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Physics of Atomic Nuclei最新文献

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Erratum to: Neutral Meson Production Results in ({pp}), ({p})–Pb and Pb–Pb Collisions in ALICE ALICE中({pp}), ({p}) -Pb和Pb-Pb碰撞产生中性介子的勘误
IF 0.5 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2026-07-12 DOI: 10.1134/S106377882670002X
D. A. Averyanov, ALICE Collaboration
{"title":"Erratum to: Neutral Meson Production Results in ({pp}), ({p})–Pb and Pb–Pb Collisions in ALICE","authors":"D. A. Averyanov, ALICE Collaboration","doi":"10.1134/S106377882670002X","DOIUrl":"10.1134/S106377882670002X","url":null,"abstract":"","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"89 2","pages":"249 - 249"},"PeriodicalIF":0.5,"publicationDate":"2026-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148433517","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
Erratum to: the Search of the Process ({e^{+}e^{-}to(omega,rho)toeta e^{+}e^{-}}) at 680–820 MeV c.m. Energy Range with the CMD-3 Detector 校正：搜索过程({e^{+}e^{-}to(omega,rho)toeta e^{+}e^{-}})在680-820 MeV c.m.能量范围与CMD-3探测器
IF 0.5 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2026-07-12 DOI: 10.1134/S1063778826700018
D. N. Grigoriev, V. F. Kazanin, V. L. Ivanov, A. K. Narvatkina, D. V. Shoukavy, CMD-3 Collaboration
{"title":"Erratum to: the Search of the Process ({e^{+}e^{-}to(omega,rho)toeta e^{+}e^{-}}) at 680–820 MeV c.m. Energy Range with the CMD-3 Detector","authors":"D. N. Grigoriev, V. F. Kazanin, V. L. Ivanov, A. K. Narvatkina, D. V. Shoukavy, CMD-3 Collaboration","doi":"10.1134/S1063778826700018","DOIUrl":"10.1134/S1063778826700018","url":null,"abstract":"","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"89 2","pages":"250 - 250"},"PeriodicalIF":0.5,"publicationDate":"2026-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148433602","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 Background Components in the DOUBLE CHOOZ Detectors for Both Reactors in the Off-Mode: Analysis of the Residual Spectrum of Reactor Antineutrinos 双反应堆双CHOOZ探测器在关闭模式下背景成分的测定：反应堆反中微子残余谱的分析
IF 0.5 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2026-07-12 DOI: 10.1134/S1063778826600429
A. P. Vlasenko, V. V. Sinev
{"title":"Determination of Background Components in the DOUBLE CHOOZ Detectors for Both Reactors in the Off-Mode: Analysis of the Residual Spectrum of Reactor Antineutrinos","authors":"A. P. Vlasenko,&nbsp;V. V. Sinev","doi":"10.1134/S1063778826600429","DOIUrl":"10.1134/S1063778826600429","url":null,"abstract":"<p>Data obtained in the course of the Double Chooz experiment during the shutdown of both reactors of the atomic power plant are analyzed. Dominant sources of the background to prompt–delayed event pairs in the detectors are considered. They include random coincidences, fast neutrons, and cosmogenic isotopes. Antineutrino emission from fuel assemblies stored in the spent-fuel pool is isolated. Model antineutrino spectra of long-lived isotopes are constructed and are used to describe the experimental spectrum of prompt–delayed events that is observed in the Double Chooz near detector.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"89 2","pages":"205 - 208"},"PeriodicalIF":0.5,"publicationDate":"2026-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148433599","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
Influence of External Active Medium on the Process of Double Compton Scattering 外有源介质对双康普顿散射过程的影响
IF 0.5 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2026-07-12 DOI: 10.1134/S1063778826600387
D. A. Rumyantsev, M. V. Chistyakov, T. A. Puhov
{"title":"Influence of External Active Medium on the Process of Double Compton Scattering","authors":"D. A. Rumyantsev,&nbsp;M. V. Chistyakov,&nbsp;T. A. Puhov","doi":"10.1134/S1063778826600387","DOIUrl":"10.1134/S1063778826600387","url":null,"abstract":"<p>The process of double Compton scattering, <span>(egammato egammagamma)</span>, in the presence of a strongly magnetized, both charge-asymmetric and charge-symmetric electron plasma is considered. The amplitude of the process is written out and the selection rules for photon polarizations are found. By solving the kinetic equation, an estimate of the efficiency of polarized photon production is obtained.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"89 2","pages":"234 - 240"},"PeriodicalIF":0.5,"publicationDate":"2026-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148433600","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
