نتایج جستجو برای: coulomb fission

تعداد نتایج: 29987  

1999
I. A. Pshenichnov I. N. Mishustin J. P. Bondorf A. S. Botvina A. S. Iljinov

We study nuclear reactions induced by virtual photons associated with Lorentz-boosted Coulomb fields of ultrarelativistic heavy ions. Evaporation , fission and multifragmentation mechanisms are included in a new RELDIS code, which describes the deexcitation of residual nuclei formed after single and double photon absorption in peripheral heavy-ion collisions. Partial cross sections for differen...

Journal: :Physical Review C 2022

Background: The nature of asymmetric fission preactinides is not yet understood in detail, despite intense experimental and theoretical studies carried out at present.Purpose: study symmetric $^{180,182,183}\mathrm{Hg}$ $^{178}\mathrm{Pt}$ nuclei as a function their excitation energy isospin.Methods: Mass-energy distributions fragments $^{180}\mathrm{Hg}, ^{178}\mathrm{Pt}$ (two protons less th...

Journal: :Epj Web of Conferences 2021

The transformation of a moderately excited heavy nucleus into two fission fragments is modeled as strongly damped evolution the nuclear shape. resulting Brownian motion in multi-dimensional deformation space guided by shape-dependent level density which has been calculated microscopically for each nearly ten million shapes (given three-quadratic-surfaces parametrization) using previously develo...

Journal: :The European Physical Journal A 2021

Self-consistent methods for the structure of heavy and superheavy nuclei are reviewed. The construction application energy-density functionals discussed. relationship between self-consistent microscopic-macroscopic approaches is considered on mean-field level. extraction single-particle potentials from functional described. isotopic dependence nucleon distributions its influence nucleus–nucleus...

2008
M. Payami

In this work, we have used the liquid-drop model in the context of stabilized jellium model, to study the stability of Z-ply charged metal clusters of different species against fragmentation. We have shown that on the one hand, singly ionized clusters are stable against any spontaneous fragmentation, and on the other hand, the most favored decay process for them is atomic evaporation. However, ...

Journal: :Physical Review C 2022

Background: The nature of asymmetric fission preactinides is not yet understood in detail, despite intense experimental and theoretical studies carried out at present.Purpose: study symmetric $^{180,182,183}\mathrm{Hg}$ $^{178}\mathrm{Pt}$ nuclei as a function their excitation energy isospin.Methods: Mass-energy distributions fragments $^{180}\mathrm{Hg}, ^{178}\mathrm{Pt}$ (two protons less th...

Journal: :Tectonics 2023

The eastern European Alps are shaped by the indentation of Adria into Europe. Recent tomography, depicting detached slab fragments, has been interpreted as evidence continuous southward subduction lithosphere, contrary to an often-invoked polarity reversal. Orogen-scale exhumation, driven rock displacement along active faults, may reflect within framework doubly-vergent Coulomb wedge theory, pr...

Journal: :Enzyme and microbial technology 2014
Suryani Saallah M Nazli Naim Mohd Noriznan Mokhtar Noor Fitrah Abu Bakar Masao Gen I Wuled Lenggoro

In this study, the potential of electrohydrodynamic atomization or electrospraying to produce nanometer-order CGTase particles from aqueous suspension was demonstrated. CGTase enzyme was prepared in acetate buffer solution (1% v/v), followed by electrospraying in stable Taylor cone-jet mode. The deposits were collected on aluminium foil (collector) at variable distances from the tip of spraying...

Journal: :Physical Review C 2022

When two fragments are created in a fission decay, any torque due to nuclear and Coulomb interaction can change the fragment's angular momentum. This paper explores character magnitude of momentum as function initial conditions around scission point using time-dependent Hartree-Fock theory. To understand acting on fragments, Frozen method is also used determine collective potential at scission....

2012
Xinfeng Chen

The recoil-in-vacuum (RIV) [1] is a method utilizing hyperfine interaction to measure the nuclear g factors for excited states with pico-second lifetimes. It has drawn a lot of attentions recently because of advantages over transient field (TF) method for applications to radioactive beams. The RIV was first introduced in the 1970’s but was seldom used due to the difficulty in calibrating the hy...

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