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Recent observation and analysis of kilonovae (KNe) spectra as a result of neutron star mergers require accurate and complete atomic structure and collisional data for interpretation. Ideally, the atomic datasets for elements predicted to be…

原子物理 · 物理学 2025-03-21 M. McCann , C. P. Ballance , F. McNeill , S. A. Sim , C. A. Ramsbottom

We present the isospin- and angular-momentum-projected nuclear density functional theory (DFT) and its applications to the isospin-breaking corrections to the superallowed beta-decay rates in the vicinity of the N=Z line. A preliminary…

核理论 · 物理学 2011-04-05 W. Satula , J. Dobaczewski , W. Nazarewicz , M. Borucki , M. Rafalski

Liquid metals play a central role in new generation liquid metal cooled nuclear reactors, for which numerical investigations require the use of appropriate thermal turbulence models for low Prandtl number fluids. Given the limitations of…

The information content of crystalline materials becomes astronomical when collective electronic behavior and their fluctuations are taken into account. In the past decade, improvements in source brightness and detector technology at modern…

Time-dependent density functional theory (TDDFT) is presently enjoying enormous popularity in quantum chemistry, as a useful tool for extracting electronic excited state energies. This article discusses how TDDFT is much broader in scope,…

其他凝聚态物理 · 物理学 2007-05-23 Kieron Burke , Jan Werschnik , E. K. U. Gross

We propose an efficient ab initio framework to compute the Gibbs energy of the transition state in vacancy-mediated diffusion including the relevant thermal excitations at density-functional-theory level. With the aid of a bespoke…

材料科学 · 物理学 2024-10-08 Xi Zhang , Sergiy V. Divinski , Blazej Grabowski

The application of digital twin (DT) technology to the nuclear field is one of the challenges in the future development of nuclear energy. Possible applications of DT technology in the nuclear field are expected to be very wide: operate…

医学物理 · 物理学 2022-10-17 Kazuma Kobayashi , Dinesh Kumar , Matthew Bonney , Syed Alam

Surface energies of metal-based systems are important for determining the Wulff-constructed shapes of metal nanoparticles and understanding the stability. We have developed a coordination number-based model to predict the total energy of…

材料科学 · 物理学 2025-06-19 Shyama Charan Mandal , Frank Abild-Pedersen

A variety of phenomena connected with the formation of a dinuclear complex is observed in the heavy ion collisions at low energies. The dinuclear system model allows us to analyze the experimental data and to interpret them by comparison of…

核理论 · 物理学 2011-04-28 A. K. Nasirov , G. Giardina , G. Mandaglio , M. Manganaro , W. Scheid

The accurate and efficient modeling of nuclear reactor transients is crucial for ensuring safe and optimal reactor operation. Traditional physics-based models, while valuable, can be computationally intensive and may not fully capture the…

应用统计 · 统计学 2024-11-28 James Daniell , Kazuma Kobayashi , Ayodeji Alajo , Syed Bahauddin Alam

High quality nuclear data is the most fundamental underpinning for all neutron metrology applications. This paper describes the release of version II of the International Reactor Dosimetry and Fusion File (IRDFF-II) that contains a…

Improving the description of the equation of state (EoS) of deuterium-tritium (DT) has recently been shown to change significantly the gain of an Inertial Confinement Fusion (ICF) target (Hu et al., PRL 104, 235003 (2010)). We use here an…

等离子体物理 · 物理学 2015-05-28 Laurent Caillabet , Benoit Canaud , Gwenaël Salin , Stéphane Mazevet , Paul Loubeyre

We present results for calculating fusion cross-sections using a new microscopic approach based on a time-dependent density-constrained DFT calculations. The theory is implemented by using densities and other information obtained from TDDFT…

核理论 · 物理学 2014-03-25 R. Keser , A. S. Umar , V. E. Oberacker , J. A. Maruhn , P. -G. Reinhard

We review the potential of precise measurements of electromagnetic probes in relativistic heavy-ion collisions for the theoretical understanding of strongly interacting matter. The penetrating nature of photons and dileptons implies that…

高能物理 - 唯象学 · 物理学 2016-08-23 R. Rapp , H. van Hees

We explore the impact of half-shell components on nuclear reaction calculations, focusing on nonelastic breakup cross sections within the Ichimura-Austern-Vincent (IAV) model. By advocating for the use of a consistent Single Folding Model…

核理论 · 物理学 2024-07-24 Hao Liu , Jin Lei , Zhongzhou Ren

The role of impurity radiation in the reduction of heat loads on divertor plates in present experiments such as DIII-D, JET, JT-60, ASDEX, and Alcator C-Mod, and in planned experiments such as ITER and TPX places a new degree of importance…

plasm-ph · 物理学 2009-10-28 R. Clark , J. Abdallah , D. Post

Data scarcity is a fundamental barrier in Electrical Impedance Tomography (EIT), as undersampled Dirichlet-to-Neumann (DtN) measurements can substantially degrade conductivity reconstructions. We address this bottleneck by completing…

数值分析 · 数学 2026-02-10 Ke Chen , Haizhao Yang , Chugang Yi

An Alvaretz-type DTL, to accelerate the H- ion beam from 3 to 50 MeV, is being constructed as the injector for the JAERI/KEK Joint Project. The following components of the DTL have been developed: (1) a cylindrical tank, made by copper…

The ILD detector is proposed for an electron-positron collider with collision centre-of-mass energies from 90~\GeV~to about 1~\TeV. It has been developed over the last 10 years by an international team of scientists with the goal to design…

仪器与探测器 · 物理学 2020-03-04 The ILD Collaboration

This article summarizes recent progress in our understanding of the reaction mechanisms leading to the formation of superheavy nuclei in cold and hot fusion reactions. Calculations are done within the Fusion-by-Diffusion (FBD) model using…

核理论 · 物理学 2022-12-14 T. Cap , M. Kowal , K. Siwek-Wilczyńska