Doubly Heavy Baryons in the Born–Oppenheimer Approximation 玻恩-奥本海默近似中的双重子
IF 0.5 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2026-07-12 DOI: 10.1134/S106377882660034X
A. S. Barbolina, A. Ya. Parkhomenko, A. K. Shukhtina
{"title":"Doubly Heavy Baryons in the Born–Oppenheimer Approximation","authors":"A. S. Barbolina,&nbsp;A. Ya. Parkhomenko,&nbsp;A. K. Shukhtina","doi":"10.1134/S106377882660034X","DOIUrl":"10.1134/S106377882660034X","url":null,"abstract":"<p>The Born–Oppenheimer approximation, used to calculate the binding energy in the positively-charged molecular hydrogen ion, is applied for calculating the mass spectrum of doubly-heavy baryons. To find the ion binding energy, the perturbation theory is used within the non-relativistic quantum mechanics. When the protons are static, the approach is known as the Born–Oppenheimer approximation. The Hamiltonian average for the molecular hydrogen ion is found by applying the Ritz variational method. Similar method is used for calculation of a binding energy in a doubly-heavy baryon with heavy quarks of the same flavor. The binding energy of this baryon is found with account of additional interquark-potential-energy terms due to the quark confinement. The doubly charmed <span>(Xi_{cc}^{++})</span> baryon with the color-antitriplet doubly charmed diquark is studied as an example. Its binding energy is numerically studied in dependence on the distance between the charmed quarks and found to be a growing function without local minima.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"89 2","pages":"219 - 225"},"PeriodicalIF":0.5,"publicationDate":"2026-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148433604","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
Neutron Halo in Calcium, Zirconium, and Cerium Nuclei near Neutron Drip Line 中子滴注线附近钙、锆、铈核中的中子晕
IF 0.5 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2026-07-12 DOI: 10.1134/S1063778826600466
O. V. Bespalova, A. A. Klimochkina, M. M. Mosunov
{"title":"Neutron Halo in Calcium, Zirconium, and Cerium Nuclei near Neutron Drip Line","authors":"O. V. Bespalova,&nbsp;A. A. Klimochkina,&nbsp;M. M. Mosunov","doi":"10.1134/S1063778826600466","DOIUrl":"10.1134/S1063778826600466","url":null,"abstract":"<p>The neutron densities of calcium, zirconium, and cerium isotopes approaching the neutron drip line are calculated using a single-particle approach with the potential of the dispersive optical model. The densities reveal the formation of a neutron-halo structure involving more than two neutrons in halo states, the number of neutrons in the halo region proper being substantially smaller. The antihalo effect in response to an increase in the diffuseness of the potential and in absorption for nuclei characterized by a significant neutron–proton asymmetry is discussed.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"89 2","pages":"146 - 156"},"PeriodicalIF":0.5,"publicationDate":"2026-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148433597","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
Separation of Fully Electroweak Component of Neutral Diboson Production in Association with a High-Mass Dijet System Using the Third Jet Information 利用第三射流信息分离高质量双喷系统中性二色子产生的全电弱组分
IF 0.5 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2026-07-12 DOI: 10.1134/S1063778826600442
D. Zubov, E. Soldatov
{"title":"Separation of Fully Electroweak Component of Neutral Diboson Production in Association with a High-Mass Dijet System Using the Third Jet Information","authors":"D. Zubov,&nbsp;E. Soldatov","doi":"10.1134/S1063778826600442","DOIUrl":"10.1134/S1063778826600442","url":null,"abstract":"<p>In this paper, the possibility of improving the separation of EWK and QCD components of diboson production processes using additional kinematic third-jet information was investigated. In the case of the <span>(ppto ZZjjtoellellnunu jj)</span> inclusive process, two separation approaches based on machine learning classification algorithms were considered: Basic and Combined. The Basic approach consisted of training the classifier using a set of variables that did not include the parameters of the third jet. In the Combined approach, the classifier was trained using an extended set of variables that included information about the third jet.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"89 2","pages":"172 - 178"},"PeriodicalIF":0.5,"publicationDate":"2026-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148433606","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
