Physics of Atomic Nuclei最新文献

{"title":"Erratum to: Carbon Nanodots Obtained by Microwave Synthesis: Physical Properties and Assessment of Cytotoxicity on a Model of Glioblastoma and Embryonal Kidney in Vitro","authors":"A. N. Kopylov, D. U. Musaeva, V. V. Kudelkina, A. V. Syui, A. M. Kosyreva, A. I. Alekseeva, A. Yu. Zakharkiv, V. Yu. Timoshenko","doi":"10.1134/S1063778824090187","DOIUrl":"10.1134/S1063778824090187","url":null,"abstract":"","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 12","pages":"1951 - 1951"},"PeriodicalIF":0.3,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143553989","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}

{"title":"Calibrating an Array of Thin Scintillation Detectors for the Registration of Extensive Air Showers","authors":"S. Yu. Zhezhera,&nbsp;M. B. Amelchakov,&nbsp;A. G. Bogdanov,&nbsp;D. M. Gromushkin,&nbsp;A. Yu. Konovalova,&nbsp;K. R. Nugaeva,&nbsp;E. P. Khomchuk,&nbsp;S. S. Khokhlov,&nbsp;I. A. Shulzhenko,&nbsp;E. A. Yuzhakova","doi":"10.1134/S1063778824100545","DOIUrl":"10.1134/S1063778824100545","url":null,"abstract":"<p>The authors describe a way of calibrating the URAN array with thin scintillation detectors using joint events of registration of extensive air showers with the NEVOD-EAS array. Results are presented from reconstructing parameters of extensive air showers based on data from the URAN array with allowance for coefficients of calibration.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 12","pages":"1843 - 1848"},"PeriodicalIF":0.3,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143554126","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}

{"title":"Determination of Excitation Energy Spectrum of ({}^{{6}})Li in the Reaction ({n+}{}^{{6}})Li","authors":"M. V. Mordovskoy,&nbsp;A. A. Kasparov,&nbsp;A. A. Afonin,&nbsp;A. I. Drachev,&nbsp;Yu. M. Burmistrov,&nbsp;V. V. Mitsuk,&nbsp;V. N. Ponomarev,&nbsp;S. I. Potashev","doi":"10.1134/S1063778824700881","DOIUrl":"10.1134/S1063778824700881","url":null,"abstract":"<p>An experiment was carried out at the RADEX neutron channel of the Institute for Nuclear Research, Russian Academy of Sciences, at neutron energies of 40–60 MeV to investigate the cluster structure <span>({}^{3}textrm{He}+t)</span> of <span>({}^{6})</span>Li nucleus in the reaction <span>({}^{6})</span>Li(<span>(n)</span>; <span>({}^{3})</span>He <span>(n)</span>)<span>(t)</span>. The excitation energy spectrum of <span>({}^{6})</span>Li was obtained in the range <span>(E_{x}=16{-}50)</span> MeV. At an excitation energy of <span>(E_{x}=16.6)</span> MeV a resonance with <span>(Gamma=0.7)</span> MeV was observed, and in the interval <span>(E_{x}=30{-}50)</span> MeV two broad resonances were found at <span>(E_{x}=35.9)</span> and <span>(43.1)</span> MeV with <span>(Gamma=8.4)</span> and <span>(5.4)</span> MeV, respectively. All levels are observed for the first time.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 2 supplement","pages":"S392 - S399"},"PeriodicalIF":0.3,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143533158","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}

{"title":"Muography Experiments in Russia with Emulsion-Based Detectors","authors":"A. B. Alexandrov,&nbsp;P. A. Babaev,&nbsp;A. A. Gippius,&nbsp;S. A. Gorbunov,&nbsp;V. M. Grachev,&nbsp;N. S. Konovalova,&nbsp;Y. O. Krasilnikova,&nbsp;A. A. Larionov,&nbsp;A. K. Managadze,&nbsp;I. A. Melnichenko,&nbsp;N. M. Okateva,&nbsp;S. S. Paramonov,&nbsp;A. A. Petrukhin,&nbsp;N. G. Polukhina,&nbsp;T. M. Roganova,&nbsp;Z. T. Sadykov,&nbsp;N. I. Starkov,&nbsp;E. N. Starkova,&nbsp;D. M. Strekalina,&nbsp;V. E. Tyukov,&nbsp;M. M. Chernyavskiy,&nbsp;V. I. Shevchenko,&nbsp;T. V. Shchedrina,&nbsp;D. I. Zainutdinov,&nbsp;A. E. Volkov","doi":"10.1134/S1063778824700935","DOIUrl":"10.1134/S1063778824700935","url":null,"abstract":"<p>The scientific and technological base of muography researches using emulsion detectors, including the equipment and software, is developed and actively used in Russia by the MISIS, NRU MEPhI, SINP MSU and LPI RAS collaboration. The article presents a number of experiments performed with the emulsion muography and illustrates the major stages of the method development and improvement.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 2 supplement","pages":"S305 - S313"},"PeriodicalIF":0.3,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143533139","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}

