Vladislav S. Golubkov, A. Mayorov, S. Rodenko, R. Yulbarisov
{"title":"The Earth's magnetic field of the inner magnetosphere","authors":"V. Malakhov, V. V. Alekseev, Vladislav S. Golubkov, A. Mayorov, S. Rodenko, R. Yulbarisov","doi":"10.3367/ufne.2022.12.039293","DOIUrl":"https://doi.org/10.3367/ufne.2022.12.039293","url":null,"abstract":"","PeriodicalId":20068,"journal":{"name":"Physics-Uspekhi","volume":"33 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83458315","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
X-ray interferometers Talbot and Talbot—Lau 塔尔博特和塔尔博特-劳x射线干涉仪
IF 2.7 3区 物理与天体物理
Physics-Uspekhi Pub Date : 2022-12-01 DOI: 10.3367/ufne.2022.12.039283
V. V. Lider
{"title":"X-ray interferometers Talbot and Talbot—Lau","authors":"V. V. Lider","doi":"10.3367/ufne.2022.12.039283","DOIUrl":"https://doi.org/10.3367/ufne.2022.12.039283","url":null,"abstract":"","PeriodicalId":20068,"journal":{"name":"Physics-Uspekhi","volume":"110 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73432151","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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
For 105 years we have been highlighting advances in physics. To the readers of the journal "Uspekhi Fizicheskikh Nauk" ("Physics - Uspekhi") 105年来,我们一直在强调物理学的进步。致“Uspekhi Fizicheskikh Nauk”(“物理学-乌斯佩基”)杂志的读者
IF 2.7 3区 物理与天体物理
Physics-Uspekhi Pub Date : 2022-12-01 DOI: 10.3367/ufne.2022.12.039337
{"title":"For 105 years we have been highlighting advances in physics. To the readers of the journal \"Uspekhi Fizicheskikh Nauk\" (\"Physics - Uspekhi\")","authors":"","doi":"10.3367/ufne.2022.12.039337","DOIUrl":"https://doi.org/10.3367/ufne.2022.12.039337","url":null,"abstract":"","PeriodicalId":20068,"journal":{"name":"Physics-Uspekhi","volume":"15 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2022-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82023991","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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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