Influence of Majorons on Neutrino Oscillations in the Presence of a Magnetic Field and Matter 在磁场和物质存在下，马约子对中微子振荡的影响
IF 0.5 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2026-07-12 DOI: 10.1134/S1063778826600089
A. A. Lichkunov, A. R. Popov, A. I. Studenikin
{"title":"Influence of Majorons on Neutrino Oscillations in the Presence of a Magnetic Field and Matter","authors":"A. A. Lichkunov,&nbsp;A. R. Popov,&nbsp;A. I. Studenikin","doi":"10.1134/S1063778826600089","DOIUrl":"10.1134/S1063778826600089","url":null,"abstract":"<p>Neutrino spin–flavor oscillations in the magnetic field, matter, and majoron fields are studied. The effective Lagrangian of Majorana neutrino interaction with a majoron field mediated by heavy neutrino is calculated. It is shown that the presence of a majoron field with a high energy density significantly shifts the resonances in neutrino oscillations, or even induces new resonances. The influence of majorons suppresses oscillations for neutrino energies below 10 MeV. Additionally, the dependence of the oscillations probabilities on the Dirac and Majorana <span>(CP)</span>-violating phases becomes weaker under the influence of a dense majoron field. These findings can be applied to experiments that study neutrinos from supernovae, such as JUNO, DUNE, and the upcoming Hyper-Kamiokande experiment.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"89 2","pages":"226 - 233"},"PeriodicalIF":0.5,"publicationDate":"2026-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148433516","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
Double and Triple Higgs Boson Production at Future Colliders 未来对撞机的双重和三重希格斯玻色子生产
IF 0.5 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2026-07-12 DOI: 10.1134/S1063778826600260
I. I. Tsukerman
{"title":"Double and Triple Higgs Boson Production at Future Colliders","authors":"I. I. Tsukerman","doi":"10.1134/S1063778826600260","DOIUrl":"10.1134/S1063778826600260","url":null,"abstract":"<p>Perspectives of measurements of double and triple Higgs boson production cross sections at future electron–positron, muon and proton-proton colliders are discussed. These measurements are needed to extract directly triple and quartic Higgs boson self-couplings to check whether the Higgs potential corresponds to the standard model prediction or not.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"89 2","pages":"165 - 171"},"PeriodicalIF":0.5,"publicationDate":"2026-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148433605","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 Physical Research Program in the Field of Large ({p_{T}}) at Nuclotron Beams of the NICA Complex (JINR) NICA核电子束（JINR）大型物理研究项目({p_{T}})
IF 0.5 4区 物理与天体物理
Physics of Atomic Nuclei Pub Date : 2026-07-12 DOI: 10.1134/S1063778826600259
G. B. Sharkov, S. S. Shimanskiy, A. V. Stavinskiy
{"title":"The Physical Research Program in the Field of Large ({p_{T}}) at Nuclotron Beams of the NICA Complex (JINR)","authors":"G. B. Sharkov,&nbsp;S. S. Shimanskiy,&nbsp;A. V. Stavinskiy","doi":"10.1134/S1063778826600259","DOIUrl":"10.1134/S1063778826600259","url":null,"abstract":"<p>A comprehensive research program is presented aimed at studying multi-quark states (diquark, multi-quark (multinucleon), exotic hadron states, etc.). Studies of rare processes on beams of protons and light nuclei (both unpolarized and polarized) and unique polarized targets at proton energies up to 12 GeV (6 <i>A</i>GeV for nuclei) and beam intensities up to <span>(10^{10})</span> A/s. To carry out these studies, the experimental setup should cover the range of polar angles of <span>(90pm 45^{circ})</span> in c.m.s. and to register particles with a transverse momentum <span>(p_{T}&gt;0.5)</span> GeV/<i>c</i>, where multiquark systems (including strangeness) are most pronounced. These studies are very important because they can shed light on some new features of nonperturbative QCD.</p>","PeriodicalId":728,"journal":{"name":"Physics of Atomic Nuclei","volume":"89 2","pages":"179 - 185"},"PeriodicalIF":0.5,"publicationDate":"2026-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148433598","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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