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Multiplicity Fluctuations in the String Model in pp Collisions at LHC Energies 大型强子对撞机能量下pp碰撞弦模型的多重涨落
IF 0.3 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2025-03-07 DOI: 10.1134/S1063778824701023
Svetlana Belokurova, Vladimir Vechernin
{"title":"Multiplicity Fluctuations in the String Model in pp Collisions at LHC Energies","authors":"Svetlana Belokurova,&nbsp;Vladimir Vechernin","doi":"10.1134/S1063778824701023","DOIUrl":"10.1134/S1063778824701023","url":null,"abstract":"<p>The fluctuation of the number of charged particles in a given rapidity interval of observation was studied. Analytical expressions and the Monte Carlo modelling in the framework of a quark–gluon string model were used to calculate scaled and robust variance of the multiplicity in the case with string fusion and without it. The used distribution of primary strings in the transverse plane is consistent with the Regge approach. The string fusion effects were taken into account by implementing of a lattice (grid) in the impact parameter plane. The scaled and robust multiplicity variance for <i>pp</i> collisions is calculated at three initial energies: 0.9, 2.76 and 7 TeV, and it is shown that the results obtained with string fusion included are in better agreement with the experimental values of the ALICE collaboration at CERN than those without string fusion. It is also demonstrated that for <i>pp</i> collisions at LHC energies, fluctuations in the number of particles from a given string cluster, due to the presence of short-range correlations between particles, significantly exceed the Poisson ones.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 3 supplement","pages":"S471 - S476"},"PeriodicalIF":0.3,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571079","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
Manifestation of the ({N=32}), ({34}) Subshell Closures in the Ternary Decays of Heavy Nuclei 重核三元衰变中({N=32})、({34})亚壳闭包的表现
IF 0.3 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2025-03-07 DOI: 10.1134/S1063778824701035
Yu. V. Pyatkov, D. V. Kamanin, V. E. Zhuchko, Z. I. Goryainova, E. A. Kuznetsova, Yu. M. Sereda, A. N. Solodov, O. V. Strekalovsky, A. O. Zhukova
{"title":"Manifestation of the ({N=32}), ({34}) Subshell Closures in the Ternary Decays of Heavy Nuclei","authors":"Yu. V. Pyatkov,&nbsp;D. V. Kamanin,&nbsp;V. E. Zhuchko,&nbsp;Z. I. Goryainova,&nbsp;E. A. Kuznetsova,&nbsp;Yu. M. Sereda,&nbsp;A. N. Solodov,&nbsp;O. V. Strekalovsky,&nbsp;A. O. Zhukova","doi":"10.1134/S1063778824701035","DOIUrl":"10.1134/S1063778824701035","url":null,"abstract":"<p>The experiment demonstrating the break-up in the Cu foil of some fraction of fragments from binary fission of <span>({}^{252})</span>Cf(sf) is discussed. One of the features of this new effect is that at least one of the break-up products shows magic nucleon composition. The possible link of the effect with fission modes is analyzed.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 3 supplement","pages":"S418 - S425"},"PeriodicalIF":0.3,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571082","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
Dynamical ({O(4)})-Symmetry in the Light Meson Spectrum within the Framework of the Regge Approach 动力学({O(4)}) -在Regge方法框架内的光介子谱对称性
IF 0.3 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2025-03-07 DOI: 10.1134/S1063778824701084
Sergey Afonin, Alisa Tsymbal
