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相关论文: Signatures of $\alpha$ clustering in $^{16}$O by u…

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It is important to understand whether $\alpha$-clustering structures can leave traces in ultra-relativistic heavy ion collisions. Using the modified AMPT model, we simulate three $\alpha$ + core configurations of $^{44}$Ti in…

核理论 · 物理学 2024-04-05 Yu-Xuan Zhang , Song Zhang , Yu-Gang Ma

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

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…

$\alpha$-clustering structure is a significant topic in light nuclei. A Bayesian convolutional neural network (BCNN) is applied to classify initial non-clustered and clustered configurations, namely Woods-Saxon distribution and…

高能物理 - 唯象学 · 物理学 2021-10-13 Junjie He , Wan-Bing He , Yu-Gang Ma , Song Zhang

The "imaging-by-smashing" technique has been developed recently in relativistic nuclear collisions. By smashing heavy nuclei at RHIC and the LHC and analyzing the anisotropic expansion (flow) of the final state produced particles, unique…

核理论 · 物理学 2025-12-01 Zhiyong Lu , Mingrui Zhao , Emil Gorm Dahlbæk Nielsen , Xiaomei Li , You Zhou

The initial geometry effect on forward-backward multiplicity correlations $C(N_{f},N_{b})$ is studied in relativistic collisions between light nuclei by using a multiphase transport model (AMPT). It is found that tetrahedron $^{16}$O +…

高能物理 - 唯象学 · 物理学 2021-11-03 Yi-An Li , Dong-Fang Wang , Song Zhang , Yu-Gang Ma

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

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

This study investigates the influence of $\alpha$-cluster structures in relativistic light nuclear collisions. Using a cluster framework, I extract the characteristics of the nucleonic configurations of $^{16}$O and $^{20}$Ne as predicted…

核理论 · 物理学 2026-02-25 Hadi Mehrabpour

We present extensive comparisons of $^{16}$O+$^{16}$O collisions at the center-of-mass energy per nucleon pair $\sqrt{s_{NN}}=200$ GeV and $^{208}$Pb+$^{16}$O collisions at $\sqrt{s_{NN}}=68.5$ GeV as well as $^{20}$Ne+$^{20}$Ne collisions…

核理论 · 物理学 2025-09-03 Hai-Cheng Wang , Song-Jie Li , Jun Xu , Zhong-Zhou Ren

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

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 +…

核理论 · 物理学 2026-03-03 Pei Li , Bo Zhou , Guo-Liang Ma

The search for specific signals in ultra-relativistic heavy-light ion collisions addressing intrinsic geometric features of nuclei may open a new window to low energy nuclear structure. We discuss specifically the phenomenon of…

核理论 · 物理学 2014-11-24 Enrique Ruiz Arriola , Wojciech Broniowski

In the present work, O$-$O collisions at $\sqrt{s_{NN}}$ = 7 TeV and p$-$O collisions at $\sqrt{s_{NN}}$ = 9.9 TeV are studied using PYTHIA8/Angantyr model for heavy-ion collisions. The theoretically predicted $\alpha$-cluster structure of…

高能物理 - 唯象学 · 物理学 2026-01-05 Deependra Sharma , Arpit Singh , Md. Samsul Islam , Basanta Nandi , Sadhana Dash

We have obtained a new set of parameters in a multiphase transport (AMPT) model that are able to describe both the charged particle multiplicity density and elliptic flow measured in Au+Au collisions at center of mass energy…

核理论 · 物理学 2011-07-21 Jun Xu , Che Ming Ko

Flow-like signals including the ridge structure observed in small collision systems that are similar to those in large collision systems have led to questions about the onset of collectivity in nuclear collisions. In this study, we use the…

核理论 · 物理学 2022-06-22 Xin-Li Zhao , Zi-Wei Lin , Liang Zheng , Guo-Liang Ma

We study symmetric and asymmetric cumulants as well as rapidity-even dipolar flow in ${}^{16}$O+${}^{16}$O collisions at $\sqrt{s_{NN}} = 200$~GeV to explore $\alpha$-clustering phenomena in light nuclei within the viscous relativistic…

核理论 · 物理学 2026-02-10 Kaiser Shafi , Sandeep Chatterjee

Nuclei having $4n$ number of nucleons are theorized to possess clusters of $\alpha$ particles ($^4$He nucleus). The Oxygen nucleus ($^{16}$O) is a doubly magic nucleus, where the presence of an $\alpha$-clustered nuclear structure grants…

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…

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