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相关论文: Collective flows of $^{16}$O + $^{16}$O collisions…

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In this work, we reconstruct the $\gamma$-photon energy spectrum which is in good agreement with the experimental data of $^{86}$Kr + $^{12}$C at $E/A$ = 44 MeV in the framework of our modified EQMD model. The directed flow and elliptic…

核理论 · 物理学 2021-09-22 Chen-Zhong Shi , Yu-Gang Ma

In this talk we discuss several interesting aspects of collective flow in small systems in reference to planned future experiments. First, we bring in the novel possibility of exploring elliptic flow with heavy nuclei collisions on…

In this paper, we explore the effects of the presence of clustered nuclear structure of $^{16}O$ in the final state elliptic flow fluctuations through $^{16}O$-$^{16}O$ collisions at $\sqrt{s_{\rm NN}}=7$ TeV within a hybrid model,…

高能物理 - 唯象学 · 物理学 2025-04-16 Suraj Prasad , Neelkamal Mallick , Raghunath Sahoo , Gergely Gabor Barnafoldi

The initial geometry effect on collective flows, which are inherited from initial projectile structure, is studied in relativistic heavy-ion collisions of $^{12}$C + Au by using a multi-phase transport model (AMPT). Elliptic flow ($v_2$)…

核理论 · 物理学 2017-06-21 S. Zhang , Y. G. Ma , J. H. Chen , W. B. He , C. Zhong

Relativistic $^{16}$O +$^{16}$O collisions probe the Quark-Gluon Plasma formed in small systems, while their collective phenomena illuminate the structure of $^{16}$O. Recently, various configurations of $^{16}$O from \textit{ab initio}…

核理论 · 物理学 2025-07-03 Jin-Yu Hu , Hao-jie Xu , Xiaobao Wang , Shi Pu

We explore possible observable signatures of $\alpha$ clustering of light nuclei in ultra-relativistic nuclear collisions involving ${}^{7,9}$Be, ${}^{12}$C, and ${}^{16}$O. The clustering leads to specific spatial correlations of the…

核理论 · 物理学 2018-03-28 Maciej Rybczyński , Milena Piotrowska , Wojciech Broniowski

Within the framework of the quantum molecular dynamics transport model, the collective flows of clusters and pions in heavy-ion collisions have been systematically investigated. The clusters are recognized by the Wigner phase-space density…

核理论 · 物理学 2023-08-21 Heng-Jin Liu , Hui-Gan Cheng , Zhao-Qing Feng

We investigate the impacts of nuclear $\alpha$-clustering structures and nucleon--nucleon cross-section on nuclear stopping power for ${}^{16}\text{O}$ + ${}^{40}\text{Ca}$ collisions below 300 MeV/nucleon using an extended quantum…

核理论 · 物理学 2025-08-19 S. Y. Yao , X. G. Deng , Y. G. Ma

Quantum Molecular Dynamics (QMD) calculations of central collisions between heavy nuclei are used to study fragment production and the creation of collective flow. It is shown that the final phase space distributions are compatible with the…

The presence of $\alpha$ clustered structures in light nuclei can enhance the initial spatial anisotropies in relativistic nuclear collisions relative to those arising from nuclei with uniform density distributions. Thus, observables that…

Probing the $\alpha$ cluster of $^{16}$O with the relativistic $^{16}$O+$^{16}$O collisions has raised great interest in the heavy ion community. However, the effects of the $\alpha$ cluster on the soft hadron observables vary largely among…

核理论 · 物理学 2024-05-08 Yuanyuan Wang , Shujun Zhao , Boxing Cao , Hao-jie Xu , Huichao Song

To understand the true origin of flowlike signatures and applicability of hydrodynamics in small collision systems, effects of soft QCD dynamics, the sensitivity of jetlike correlations, and nonequilibrium effects, efforts are being made to…

高能物理 - 唯象学 · 物理学 2023-09-18 Debadatta Behera , Suraj Prasad , Neelkamal Mallick , Raghunath Sahoo

We show how ultra-relativistic collisions of light nuclei with heavy targets may be used to record snap-shots of the ground-state configurations and reveal information on cluster correlations. The development of collective flow in the…

核理论 · 物理学 2015-06-22 Wojciech Broniowski , Enrique Ruiz Arriola

$\alpha$-clustered structures in light nuclei could be studied through "snapshots" taken by relativistic heavy-ion collisions. A multiphase transport (AMPT) model is employed to simulate the initial structure of collision nuclei and the…

高能物理 - 唯象学 · 物理学 2020-11-18 Yi-An Li , Song Zhang , Yu-Gang Ma

The Skyrme potential energy density functional is introduced into the Ultrarelativistic Quantum Molecular Dynamics (UrQMD) model and the updated version is applied to studying the directed and elliptic flows of light particles (protons,…

核理论 · 物理学 2014-04-01 Yongjia Wang , Chenchen Guo , Qingfeng Li , Hongfei Zhang , Zhuxia Li , W. Trautmann

Collisions of light and heavy nuclei in relativistic heavy-ion collisions have been shown to be sensitive to nuclear structure. With a proposed $^{16}\mathrm{O}^{16}\mathrm{O}$ run at the LHC and RHIC we study the potential for finding…

The heavy-ion fusion reactions with 16O bombarding on 62Ni, 65Cu, 74Ge, 148Nd, 180Hf, 186W, 208Pb, 238U are systematically investigated with the improved quantum molecular dynamics (ImQMD) model. The fusion cross sections at energies near…

核理论 · 物理学 2014-11-21 Ning Wang , Kai Zhao , Zhuxia Li

Method: To examine signatures of this alpha-condensation, a compound nucleus reaction using 160, 280, and 400 MeV 16O beams impinging on a carbon target was used to investigate the 12C(16O,7a) reaction. This permits a search for…

Flow observables in heavy-ion reactions at incident energies up to about 1 GeV per nucleon have been shown to be very useful for investigating the reaction dynamics and for determining the parameters of reaction models based on transport…

核实验 · 物理学 2014-03-25 P. Russotto , M. D. Cozma , A. Le Fevre , Y. Leifels , R. Lemmon , Q. Li , J. Lukasik , W. Trautmann

Using the improved string-melting version of a Multi-Phase Transport model, we investigated the impact of nuclear geometry of $^{16}$O on anisotropic flows in O+O collisions at $\sqrt{s_{\rm NN}} = 200$ GeV. To evaluate the influence of…

核理论 · 物理学 2026-02-24 Xin-Li Zhao , You Zhou , Zi-Wei Lin , Chao Zhang , Guo-Liang Ma
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