English
Related papers

Related papers: Isotopic Yields and Isoscaling in Fission

200 papers

Langevin equation is used to simulate the fission process of $^{112}$Sn + $^{112}$Sn and $^{116}$Sn + $^{116}$Sn. The mass distribution of the fission fragments are given by assuming the process of symmetric fission or asymmetric fission…

Nuclear Theory · Physics 2008-11-26 K. Wang , Y. G. Ma , Y. B. Wei , X. Z. Cai , J. G. Chen , D. Q. Fang , W. Guo , G. L. Ma , W. Q. Shen , W. D. Tian , C. Zhong , X. F. Zhou

The isoscaling is investigated using the fragment yield data from fully reconstructed quasi-projectiles observed in peripheral collisions of 28Si with 124,112Sn at projectile energies 30 and 50 MeV/nucleon. The excitation energy dependence…

Nuclear Experiment · Physics 2009-11-10 M. Veselsky , G. A. Souliotis , S. J. Yennello

We discuss mechanisms related to isospin transport in central collisions between neutron-rich systems at Fermi energies. A fully consistent study of the isospin distillation and expansion dynamics in two-component systems is presented in…

Nuclear Theory · Physics 2009-01-08 M. Colonna , V. Baran , M. Di Toro , H. H. Wolter

A review of the characteristic features found in fully energy-damped, binarydecay yields from light heavy-ion reactions with $20\leq A_{target} + A_{projectile}\leq 80$ is presented. The different aspects of these yields that have been used…

Nuclear Experiment · Physics 2016-08-15 S. J. Sanders , A. Szanto de Toledo , C. Beck

Fission fragment yield evaluations are one of the important nuclear data studies. Fission accompanies various physical observables such as prompt fission neutron, prompt fission gamma, and delayed-neutrons. When evaluating fission fragment…

Nuclear Theory · Physics 2024-04-30 Futoshi Minato , Osamu Iwamoto

We present an experimental and theoretical study of the shape of fragments generated by explosive and impact loading of closed shells. Based on high speed imaging, we have determined the fragmentation mechanism of shells. Experiments have…

Disordered Systems and Neural Networks · Physics 2011-03-28 F. Kun , F. K. Wittel , H. J. Herrmann , B. H. Kroplin , K. J. Maloy

We propose a method to calculate the two-dimensional (2D) fission-fragment yield $Y(Z,N)$ versus both proton and neutron number, with inclusion of odd-even staggering effects in both variables. The approach is to use Brownian shape-motion…

Nuclear Theory · Physics 2016-01-27 P. Moller , T. Ichikawa

Two-particle correlations based on the multiplicity of selected isobars are found to be sensitive to the parameterization of the fragments' binding energies and the breakup volume assumed in the model calculations. The properties of these…

Nuclear Theory · Physics 2020-10-21 S. R. Souza , R. Donangelo

The isoscaling properties of isotopically resolved projectile residues from peripheral collisions of 86Kr (25 MeV/nucleon), 64Ni (25 MeV/nucleon) and 136Xe (20 MeV/nucleon) beams on various target pairs are employed to probe the symmetry…

Nuclear Experiment · Physics 2009-11-11 G. A. Souliotis , D. V. Shetty , A. Keksis , E. Bell , M. Jandel , M. Veselsky , S. J. Yennello

A new statistical method for systematizing the nuclei fission fragments, investigation of their mass and charge spectra and neutron fission parameters has been suggested. In proposed method, the mass and charge yields of nucleons are…

Nuclear Theory · Physics 2015-06-04 V. T. Maslyuk , O. A. Parlag , O. I. Lendyel , T. I. Marynets , M. I. Romanyuk

The brittle fragmentation of spheres is studied numerically by a 3D Discrete Element Model. Large scale computer simulations are performed with models that consist of agglomerates of many spherical particles, interconnected by beam-truss…

Materials Science · Physics 2015-09-04 Falk K. Wittel , Humberto A. Carmona , Ferenc Kun , Hans J. Herrmann

Isomeric yield ratios for the odd-$A$ isotopes of $^{119-127}$Cd and $^{119-127}$In from 25-MeV proton-induced fission on natural uranium have been measured at the JYFLTRAP double Penning trap, by employing the Phase-Imaging…

The systematic study of fission fragment yields under different initial conditions provides a valuable experimental benchmark for fission models that aim to understand this complex decay channel and to predict reaction product yields.…

Simple approach is used to a description of the experimental data for the widths of fission fragment mass yields in 197Au and 209Bi at low and intermediate energies. This approach based on both the expression for the temperature dependence…

Nuclear Theory · Physics 2019-01-30 V. Yu. Denisov , O. A. Belyanovska , V. P. Khomenkov , I. Yu. Sedykh , K. M. Sukhyy

It is generally believed that isospin would diminish in its importance as we go towards heavy mass region due to isospin mixing caused by the growing Coulomb forces. However, it was realized quite early that isospin could become an…

Nuclear Theory · Physics 2018-06-13 Ashok Kumar Jain , Swati Garg

Isospin e ffects on multifragmentation properties were studied thanks to nuclear collisions between di fferent isotopes of xenon beams and tin targets. It is shown that, in central collisions leading to multifragmentation, the mean number…

Static self-consistent methods usually allow to determine the most probable fission fragments mass asymmetry. We have applied random neck rupture mechanism to the nuclei in the configuration at the end of fission paths. Fission fragment…

Nuclear Theory · Physics 2015-02-20 M. Warda , A. Zdeb

For central collisions of $^{40}$Ca $+ ^{40}$Ca at 35 MeV/nucleon, the density and temperature of a fragmenting source have been evaluated in a self-consistent manner using the ratio of the symmetry energy coefficient relative to the…

Nuclear Theory · Physics 2014-10-15 X. Liu , W. Lin , R. Wada , M. Huang , Z. Chen , G. Q. Xiao , S. Zhang , X. Jin , J. Liu , F. Shi , P. Ren , H. Zheng , J. B. Natowitz , A. Bonasera

We study the evolution of fission modes along the Th isotopic chain using a microscopic framework combining the time-dependent generator coordinate method and finite-temperature covariant density functional theory. Theoretical fission…

Nuclear Theory · Physics 2025-09-12 Shengyuan Chen , Zeyu Li , Minghui Zhou , Zhipan Li

Using different parameterizations of the nuclear mass formula, we study the sensitivity of the isoscaling parameters to the mass formula employed in grand-canonical calculations. Previous works on isoscaling have suggested that the symmetry…

Nuclear Theory · Physics 2008-11-26 S. R. Souza , M. B. Tsang , R. Donangelo , W. G. Lynch , A. W. Steiner
‹ Prev 1 4 5 6 7 8 10 Next ›