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Related papers: Benchmarking Nuclear Fission Theory

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Microscopic models, which embody the simplicity and significance of a dynamical symmetry approach to nuclear structure, are reviewed. They can reveal striking features of atomic nuclei when a symmetry dominates and solutions in domains that…

Nuclear Theory · Physics 2017-08-23 J. P. Draayer , K. D. Sviratcheva , T. Dytrych , C. Bahri , K. Drumev , J. P. Vary

Recent developments, both in theoretical modeling and computational power, have allowed us to make progress on a goal not fully achieved yet in nuclear theory: a microscopic theory of nuclear fission. Even if the complete microscopic…

Nuclear Theory · Physics 2022-03-29 I. Stetcu , A. Bulgac , S. Jin , K. J. Roche , N. Schunck

We calculate field isotope shifts for nobelium atoms using nuclear charge distributions which come from different nuclear models. We demonstrate that comparing calculated isotope shifts with experiment can serve as a testing ground for…

Atomic Physics · Physics 2020-08-26 Saleh O. Allehabi , V. A. Dzuba , V. V. Flambaum , A. V. Afanasjev , S. E. Agbemava

In this article we report the release of a new program for calculating the emissivity of atomic transitions. The program, which can be obtained with its documentation from our website www.scienceware.net, passed various rigorous tests and…

Atomic Physics · Physics 2010-05-12 Taha Sochi

Nuclear observables such as binding energies and cross sections can be directly measured. Other physically useful quantities, such as spectroscopic factors, are related to measured quantities by a convolution whose decomposition is not…

Nuclear Theory · Physics 2015-05-14 R. J. Furnstahl , A. Schwenk

We investigate the thermodynamical properties of nuclear matter in heavy ion collisions, in particular with respect to questions of thermodynamical instability, phase transitions and fragmentation. For this we analyze results of…

Nuclear Theory · Physics 2007-05-23 T. Gaitanos , H. H. Wolter , C. Fuchs

Detailed information on the fission process can be inferred from the observation, modeling and theoretical understanding of prompt fission neutron and $\gamma$-ray~observables. Beyond simple average quantities, the study of distributions…

The Bayesian machine learning is a promising tool for the evaluation of nuclear fission data but its potential capability has not been fully realized. We attempt to optimize the performances of the multilayer Bayesian neural networks for…

Nuclear Theory · Physics 2021-12-22 Zi-Ao Wang , Junchen Pei

We developed a method superposing two different fission modes calculated in a four-dimensional Langevin model to obtain more accurate fission fragment yield and total kinetic energy (TKE). The two fission modes correspond to the standard I…

Nuclear Theory · Physics 2024-12-10 Kazuki Fujio , Shin Okumura , Chikako Ishizuka , Satoshi Chiba , Tatsuya Katabuchi

We discuss various measures of net charge (conserved quantities) fluctuations proposed for the identification of critical phenomena in heavy ion collisions. We show the dynamical component of fluctuations of the net charge can be expressed…

Nuclear Experiment · Physics 2009-11-07 C. Pruneau , S. Gavin , S. Voloshin

Systematic calculations of fission barriers allowing for triaxial deformation are performed for even-even superheavy nuclei with charge number $Z=112-120$ using three classes of covariant density functional models. The softness of nuclei in…

Nuclear Theory · Physics 2015-06-05 H. Abusara , A. V. Afanasjev , P. Ring

Muon-induced fission could be utilized as a probe to study the underlying dynamics of nuclear fission. The probability of muon attachment to the light asymmetric fission fragment is sensitive to fission dynamics, such as the timescale and…

Nuclear Theory · Physics 2025-07-04 Christian Ross , A. S. Umar

An analysis is presented of the expectations of the thermal model for particle production in collisions of small nuclei. The maxima observed in particle ratios of strange particles to pions as a function of beam energy in heavy ion…

Nuclear Theory · Physics 2016-09-14 J. Cleymans , B. Hippolyte , H. Oeschler , K. Redlich , N. Sharma

Post-neutron emission fission product mass distributions are calculated by using pre-neutron emission fission product yields (FPYs) and neutron multiplicity. A semi-empirical model is used to calculate the pre-neutron FPY, first. Then the…

Nuclear Theory · Physics 2022-05-18 Jounghwa Lee , Young-Ouk Lee , Tae-Sun Park , Peter Schillebeeckx , Seung-Woo Hong

The mergers of binary neutron stars, as well as black hole-neutron star systems, are expected to produce an electromagnetic counterpart that can be analyzed to infer the element synthesis that occurred in these events. We investigate one…

High Energy Astrophysical Phenomena · Physics 2021-01-20 Y. L. Zhu , K. Lund , J. Barnes , T. M. Sprouse , N. Vassh , G. C. McLaughlin , M. R. Mumpower , R. Surman

Fission neutron multiplicity distributions are known to be well reproduced by simple Gaussian distributions. Many previous evaluations of multiplicity distributions have adjusted the widths of Gaussian distributions to best fit the measured…

Nuclear Theory · Physics 2014-09-19 J. P. Lestone

Since the discovery of the Higgs boson, testing the many possible extensions to the Standard Model has become a key challenge in particle physics. This paper discusses a new method for predicting the compatibility of new physics theories…

High Energy Physics - Phenomenology · Physics 2022-07-20 Juan Rocamonde , Louie Corpe , Gustavs Zilgalvis , Maria Avramidou , Jon Butterworth

Deeper insight into the features of a reactor as a source of antineutrinos is required for making further advances in studying the fundamental properties of the neutrino. The relationship between the thermal power of a reactor and the rate…

High Energy Physics - Phenomenology · Physics 2009-11-10 V. Kopeikin , L. Mikaelyan , V. Sinev

The current status of the application of covariant density functional theory to the description of fission barriers in actinides and superheavy nuclei is reviewed. The achievements and open problems are discussed.

Nuclear Theory · Physics 2017-08-23 A. V. Afanasjev

We argue that, in many situations, fits to elastic scattering data that were historically, and frequently still are, considered `good', are not justifiably so describable. Information about the dynamics of nucleon-nucleus and…

Nuclear Theory · Physics 2017-04-12 R. S. Mackintosh
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