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Related papers: The nucleon phase hypothesis of binary fission

200 papers

The colinear ternary fission mode discovered by Pyatkov et al. can be interpreted in the framework of the nucleon-phase model of fission.

Nuclear Experiment · Physics 2012-02-10 G. Mouze , S. Hachem , C. Ythier

According to the driving potential of a fissile system, we propose a phenomenological fission potential for a description of the pre-neutron emission mass distributions of neutron-induced actinide fission. Based on the nucleus-nucleus…

Nuclear Theory · Physics 2015-06-03 Xiaojun Sun , Chenggang Yu , Ning Wang

We present a review of the recent progress of theoretical models on the description of the formation of superheavy nuclei in collisions of heavy systems. Two sorts of reactions that are the fusion-evaporation mechanism and the massive…

Nuclear Theory · Physics 2011-05-30 Zhao-Qing Feng , Gen-Ming Jin , Jun-Qing Li

The possibilities of the proposed statistical approach are shown in the task of investigating the post-scission transformation of mass and charge yields of fission fragments with considering the emission of different length of chains of…

Nuclear Theory · Physics 2019-07-12 V. T. Maslyuk , O. O. Parlag , M. I. Romanyuk , O. I. Lendyel , O. M. Pop

We study the impact of fission on the production and destruction of translead nuclei during the r-process nucleosynthesis occurring in neutron-star mergers. Abundance patterns and rates of nuclear energy production are obtained for…

Nuclear Theory · Physics 2020-10-13 Samuel A. Giuliani , Gabriel Martínez-Pinedo , Meng-Ru Wu , Luis M. Robledo

Neutron-rich matter at subnuclear densities may involve complex structures displaying a variety of shapes, such as spherical, slablike, and/or rodlike shapes. These phases of the {\it nuclear pasta} are expected to exist in the crust of…

Astrophysics · Physics 2009-11-10 C. J. Horowitz , M. A. Perez-Garcia , J. Piekarewicz

Fusion - fission probabilities in the synthesis of heaviest elements are discussed in the context of the latest experimental reports. Cross sections for superheavy nuclei are evaluated using "Fusion by Diffusion" (FBD) model. Predictive…

The ratio of pre-equilibrium neutrons to protons from collisions of neutron-rich nuclei is studied as a function of their kinetic energies. This ratio is found to be sensitive to the density dependence of the nuclear symmetry energy, but is…

Nuclear Theory · Physics 2010-04-06 Bao-An Li , C. M. Ko , Z. Z. Ren

In this work we have performed for the first time a systematic analysis of the dissociation and fission pathways of neutral, singly and doubly charged alanine dipeptide ions with the aim to identify the fission mechanism and the most…

Atomic and Molecular Clusters · Physics 2007-05-23 Alexander V. Yakubovitch , Ilia A. Solov'yov , Andrey V. Solov'yov , Walter Greiner

A new experimental approach is introduced to investigate the relaxation of the nuclear deformation degrees of freedom. Highly excited fissioning systems with compact shapes and low angular momenta are produced in peripheral relativistic…

Nuclear Experiment · Physics 2009-11-10 B. Jurado , C. Schmitt , K. -H. Schmidt , J. Benlliure , T. Enqvist , A. R. Junghans , A. Kelic , F. Rejmund

Calculations within the statistical multifragmentation model show that the neutron content of intermediate mass fragments can increase in the region of liquid-gas phase transition in finite nuclei. The model predicts also inhomogeneous…

Nuclear Theory · Physics 2009-11-06 A. S. Botvina , I. N. Mishustin

We discuss the problem of ultra high energy nuclei propagation in astrophysical backgrounds. We present a new analytical computation scheme based on the hypothesis of continuos energy losses in a kinetic formulation of the particles…

Astrophysics · Physics 2013-06-11 Roberto Aloisio

The probability of the formation and decay of a dinuclear system is investigated for a wide range of relative orbital angular momentum values. The mass and angular distributions of the quasifission fragments are studied to understand the…

Nuclear Theory · Physics 2016-01-20 Avazbek Nasirov , Bakhodir Kayumov , Yongseok Oh

Quantal diffusion mechanism of nucleon exchange is studied in the central collisions of several symmetric heavy-ion collisions in the framework of the Stochastic Mean-Field (SMF) approach. Since at bombarding energies below the fusion…

Nuclear Theory · Physics 2016-11-23 S. Ayik , O. Yilmaz , B. Yilmaz , A. S. Umar

We demonstrate that nucleosynthesis in rapid, high-entropy expansions of proton-rich matter from high temperature and density can result in a wider variety of abundance patterns than heretofore appreciated. In particular, such expansions…

Astrophysics · Physics 2009-11-10 G. C. Jordan , B. S. Meyer

Fission properties of the actinide nuclei are deduced from theoretical analysis. We investigate potential energy surfaces and fission barriers and predict the fission fragment mass-yields of actinide isotopes. The results are compared with…

We analyze reactions of several types that are naively below threshold but can proceed because of the release of binding energy from nuclear fission and occasionally the formation of Coulombic bound states. These reactions include (i)…

Nuclear Theory · Physics 2009-11-06 M. Goldhaber , R. Shrock

The mean free path of neutrino in charged and neutral current reactions is calculated for inhomogeneous nuclear matter which is expected to appear in the crust of neutron stars. The relevant cross section depends on Fermi and Gamow-Teller…

Nuclear Theory · Physics 2009-10-16 P. Grygorov , P. Gögelein , H. Müther

The observed distribution of neutron star (NS) masses reflects the physics of core-collapse supernova explosions and the structure of the massive stars that produce them at the end of their evolution. We present a Bayesian analysis that…

Solar and Stellar Astrophysics · Physics 2012-07-25 Ondrej Pejcha , Todd A. Thompson , Christopher S. Kochanek

Reactions of nuclear multifragmentation of excited finite nuclei can be interpreted as manifestation of the nuclear liquid-gas phase transition. During this process the matter at subnuclear density clusterizes into hot primary fragments,…

Nuclear Theory · Physics 2008-05-23 A. S. Botvina