{"title":"Machine Learning in the Problem of No-Core Shell Model Result Extrapolations","authors":"R. E. Sharypov,&nbsp;A. I. Mazur,&nbsp;A. M. Shirokov","doi":"10.1134/S1063778824700868","DOIUrl":"10.1134/S1063778824700868","url":null,"abstract":"<p>A method for extrapolating the results of variational calculations to the case of the infinite basis using an ensemble of artificial neural networks is proposed. Extrapolations of the no-core shell model results obtained with the nucleon–nucleon interaction Daejeon16 for the ground state energies, as well as for the root-mean-square (rms) point-proton, point-neutron, and point-nucleon (matter) radii of the <span>({}^{6})</span>Li and <span>({}^{6})</span>He nuclei, are performed.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 2 supplement","pages":"S400 - S408"},"PeriodicalIF":0.3,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143533159","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}

{"title":"Calibration of the TUS Photodetector by Anomalous Events","authors":"M. V. Lavrova,&nbsp;A. V. Blinov,&nbsp;A. N. Borodin,&nbsp;A. A. Grinyuk,&nbsp;L. G. Tkachev","doi":"10.1134/S1063778824700820","DOIUrl":"10.1134/S1063778824700820","url":null,"abstract":"<p>The main goal of the TUS experiment was to search for and study ultra high-energy cosmic rays with energy of <span>(E&gt;70)</span> EeV. At the same time, the TUS detector registered several dozen of unusual events, the origin of which is unclear. Atmospheric gamma-ray bursts (TGF and TGE) are considered as their possible sources. In this work, anomalous events are used to calibrate the TUS photodetector.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 2 supplement","pages":"S339 - S348"},"PeriodicalIF":0.3,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143533116","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}

{"title":"Correlation Characteristics of the ({}^{{20}})Ne(2({}^{{+}}), 1.634 MeV) Nucleus Formed in the ({}^{{19}})F((alpha), ({t}))({}^{{20}})Ne Reaction at ({E_{alpha}=30.3}) MeV","authors":"L. I. Galanina,&nbsp;N. S. Zelenskaya,&nbsp;V. M. Lebedev,&nbsp;N. V. Orlova,&nbsp;A. V. Spassky","doi":"10.1134/S1063778824700972","DOIUrl":"10.1134/S1063778824700972","url":null,"abstract":"<p>The differential cross sections of the <span>({}^{19})</span>F(<span>(alpha)</span>, <span>(t)</span>)<span>({}^{20})</span>Ne(g. s., 2<span>({}^{+})</span>, 4<span>({}^{+})</span>) reaction studied at the cyclotron of the Skobeltsyn Institute of Nuclear Physics, <span>(tgamma)</span> angular correlations in the reaction <span>({}^{19})</span>F(<span>(alpha)</span>, <span>(t)</span>)<span>({}^{20})</span>Ne(2<span>({}^{+})</span>) at the energy <span>(E=30.3)</span> MeV, and the tensors of the orientation <span>(t_{kkappa}(theta_{t}))</span> of the multipole moments and the alignments <span>(F_{k})</span>(<span>(theta_{t})</span>) of the <span>({}^{20})</span>Ne(2<span>({}^{+})</span>) nucleus reconstructed on their basis are compared with the calculated values under the assumption of a direct mechanism of proton stripping taking into account the coupling of channels using the Coupled-Channels Born Approximation method. A set of calculation parameters necessary for such a reaction mechanism was established and their specific values were determined. The calculated differential cross sections of the reaction <span>({}^{19})</span>F(<span>(alpha)</span>, <span>(t)</span>)<span>({}^{20})</span>Ne for all states of the rotational band agree with the experimental ones at <span>(theta_{t}&lt;120^{circ})</span>, where the direct mechanism makes the main contribution. In the same region of <span>(theta_{t})</span>, <span>(t_{kkappa}(theta_{t}))</span> the calculated <span>(F_{2})</span>(<span>(theta_{t})</span>) and <span>(F_{4})</span>(<span>(theta_{t})</span>) of the <span>({}^{20})</span>Ne(2<span>({}^{+})</span>) nucleus agree satisfactorily with the experimental data. It was found that their value at <span>(theta_{t}&lt;120^{circ})</span> is small, so the isotropy of the spin distribution in <span>({}^{20})</span>Ne(2<span>({}^{+})</span>) is not violated. At large angles <span>(theta_{t})</span>, both the experimental and calculated values of <span>(F_{4})</span> are approximately 0.5, which indicates a partial violation of this isotropy.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 2 supplement","pages":"S372 - S379"},"PeriodicalIF":0.3,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143533154","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}

