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To improve the constraints of symmetry energy at subsaturation density, measuring and accumulating more neutron skin data for neutron rich unstable nuclei is naturally required. Aiming to probe the neutron skin of unstable nuclei by using…

核理论 · 物理学 2023-04-25 Junping Yang , Xiang Chen , Ying Cui , Zhuxia Li , Yingxun Zhang

Multiple hard interactions of partons in the same p+p(\bar p) collision are a useful concept in the description of these collisions at collider energies. In particular, they play a crucial role for the understanding of the background (the…

核实验 · 物理学 2009-08-18 Klaus Reygers

The first measurement of the dependence of $\gamma\gamma$ $\to$ $\mu^{+}\mu^{-}$ production on the multiplicity of neutrons emitted very close to the beam direction in ultraperipheral heavy ion collisions is reported. Data for lead-lead…

高能物理 - 实验 · 物理学 2021-09-29 CMS Collaboration

The pion multiplicity per participating nucleon in central nucleus-nucleus collisions at the energies 2-15 A GeV is significantly smaller than in nucleon-nucleon interactions at the same collision energy. This effect of pion suppression is…

核理论 · 物理学 2011-09-13 Marek Gazdzicki , Mark I. Gorenstein , Stanislaw Mrowczynski

The forward-backward multiplicity correlation strength is calculated for arbitrary nucleus-nucleus collision in the framework of the wounded nucleon model. Discussion of our results in the context of the recent STAR data in Au+Au collisions…

高能物理 - 唯象学 · 物理学 2009-09-02 Adam Bzdak

Using the nucleon coalescence model based on kinetic freeze-out nucleons from the 3D MUSIC+UrQMD and the 2D VISHNU hybrid model with a crossover equation of state, we study the multiplicity dependence of deuteron ($d$) and triton ($t$)…

核理论 · 物理学 2021-08-17 Wenbin Zhao , Kai-jia Sun , Che Ming Ko , Xiaofeng Luo

The dependence of fission barriers on the excitation energy of the compound nucleus impacts the survival probability of superheavy nuclei synthesized in heavy-ion fusion reactions. In this work, we investigate the isentropic fission…

核理论 · 物理学 2009-06-30 J. C. Pei , W. Nazarewicz , J. A. Sheikh , A. K. Kerman

This work attempts to overcome the existing inconsistencies in modelling decay of fissile nucleus by inclusion of important physical effects in the model and through a systematic analysis of a large set of data over a wide range of CN mass…

核理论 · 物理学 2019-02-20 Tathagata Banerjee , S. Nath , Santanu Pal

We study the consequences of the constant-temperature behaviour of nuclei in the superfluid regime for the exchange of excitation energy between two nuclei in thermal contact. This situation is realized at the scission configuration of…

核理论 · 物理学 2014-11-20 Karl-Heinz Schmidt , Beatriz Jurado

The energy evolution of medium-modified average multiplicities and multiplicity fluctuations in quark and gluon jets produced in heavy-ion collisions is investigated from a toy QCD-inspired model. In this model, we use modified splitting…

高能物理 - 唯象学 · 物理学 2009-09-24 Redamy Perez Ramos

The energy evolution of average multiplicities and multiplicity fluctuations in jets produced in heavy-ion collisions is investigated from a toy QCD-inspired model. In this model, we use modified splitting functions accounting for…

高能物理 - 唯象学 · 物理学 2009-08-05 Redamy Perez Ramos

Within the framework of the dinuclear system model, the production mechanism of neutron-rich heavy nuclei around N = 162 has been investigated systematically. The isotopic yields in the multinucleon transfer reaction of $^{238}$U +…

核理论 · 物理学 2022-09-07 Cheng Peng , Zhao-Qing Feng

The fission-fusion reaction mechanism was proposed in order to generate extremely neutron-rich nuclei close to the waiting point N = 126 of the rapid neutron capture nucleosynthesis process (r-process). The production of such isotopes and…

等离子体物理 · 物理学 2019-05-01 F. H. Lindner , E. McCary , X. Jiao , T. M. Ostermayr , R. Roycroft , G. Tiwari , B. M. Hegelich , J. Schreiber , P. G. Thirolf

Cross-section and neutron-emission data from heavy-ion fusion-fission reactions are consistent with a Kramers-modified statistical model which takes into account the collective motion of the system about the ground state; the temperature…

核理论 · 物理学 2008-11-26 S. G. McCalla , J. P. Lestone

Measurements of mass-angle distributions (MADs) for Cr + W reactions, providing a wide range in the neutron-to-proton ratio of the compound system, (N/Z)CN, have allowed for the dependence of quasifission on the (N/Z)CN to be determined in…

The Hauser-Feshbach Fission Fragment Decay (HF$^3$D) model is extended to calculate the prompt fission neutron spectrum (PFNS) for the thermal neutron induced fission on $^{235}$U, where the evaporated neutrons from all possible fission…

核理论 · 物理学 2021-07-21 Toshihiko Kawano , Shin Okumura , Amy E. Lovell , Ionel Stetcu , Patrick Talou

Today's accelerator facilities used for studies of relativistic heavy-ion collisions cover an energy range spanning over three orders of magnitude, from a few GeV up to a few TeV in center-of-mass energy per nucleon pair ($\sqrt{s_{NN}}$).…

核实验 · 物理学 2025-12-11 Manuel Lorenz , Christoph Blume

Employing a recently developed Monte Carlo model, we study the fission of 240Pu induced by neutrons with energies from thermal to just below the threshold for second chance fission. Current measurements of the mean number of prompt neutrons…

核理论 · 物理学 2009-10-29 R. Vogt , J. Randrup , J. Pruet , W. Younes

Estimation of multiplicity of muons and pions production at high energy proton-nuclei collisions is given. Both QED and QCD contributions are considered for peripheral kinematics of muon pair and $\sigma$-meson production, keeping in mind…

高能物理 - 唯象学 · 物理学 2007-07-02 E. A. Kuraev , S. Bakmaev , V. Bytev , E. Kokoulina

A recent neutron analysis of experiments conducted at the National Ignition Facility (NIF) has revealed deviations from the Maxwellian distributions in the ion relative kinetic energy of burning plasmas, with the surprising emergence of…

等离子体物理 · 物理学 2024-08-06 Y. H. Xue , D. Wu , J. Zhang