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Related papers: Rearrangement collisions between gold clusters

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Excitation functions of flow and stopping observables for the Au+Au system at energies from 40 to 1500 MeV per nucleon are presented. The systematics were obtained by merging the results of the INDRA and FOPI experiments, both performed at…

Nuclear Experiment · Physics 2009-11-11 A. Andronic , J. Lukasik , W. Reisdorf , W. Trautmann

Multifragment disintegrations, measured for central Au + Au collisions at E/A = 35 MeV, are analyzed with the Statistical Multifragmentation Model. Charge distributions, mean fragment energies, and two-fragment correlation functions are…

The pre-equilibrium contribution to open charm production in nuclear collisions at $\sqrt{s}=200$ AGeV is calculated using three different models for the correlations between momentum and space-time coordinates. Ideal (Bjorken) correlation…

Nuclear Theory · Physics 2014-11-18 Ziwei Lin , Miklos Gyulassy

The sensitive dependence of the cluster ion dissociation behavior on the elastic response of the target metal is experimentally demonstrated. Five types of metal are bombarded with cluster ions consisting of thousands of argon atoms at an…

Atomic and Molecular Clusters · Physics 2014-05-27 Kozo Mochiji , Naoki Se , Norio Inui , Kousuke Moritani

The initial-state geometry in relativistic heavy-ion collisions provides a novel probe to nuclear cluster structure. For $^{20}$Ne, a novel approach is proposed to distinguish between the cluster configurations (5$\alpha$ versus $\alpha +…

Nuclear Theory · Physics 2026-03-03 Pei Li , Bo Zhou , Guo-Liang Ma

A set of Modified Embedded Atom Method (MEAM) potentials for the interactions between Al, Si, Mg, Cu, and Fe was developed from a combination of each element's MEAM potential in order to study metal alloying. Previously published MEAM…

In this work we propose a non-perturbative approximation to the electronic stopping power based on the central screened potential of a projectile moving in a free electron gas, by Nagy and Apagyi. We used this model to evaluate the energy…

Atomic Physics · Physics 2017-08-02 C. C. Montanari , J. E. Miraglia

In this paper the nuclear configurational entropy of the energy--energy correlation function is scrutinized, in $e^+e^-$ collisions to hadrons in the back-to-back region, within the QCD perturbative theory. The critical points of the…

High Energy Physics - Phenomenology · Physics 2019-05-22 G. Karapetyan

Electron capture processes for low energy Ar9+ ions colliding on Ar2 dimer targets are investigated, focusing attention on charge sharing as a function of molecule orientation and impact parameter. A preference in charge-asymmetric…

We study the correlation between balance energy and transition energy of fragment in heavy-ion collisions for different systems at incident energies between 40 and 1200 MeV/nucleon using an isospin-dependent quantum molecular dynamics…

Nuclear Theory · Physics 2011-11-08 Rajni , Suneel Kumar , Rajeev K. Puri

At energies of a few GeV per nucleon, nuclear collisions exhibit phenomena more complex than the individualistic nucleon interactions observed at much higher energies. From recent results on proton number fluctuations in Au + Au collisions…

Nuclear Theory · Physics 2024-08-16 Ali Bazgir , Maciej Rybczynski , Uzair A. Shah , Zbigniew Wlodarczyk

Using the FOPI detector at GSI Darmstadt, excitation functions of collective flow components were measured for the Au+Au system, in the reaction plane and out of this plane, at seven incident energies ranging from 100AMeV to 800AMeV. The…

Nuclear Experiment · Physics 2009-10-30 P. Crochet , F. Rami , A. Gobbi , R. Dona , the FOPI Collaboration

Using the large acceptance apparatus FOPI, we study central collisions in the reactions (energies in A GeV are given in parentheses): 40Ca+40Ca (0.4, 0.6, 0.8, 1.0, 1.5, 1.93), 58Ni+58Ni (0.15, 0.25, 0.4), 96Ru+96Ru (0.4, 1.0, 1.5),…

Coalescence (or Growth) of tiny particles to larger particles has been an exciting and practical research topic in nanotechnology. This study deals with development of gold particles at varying precursor concentration in a custom-built…

Materials Science · Physics 2020-02-12 Mubarak Ali , I-Nan Lin

Gold selenide (AuSe) is a multilayer compound yet to be thoroughly studied. The colloidal synthesis and characterization of gold selenide nanoparticles are described, emphasizing the effect of different gold-to-selenium precursor ratios and…

Materials Science · Physics 2023-04-05 Aditya Kumar Sahu , Satyabrata Raj

Colloidal interactions in nematic liquid crystals can be described as interactions between elastic multipoles that depend on particle shape, topology, chirality, boundary conditions and induced topological defects. Here, we describe a…

Soft Condensed Matter · Physics 2020-01-06 Ye Yuan , Mykola Tasinkevych , Ivan I. Smalyukh

Single-electron ionization and excitation cross sections as well as cross sections for excitation into the first excited p state of the alkali metal atoms Li(2s), Na(3s) and K(4s) colliding with antiprotons and protons were calculated using…

Atomic Physics · Physics 2009-11-13 Armin Lühr , Alejandro Saenz

The momentum or transverse momentum spectra of antiprotons produced at mid-rapidity in proton-helium ($p$+He), gold-gold (Au+Au), deuton-gold ($d$+Au), and lead-lead (Pb+Pb) collisions over an energy range from a few GeV to a few TeV are…

High Energy Physics - Phenomenology · Physics 2019-12-03 Qi Wang , Fu-Hu Liu

Central collisions of gold nuclei are simulated by several existing models and the central net baryon density rho and the energy density eps are extracted at successive times, for beam kinetic energies of 5-40 GeV per nucleon. The resulting…

These proceedings report preliminary measurements of correlations between mid-rapidity charged tracks and high-rapidity event activity (EA) at STAR for $\sqrt{s_\mathrm{NN}}= 200\, \mathrm{GeV}$ p+Au collisions taken in 2015. These…

High Energy Physics - Experiment · Physics 2025-08-27 David Stewart