{"title":"Research on the Use of 3D Printing for the Manufacture of Scintillation Detector Housing","authors":"A. V. Veresnikova,&nbsp;Yu. M. Gavrilyuk,&nbsp;V. V. Kazalov,&nbsp;M. M. Kochkarov","doi":"10.1134/S1063778824700893","DOIUrl":"10.1134/S1063778824700893","url":null,"abstract":"<p>The paper examines the possibility of using 3D printing technology to manufacture structural elements of ionizing radiation detectors under low-background conditions. The results of measurements conducted with a scintillation detector housed in a housing made of PETG plastic are presented.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 2 supplement","pages":"S257 - S263"},"PeriodicalIF":0.3,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143533194","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}

{"title":"Mass-Energy Compensation Effect of 3(alpha) Hamiltonian","authors":"I. Filikhin,&nbsp;C. Martin,&nbsp;A. Karoui,&nbsp;B. Vlahovic","doi":"10.1134/S1063778824700911","DOIUrl":"10.1134/S1063778824700911","url":null,"abstract":"<p>The <span>(3alpha)</span> phenomenological model describes the structure of the carbon-12 nucleus as a cluster of three alpha particles. This model includes a pairwise <span>(alpha{-}alpha)</span> interaction and a three-body force. To fit the three-body potential, the <span>({}^{12})</span>C data are used, while ensuring that the pair potential reproduces the <span>(alpha{-}alpha)</span> scattering data. Alternatively, the mass–energy compensation (MEC) effect can be used to simulate the effect of the three-body potential by adjusting the mass of the <span>(alpha)</span> particle within the effective-mass approach. We demonstrate the MEC effect for the <span>(3alpha)</span> ground state by numerically solving the differential Faddeev equation, in which the <span>(alpha{-}alpha)</span> interaction is described by the Ali–Bodmer potential. The effective masses of <span>(alpha)</span> particles are evaluated for the ground and excited <span>(0^{+})</span> and bound <span>(2^{+})</span> states. We demonstrate a coupling between the ground and first excited <span>(0^{+})</span> states, indicated by an anti-crossing of these energy levels in the energy–mass coordinates. A correspondence between the effective mass and a three-body potential is demonstrated. We discuss the results of the <span>(0^{+}_{2})</span> calculations for various models of the <span>(alpha{-}alpha)</span> interaction.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 2 supplement","pages":"S274 - S283"},"PeriodicalIF":0.3,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143533193","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}

{"title":"Position-Sensitive Cherenkov Monitor of High-Intensity Proton Beams","authors":"S. V. Akulinichev,&nbsp;Yu. K. Gavrilov,&nbsp;R. M. Djilkibaev","doi":"10.1134/S1063778824700832","DOIUrl":"10.1134/S1063778824700832","url":null,"abstract":"<p>The results of the study of the Cherenkov monitor of proton beams with a large pulse current are presented. For proton beams with an energy of 160 MeV and a pulse current of 4 mA, good agreement was obtained between the monitor measurements and the data of the beam current transformer. Bench measurements of the position coordinates of the light beam simulating the light image of the proton beam in the radiator of the 2-coordinate monitor were carried out. An analysis of the algorithms for restoring the position coordinates of the light beam is presented.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 2 supplement","pages":"S380 - S385"},"PeriodicalIF":0.3,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143533155","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}