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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 introduce the concepts of participant triangularity and triangular flow in heavy-ion collisions, analogous to the definitions of participant eccentricity and elliptic flow. The participant triangularity characterizes the triangular…

核理论 · 物理学 2014-11-20 B. Alver , G. Roland

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

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

RHIC and LHC have injected $^{16}\rm O$ nuclei in their accelerator complexes with a focus on investigating collectivity and the origin of quark-gluon plasma signatures in small collision systems. The $^{16}\rm O$ nuclei are known to…

Recently the ratio of triangular flow to the elliptic flow ($v_3/v_2$) of hadrons was proposed as a probe to detect the pattern of $\alpha$-clustering $^{12}\mathrm{C}$ in $^{12}\mathrm{C}$+$^{197}\mathrm{Au}$ collisions at relativistic…

核理论 · 物理学 2018-11-05 S. Zhang , Y. G. Ma , J. H. Chen , W. B. He , C. Zhong

The presence of $\alpha$-clustered structure in the light nuclei produces different exotic shapes in nuclear structure studies at low energies. Recent phenomenological studies suggest that collision of heavy nuclei with $\alpha$-clustered…

核理论 · 物理学 2023-06-02 Pingal Dasgupta , Rupa Chatterjee , Guo-Liang Ma

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

Elliptic flow, elliptic flow fluctuations and fluctuations in the initial geometry point to a description of nuclear collisions that is driven by the initial geometry, a quantity which appears to be imprinted from the instant of the…

核实验 · 物理学 2007-07-03 R. S. Hollis

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…

The main purpose of the present paper is to discuss whether or not the collective flows in heavy-ion collision at Fermi energy can be taken as a tool to investigate the cluster configuration in light nuclei. In practice, within an Extended…

核理论 · 物理学 2018-03-22 Chen-Chen Guo , Wan-Bing He , Yu-Gang Ma

The relative correlation between the magnitudes of elliptic flow ($v_2$) and triangular flow ($v_3$) has been accurately measured in nucleus-nucleus collisions at the LHC collider. As a function of the centrality of the collision, it…

核理论 · 物理学 2025-12-08 Mubarak Alqahtani , Jean-Yves Ollitrault

Elliptic flow ($v_2$) fluctuations in central heavy-ion collisions are direct probes of the fluctuating geometry of the quark-gluon plasma, and, as such, are strongly sensitive to any deviation from spherical symmetry in the shape of the…

核理论 · 物理学 2019-03-05 Giuliano Giacalone

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

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…

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

Long-range multi-particle correlations in heavy-ion collisions have shown conclusive evidence of the hydrodynamic behavior of strongly interacting matter and are associated with the final-state azimuthal momentum anisotropy. In small…

核理论 · 物理学 2025-06-17 Aswathy Menon K R , Suraj Prasad , Neelkamal Mallick , Raghunath Sahoo

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

$\alpha$-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

Different orientations of $\alpha$-clustered carbon nuclei colliding with heavy ions can result in a large variation in the value of anisotropic flow. Thus, photon flow observables from clustered ${\rm^{12}C}$ and ${\rm^{197}Au}$ collisions…

核理论 · 物理学 2021-05-04 Pingal Dasgupta , Guo-Liang Ma , Rupa Chatterjee , Li Yan , Song Zhang , Yu-Gang Ma
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