{"title":"Dynamical ({O(4)})-Symmetry in the Light Meson Spectrum within the Framework of the Regge Approach","authors":"Sergey Afonin,&nbsp;Alisa Tsymbal","doi":"10.1134/S1063778824701084","DOIUrl":"10.1134/S1063778824701084","url":null,"abstract":"<p>The light mesons tend to cluster near certain values of mass. As was noticed some time ago, the emergent degeneracy is of the same type as the dynamical <span>(O(4))</span>-symmetry of the Coulomb potential in the hydrogen atom. The meson mass spectrum can be well approximated by the linear Regge trajectories of the kind <span>(M^{2}=al+bn_{r}+c)</span>, where <span>(l)</span> and <span>(n_{r})</span> are angular momentum and radial quantum numbers and <span>(a)</span>, <span>(b)</span>, <span>(c)</span> are parameters. Such a spectrum arises naturally within the hadron string models. Using 2024 data from the Particle Data Group, various fits for <span>(M^{2}(l,n_{r}))</span> were performed. Our analysis seems to confirm that <span>(aapprox b)</span> in the light non-strange mesons, i.e., their masses depend on the sum <span>(l+n_{r})</span> as prescribed by the hydrogen-like <span>(O(4))</span>-symmetry. Using the semiclassical approximation, we discuss which kind of hadron string models are more favored by the experimental data.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 3 supplement","pages":"S477 - S482"},"PeriodicalIF":0.3,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571080","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
Analyzing Power Measurements of Quasi-Elastic Proton–Proton Scattering at the Intermediate Energies at the Nuclotron Internal Target 中子内部靶准弹性质子-质子中间能散射功率测量分析
IF 0.3 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2025-03-07 DOI: 10.1134/S1063778824701072
I. S. Volkov, A. V. Averyanov, I. E. Vnukov, Yu. V. Gurchin, D. Enache, A. Yu. Isupov, J.-T. Karachuk, D. O. Krivenkov, P. K. Kurilkin, V. P. Ladygin, A. N. Livanov, S. M. Piyadin, S. G. Reznikov, Ya. T. Skhomenko, A. A. Terekhin, A. V. Tishevsky, E. V. Chernykh, M. Janek
{"title":"Analyzing Power Measurements of Quasi-Elastic Proton–Proton Scattering at the Intermediate Energies at the Nuclotron Internal Target","authors":"I. S. Volkov,&nbsp;A. V. Averyanov,&nbsp;I. E. Vnukov,&nbsp;Yu. V. Gurchin,&nbsp;D. Enache,&nbsp;A. Yu. Isupov,&nbsp;J.-T. Karachuk,&nbsp;D. O. Krivenkov,&nbsp;P. K. Kurilkin,&nbsp;V. P. Ladygin,&nbsp;A. N. Livanov,&nbsp;S. M. Piyadin,&nbsp;S. G. Reznikov,&nbsp;Ya. T. Skhomenko,&nbsp;A. A. Terekhin,&nbsp;A. V. Tishevsky,&nbsp;E. V. Chernykh,&nbsp;M. Janek","doi":"10.1134/S1063778824701072","DOIUrl":"10.1134/S1063778824701072","url":null,"abstract":"<p>Obtaining new data on the polarization observables is the important part of the nucleon–nucleon scattering models’ development. For this purpose, the polarized deuteron beam and the detection setup at the Nuclotron internal target station were used. Counters were mounted in according to <span>(pp)</span>-elastic scattering kinematics. Relevant events were selected using time and amplitude information from the counters. The polyethylene target was used as the main target. Auxiliary carbon target was used to remove the background. This article presents the results of the vector analyzing power measurement for the proton–proton quasi-elastic scattering at the deuteron beam energies of 200, 500, 550, 650 MeV/nucleon. The obtained results are in a good accordance with the data of other experiments and the partial wave analyzis SP07 SAID predictions.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 3 supplement","pages":"S438 - S451"},"PeriodicalIF":0.3,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143570934","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
Higher (chi_{{cJ}}{(nP)}), ({h}_{{c}}{(nP)}) States and the Role of the Gluon-Exchange Potential 更高的(chi_{{cJ}}{(nP)}), ({h}_{{c}}{(nP)})状态和胶子交换电位的作用
IF 0.3 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2025-03-07 DOI: 10.1134/S1063778824700984
A. M. Badalian
