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Results of a two-particle correlation analysis of high-$p_t$ charged particles in Pb-Au collisions at 158$A$ GeV/$c$ are presented. The data have been recorded by the CERES experiment at the CERN-SPS. The correlations are studied as…

Nuclear Experiment · Physics 2012-08-27 CERES Collaboration

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…

Nuclear Theory · Physics 2014-11-20 B. Alver , G. Roland

Collisions of isobar nuclei, those with the same mass number but different structure parameters, provide a new way to probe the initial condition of the heavy ion collisions. Using transport model simulation of $^{96}$Ru+$^{96}$Ru and…

Nuclear Theory · Physics 2024-10-10 Somadutta Bhatta , Chunjian Zhang , Jiangyong Jia

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…

Nuclear Theory · Physics 2024-12-02 Suraj Prasad , Neelkamal Mallick , Raghunath Sahoo , Gergely Gábor Barnaföldi

Using one- and two-body density matrices, we calculate the spatial and momentum distributions, two-particle Hanbury-Brown Twiss (HBT) correlation functions, and the chaotic parameter $\lambda$ in HBT interferometry for the systems of boson…

Nuclear Theory · Physics 2013-11-20 Jie Liu , Peng Ru , Wei-Ning Zhang , Cheuk-Yin Wong

The existence of a higher nodal band state with a $^{3}$He cluster structure, i.e. a vibrational mode in which the inter-cluster relative motion is excited, in $^{19}$Ne in addition to those with the $\alpha$ cluster structure in $^{20}$Ne…

Nuclear Theory · Physics 2011-02-14 S. Ohkubo , Y. Hirabayashi

In this work we demonstrate that the heat bath configuration interaction (HCI) and its semistochastic extension can be used to treat relativistic effects and electron correlation on an equal footing in large active spaces to calculate the…

Chemical Physics · Physics 2018-11-08 Bastien Mussard , Sandeep Sharma

The space-time dynamics and pion-HBT radii in central heavy ion-collisions at CERN-SPS and BNL-RHIC are investigated within a hydrodynamic simulation. The dependence of the dynamics and the HBT-parameters on the EoS is studied with…

Nuclear Theory · Physics 2009-11-07 D. Zschiesche , S. Schramm , H. Stoecker , W. Greiner

We report a peculiar dynamic phenomenon in granular gases, chain structures of head-on collisions caused by the boundary heated mechanism form a network in an Airbus micro-gravity experiment and horizontal vibrated one in the laboratory,…

Soft Condensed Matter · Physics 2019-11-06 Yanpei Chen , Wei Wang , Meiying Hou

Fifty years ago, Hanbury Brown and Twiss (HBT) discovered photon bunching in light emitted by a chaotic source, highlighting the importance of two-photon correlations and stimulating the development of modern quantum optics . The quantum…

Based on A Multi-Phase Transport (AMPT) model simulations, the transverse momentum dependent decorrelation has been studied in Pb-Pb collisions at $\sqrt{s_{NN}}$= 2.76 and 5.02 TeV, respectively. It has been found that the mix-order…

Nuclear Theory · Physics 2020-09-08 De-Xian Wei

Atomic nuclei can exhibit shape coexistence and multi-reference physics that enters in their ground states, and to accurately capture the ensuing correlations and entanglement is challenging. We address this problem by applying…

Nuclear Theory · Physics 2024-02-16 Z. H. Sun , G. Hagen , T. Papenbrock

A model is constructed for the origin of the double-humped structure found in the di-hahron azimuthal correlation on the away-side in heavy ion collisions. The parameters in the model are determined by fitting $\Delta\phi$ azimuthal…

Nuclear Theory · Physics 2009-07-13 H. Zheng , L. L. Zhu , C. B. Yang

The effects of cluster correlations have been studied in the $^{12}$C + $^{12}$C reaction at 50 MeV/nucleon, using three AMD models, the AMD (AMD/D) without any additional cluster correlations, AMD/D-COALS with nucleon correlations based on…

Nuclear Theory · Physics 2020-11-20 R. Han , Z. Chen , R. Wada , A. Ono , G. Tian , F. Shi , X. Zhang , B. Liu , H. Sun

Background: The influence of halo structure of $^6$He, $^8$B, $^{11}$Be and $^{11}$Li nuclei in several mechanisms such as direct reactions and fusion is already established, although not completely understood. The influence of the $^{10}$C…

A Fourier inversion problem lies at the heart of determining spatio-temporal characteristica of the final stage of a heavy ion collision: From the measured two-particle momentum correlations C(p_1,p_2) of identical particles, pions say, a…

Nuclear Theory · Physics 2007-05-23 Urs Achim Wiedemann

Using the CLASH-VLT survey, we assembled an unprecedented sample of 1234 spectroscopically confirmed members in Abell~S1063, finding a dynamically complex structure at z_cl=0.3457 with a velocity dispersion \sigma_v=1380 -32 +26 km s^-1. We…

The Multi-Phase Transport model (AMPT) is employed to predict Symmetric Correlations (SC), Asymmetric Correlations (ASC), Normalized Symmetric Correlations (NSC), and Normalized Asymmetric Correlations (NASC) in $^{96}Ru+^{96}Ru$ and…

Nuclear Theory · Physics 2024-01-10 Niseem Magdy

Fluctuations and correlations of conserved charges are sensitive observables for studying the QCD phase transition and critical point in high-energy heavy-ion collisions. We have studied the centrality and energy dependence of…

Nuclear Experiment · Physics 2017-02-01 Zhenzhen Yang , Xiaofeng Luo , Bedangadas Mohanty

The field of high energy nuclear collisions has witnessed a surge of interest in the role played by hydrodynamic fluctuations. Hydrodynamic fluctuations may have significant effects on matter created in heavy-ion accelerators whose…

Nuclear Theory · Physics 2017-05-03 Christopher Plumberg , Joseph I. Kapusta
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