中文
相关论文

相关论文: Quantal Diffusion Description of Multi-Nucleon Tra…

200 篇论文

Employing a quantal diffusion description based on the stochastic mean-field (SMF) approach, we analyze the mass distribution of the primary fragments in the collisions of ${}^{136} \text{Xe}+{}^{208} \text{Pb}$ system at the bombarding…

核理论 · 物理学 2019-07-31 S. Ayik , B. Yilmaz , O. Yilmaz , A. S. Umar

In this Review article, a brief description of the stochastic mean-field theory (SMF) for describing reaction dynamics in low-energy heavy-ion collisions at bombarding energies in the vicinity of the Coulomb barrier is presented. In these…

核理论 · 物理学 2025-09-24 S. Ayik , M. Arik , O. Yilmaz , A. S. Umar

Multinucleon transfer mechanism in collision of ${}^{160}\mathrm{Gd}+{}^{186}\mathrm{W}$ system is investigated in the framework of quantal transport description, based on the stochastic mean-field (SMF) theory. The SMF theory provides a…

核理论 · 物理学 2023-08-02 S. Ayik , M. Arik , E. Erbayri , O. Yilmaz , A. S. Umar

As an extension of previous work, we calculate the production cross-section of heavy neutron-rich isotopes by employing the quantal diffusion description to ${}^{48} \text{Ca} + {}^{238} \text{U}$ collisions. The quantal diffusion is…

核理论 · 物理学 2021-12-15 S. Ayik , M. Arik , E. C. Karanfil , O. Yilmaz , B. Yilmaz , A. S. Umar

Nucleon drift and diffusion mechanisms in central collisions of asymmetric heavy-ions at near-barrier energies are investigated in the framework of a stochastic mean-field approach. Expressions for diffusion and drift coefficients for…

核理论 · 物理学 2011-07-08 B. Yilmaz , S. Ayik , D. Lacroix , K. Washiyama

Nucleon exchange mechanism is investigated in central collisions of symmetric heavy-ions in the basis of the stochastic mean-field approach. Quantal diffusion coefficients for nucleon exchange are calculated by including non-Markovian…

核理论 · 物理学 2015-06-11 S. Ayik , O. Yilmaz , B. Yilmaz , A. S. Umar , A. Gokalp , G. Turan , D. Lacroix

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…

核理论 · 物理学 2016-11-23 S. Ayik , O. Yilmaz , B. Yilmaz , A. S. Umar

Quantal diffusion mechanism of nucleon exchange is studied in the central collisions of $^{238}$U + $^{238}$U in the framework of the stochastic mean-field (SMF) approach. For bombarding energies considered in this work, the di-nuclear…

核理论 · 物理学 2017-08-23 S. Ayik , B. Yilmaz , O. Yilmaz , A. S. Umar , G. Turan

Background: In recent years, substantial efforts have been made for the study of multinucleon transfer reactions at energies around the Coulomb barrier both experimentally and theoretically, aiming at the production of unknown neutron-rich…

核理论 · 物理学 2020-07-30 Kazuyuki Sekizawa , Sakir Ayik

Production cross-sections of heavy neutron-rich isotopes are calculated by employing quantal transport description in ${}^{250}\text{Cf}+{}^{232}\text{Th}$ collisions. This quantal transport description is based on the stochastic mean-field…

核理论 · 物理学 2022-10-18 S. Ayik , M. Arik , O. Yilmaz , B. Yilmaz , A. S. Umar

Nucleon transfer in symmetric heavy-ion reactions at energies below the Coulomb barrier is investigated in the framework of a microscopic stochastic mean-field theory. While mean-field alone is known to significantly underpredict the…

核理论 · 物理学 2015-05-13 Kouhei Washiyama , Sakir Ayik , Denis Lacroix

Multinucleon transfer mechanism in the collision of ${}^{238}\text{U}+{}^{238}\text{U}$ system is investigated at $E_\text{c.m.} =833$ MeV in the framework of the quantal diffusion description based on the stochastic mean-field approach…

核理论 · 物理学 2020-08-26 S. Ayik , B. Yilmaz , O. Yilmaz , A. S. Umar

Nucleon exchange mechanism is investigated in deep-inelastic symmetric heavy-ion collisions in the basis of the Stochastic Mean-Field approach. By extending the previous work to off-central collisions, analytical expression is deduced for…

核理论 · 物理学 2015-06-22 B. Yilmaz , S. Ayik , D. Lacroix , O. Yilmaz

Nucleon exchange mechanism is investigated in the central collisions of ${}^{40}$Ca + ${}^{238}$U and ${}^{48}$Ca + ${}^{238}$U systems near the quasi-fission regime in the framework of the Stochastic Mean-Field (SMF) approach. Sufficiently…

核理论 · 物理学 2016-01-12 S. Ayik , B. Yilmaz , O. Yilmaz

This work aims to show that the quantal diffusion approach based on the stochastic mean field (SMF) theory is capable of explaining the reaction dynamics observed in MNT reactions. Primary product mass distributions in $^{48}$Ca+$^{244}$Pu…

核理论 · 物理学 2023-08-31 M. Arik , S. Ayik , O. Yilmaz , A. S. Umar

Background: Microscopic mean-field approaches have been successful in describing the most probable reaction outcomes in low-energy heavy-ion reactions. However, those approaches are known to severely underestimate dispersions of observables…

核理论 · 物理学 2020-12-24 Sakir Ayik , Kazuyuki Sekizawa

By projecting the stochastic mean-field dynamics on a suitable collective path during the entrance channel of heavy-ion collisions, expressions for transport coefficients associated with relative distance are extracted. These transport…

核理论 · 物理学 2015-05-13 Sakir Ayik , Kouhei Washiyama , Denis Lacroix

Dissipation and fluctuations of one-body observables in heavy-ion reactions around the Coulomb barrier are investigated with a microscopic stochastic mean-field approach. By projecting the stochastic mean-field dynamics on a suitable…

核理论 · 物理学 2017-03-22 Kouhei Washiyama , Denis Lacroix , Sakir Ayik , Bülent Yilmaz

The elements of the quantum mechanical diffusion matrix, leading to a Gibbs equilibrium state for a set of $N$ coupled quantum harmonic oscillators are derived within Lindblad's axiomatic approach. Consequences of the fundamental…

量子物理 · 物理学 2011-03-28 Yamen Hamdouni

Fusion reactions of heavy ions are investigated by employing a simple stochastic semi-classical model which includes the coupling between relative motion and low frequency collective surface modes of colliding ions similarly to the quantal…

核理论 · 物理学 2010-03-19 Sakir Ayik , Bulent Yilmaz , Denis Lacroix
‹ 上一页 1 2 3 10 下一页 ›