{"title":"Higher (chi_{{cJ}}{(nP)}), ({h}_{{c}}{(nP)}) States and the Role of the Gluon-Exchange Potential","authors":"A. M. Badalian","doi":"10.1134/S1063778824700984","DOIUrl":"10.1134/S1063778824700984","url":null,"abstract":"<p>The masses, the fine-structure splitting, and two-photon decay widths of the higher <span>(nP)</span>-charmonium states are calculated in the relativistic string model, reduced to the spinless Salpeter equation, where the static potential has no fitting parameters and the <i>c</i>-quark mass has the physical value. The resulting masses of <span>(h_{c}left(3Pright))</span>, <span>(chi_{c1}left(3Pright))</span>, <span>(chi_{c0}left(4Pright))</span>, <span>(chi_{c0}left(5Pright))</span>, <span>(chi_{c1}left(5Pright))</span> are obtained in a good agreement with the experimental masses of the LHCb resonances: <span>(h_{c})</span>(4300), <span>(chi_{c1})</span>(4274), <span>(X)</span>(4500), <span>(X)</span>(4700), <span>(X)</span>(4685). To test sensitivity of results to a chosen gluon-exchange (GE) potential, three types of <span>(V_{textrm{ ge}}(r))</span> are considered. In first case the non-screened GE potential with large vector coupling at asymptotic, <span>(alpha_{V}(textrm{asym.})=0.635)</span>, and the <i>c</i>-quark mass <span>(m_{c}=1.430)</span> GeV are taken; in second case a screened <span>(V_{textrm{ge}})</span> and <span>(m_{c}=1.385)</span> GeV are investigated, and in third case the GE potential is totally suppressed, <span>(V_{textrm{ge}}=0)</span>, and <span>(m_{c}=1.32)</span> GeV. The agreement with experiment is reached only if the same (universal) flattened confining potential, introduced in the analysis of the radial Regge trajectories of light mesons, is used. The unobserved <span>(6P)</span>, <span>(0^{+})</span> resonance with the mass <span>({cong}4.826(13))</span> GeV, near <span>(J/psiphi)</span>(1680) threshold, is predicted. Our analysis shows that the screening of the GE potential is possible but weakly affects the physical results obtained. The calculated two-photon decay widths weakly differ in the three cases but may become an important factor, which distinguishes <span>(cbar{c})</span> and four-quark states.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 3 supplement","pages":"S461 - S470"},"PeriodicalIF":0.3,"publicationDate":"2025-03-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143571081","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
Determination of Mechanical and Tribotechnical Properties of Coatings with Additives of Metal Carbides during Laser Surfacing 激光堆焊中添加金属碳化物涂层力学性能和摩擦技术性能的测定
IF 0.3 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2025-03-05 DOI: 10.1134/S1063778824090060
V. P. Biryukov
{"title":"Determination of Mechanical and Tribotechnical Properties of Coatings with Additives of Metal Carbides during Laser Surfacing","authors":"V. P. Biryukov","doi":"10.1134/S1063778824090060","DOIUrl":"10.1134/S1063778824090060","url":null,"abstract":"<p>The process of laser surfacing of 40Kh13 steel samples using continuous radiation and transverse high-frequency beam vibrations at a frequency of 224 Hz has been considered. The influence of laser surfacing on the change in friction coefficients, jamming pressure from sliding speed, and wear resistance has been determined. It has been shown that the use of a preliminarily deposited first layer significantly improves the quality of the surfacing of the main coating.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 12","pages":"1884 - 1889"},"PeriodicalIF":0.3,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143553718","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
Nanostructure of Oxide Dispersion-Strengthened Steel Mechanically Alloyed with Intermetallic Fe3Y 金属间化合物Fe3Y机械合金化氧化物分散强化钢的纳米结构
IF 0.3 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2025-03-05 DOI: 10.1134/S1063778824110061
S. V. Rogozhkin, A. V. Klauz, A. A. Nikitin, A. A. Khalyavina, O. A. Raznitsyn, A. A. Bogachev, N. A. Iskandarov, A. G. Zaluzhny
{"title":"Nanostructure of Oxide Dispersion-Strengthened Steel Mechanically Alloyed with Intermetallic Fe3Y","authors":"S. V. Rogozhkin,&nbsp;A. V. Klauz,&nbsp;A. A. Nikitin,&nbsp;A. A. Khalyavina,&nbsp;O. A. Raznitsyn,&nbsp;A. A. Bogachev,&nbsp;N. A. Iskandarov,&nbsp;A. G. Zaluzhny","doi":"10.1134/S1063778824110061","DOIUrl":"10.1134/S1063778824110061","url":null,"abstract":"<p>In this work, the nanostructure of oxide dispersion-strengthened steel 13.5Cr–Fe<sub>3</sub>Y ODS, obtained by mechanical alloying of oxidized matrix steel powder and Fe<sub>3</sub>Y intermetallic powder. In addition to the initial state, the effect of thermal aging on the nanostructure of this steel at 650°C for 500 and 1000 h was investigated. In the studied states of 13.5Cr–Fe<sub>3</sub>Y ODS steel, transmission electron microscopy (TEM) has detected nanoscale oxides (~10–12 nm) with a number density of ~4–7 × 10<sup>21</sup> m<sup>–3</sup>, pores (~3.0–3.6 nm and ~2–4 × 10<sup>22</sup> m<sup>–3</sup>), as well as the dislocations ~2 × 10<sup>14</sup> m<sup>–2</sup>. According to the energy-dispersive X-ray spectroscopy analysis, oxide particles are mainly enriched in Y and O, and the detected pores contain up to 3 at. % Ar. Atom probe tomography (APT) revealed the presence of clusters (~3–5 nm and ~8–30 × 10<sup>22</sup> m<sup>–3</sup>). The detected clusters also contain Ar within 0.1 at. %. Comparison of the data on the initial state and states after thermal aging revealed an increase in the number density of oxides and a decrease in their size with an increase in the thermal aging time, while the volume of the oxide phase at 1000 h remains the same relative to the initial state within the limits of error. Comparison of APT data showed an increase in the volume of clusters during aging up to 500 h and a decrease in the volume at 1000 h. An increase in the number of oxides during thermal aging up to 1000 h correlates with a decrease in the volume of clusters in the same state. There is a significant (~2 times) decrease in pore volume during thermal aging. The density of dislocations increases to ~5 × 10<sup>14</sup> m<sup>–2</sup> when reaching 1000 h of aging.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 12","pages":"1800 - 1813"},"PeriodicalIF":0.3,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143554121","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
Laboratory Source of Light Ions with a Discharge Chamber Based on an Out-of-Limit Waveguide for Installing on a High-Voltage Platform 高压平台上基于超限波导的放电腔实验室光离子源
IF 0.3 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2025-03-05 DOI: 10.1134/S1063778824100442
D. N. Seleznev, A. B. Zarubin, N. N. Vinogradsky, K. E. Pryanishnikov, P. A. Fedin, T. V. Kulevoy
{"title":"Laboratory Source of Light Ions with a Discharge Chamber Based on an Out-of-Limit Waveguide for Installing on a High-Voltage Platform","authors":"D. N. Seleznev,&nbsp;A. B. Zarubin,&nbsp;N. N. Vinogradsky,&nbsp;K. E. Pryanishnikov,&nbsp;P. A. Fedin,&nbsp;T. V. Kulevoy","doi":"10.1134/S1063778824100442","DOIUrl":"10.1134/S1063778824100442","url":null,"abstract":"<p>The Kurchatov Complex of Theoretical and Experimental Physics at the National Research Center “Kurchatov Institute” is developing an ion source for a multibeam installation to perform experiments for the rapid analysis of radiation resistance of structural materials used in nuclear and thermonuclear reactors. Reproducing the processes that occur in a reactor requires irradiating samples of structural materials with two or three ion beams [1]. Irradiation with one type of heavy ions (e.g., Fe<sup>2+</sup>, Ti<sup>2+</sup>, and Co<sup>2+</sup>) and one type of light ions (H<sup>+</sup>/He<sup>+</sup>) is done simultaneously in one chamber. A compact ion source with a discharge chamber based on an extreme waveguide is being developed for generating light ion beams to be installed on a high-voltage platform. The design of the light ion source is described and preliminary results on the generation of a helium ion beam are presented.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 12","pages":"1874 - 1877"},"PeriodicalIF":0.3,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143553982","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 α Fragmentation of the 12C and 16O Nuclei in a 7 GeV/c Positive Hadron Beam of the U-70 Accelerator Complex U-70加速器配合物7 GeV/c正强子束中12C和16O核α碎裂的研究
IF 0.3 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2025-03-05 DOI: 10.1134/S1063778824090138
A. M. Gorin, S. V. Evdokimov, A. A. Zaitsev, P. I. Zarubin, V. I. Izucheev, D. S. Krinitsyn, B. V. Polishchuk, V. I. Rykalin, S. A. Sadovsky, Yu. V. Kharlov, A. A. Shangaraev
{"title":"Study of the α Fragmentation of the 12C and 16O Nuclei in a 7 GeV/c Positive Hadron Beam of the U-70 Accelerator Complex","authors":"A. M. Gorin,&nbsp;S. V. Evdokimov,&nbsp;A. A. Zaitsev,&nbsp;P. I. Zarubin,&nbsp;V. I. Izucheev,&nbsp;D. S. Krinitsyn,&nbsp;B. V. Polishchuk,&nbsp;V. I. Rykalin,&nbsp;S. A. Sadovsky,&nbsp;Yu. V. Kharlov,&nbsp;A. A. Shangaraev","doi":"10.1134/S1063778824090138","DOIUrl":"10.1134/S1063778824090138","url":null,"abstract":"<p>Events of the α fragmentation of the <sup>12</sup>C and <sup>16</sup>O nuclei in nuclear track emulsion in inelastic interactions with 7 GeV/<i>c</i> positively charged hadrons has been studied in 4π geometry. The accumulated event statistics has allowed us to estimate the cross section for the <sup>12</sup>C(<i>h</i>, <i>h</i>')3α and <sup>16</sup>O(<i>h</i>, <i>h</i>')4α fragmentation reactions induced by a hadron beam.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 12","pages":"1890 - 1898"},"PeriodicalIF":0.3,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143553719","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
The Response of a Vortex System in a Layered HTS Composite with Radiation Defects to a Short Current Pulse 含辐射缺陷的层状高温超导复合材料中涡旋系统对短电流脉冲的响应
IF 0.3 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2025-03-05 DOI: 10.1134/S1063778824110036
A. N. Maksimova, A. N. Moroz, S. V. Pokrovskij, V. A. Kashurnikov
{"title":"The Response of a Vortex System in a Layered HTS Composite with Radiation Defects to a Short Current Pulse","authors":"A. N. Maksimova,&nbsp;A. N. Moroz,&nbsp;S. V. Pokrovskij,&nbsp;V. A. Kashurnikov","doi":"10.1134/S1063778824110036","DOIUrl":"10.1134/S1063778824110036","url":null,"abstract":"<p>By means of the Monte Carlo method, the respose of a layered high-temperature superconductor to a microsecond current pulse has been caclculated. In this paper, the superconductor contains irradiation pinning centres. Two different pulse shapes have been analyzed: a rectangular and a triangular pulse. It has been shown that the shape of the response approximately coincides with the shape of the initial pulse. The “echo” effect which occurs in an external magnetic field after switching off the external current has been investigated. It has been shown that the effect is present for both rectangular and triangular pulses, the severity of the effect decreases as the efficiency of pinning centers in the sample increases.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"87 12","pages":"1814 - 1819"},"PeriodicalIF":0.3,"publicationDate":"2025-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143554122","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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