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A modified version of the Multicluster Dynamic Model of nuclei is proposed to construct completely antisymmetrized wave functions of multicluster systems. An overlap kernel operator is introduced to renormalize the total wave function after…

Nuclear Theory · Physics 2007-05-23 R. A. Eramzhyan , G. G. Ryzhikh , Yu. M. Tchuvil'sky

We propose a mechanism of thermalization of nucleons in relativistic nucleus-nucleus collisions. Our model belongs, to a certain degree, to the transport ones; we consider the evolution of the system, but we parametrize this development by…

Nuclear Theory · Physics 2009-04-13 D. Anchishkin , A. Muskeyev , S. Yezhov

Many-body systems undergoing quantum phase transitions reveal substantial growth of non-classical correlations between different parties of the system. This behavior is manifested by characteristic divergences of the von Neumann entropy.…

Quantum Gases · Physics 2020-02-12 Damian Włodzyński , Daniel Pęcak , Tomasz Sowiński

Neutrino flavor evolution in dense astrophysical environments is inherently nonlinear and sensitive to many-body (MB) quantum effects beyond the mean-field (MF) approximation. Existing MB studies are constrained by small system sizes,…

High Energy Astrophysical Phenomena · Physics 2026-05-22 Zoha Laraib , Sherwood Richers

In p-p collisions the average transverse momentum is known to be correlated with the multiplicity of produced particles. The correlation is shown to survive in a superposition model of nucleus-nucleus collisions. When properly…

Nuclear Theory · Physics 2009-11-11 Stanislaw Mrowczynski

Forward-backward asymmetry $A_{\rm FB}$ is an essential observable to study the nature of coupling in the standard model and physics beyond the standard model, as shown at LEP and Tevatron. As a proton-proton collider, the LHC does not have…

High Energy Physics - Phenomenology · Physics 2011-02-01 You-kai Wang , Bo Xiao , Shou-hua Zhu

The forward-backward (FB) charged particle multiplicity correlations between windows separated in rapidity and azimuth are analyzed using a model that treats strings as independent identical emitters. Both the short-range (SR) contribution,…

High Energy Physics - Phenomenology · Physics 2017-06-05 Vladimir Vechernin

The observation of multi-particle azimuthal correlations in high-energy small-system collisions has led to intense debate on its origin and the possible coexistence from two competing theoretical scenarios: one based on initial-state…

Nuclear Experiment · Physics 2020-02-26 Shengli Huang , Zhenyu Chen , Jiangyong Jia , Wei Li

In this paper, we investigate the multiplicity fluctuations of charged particles observed in high-energy nuclear collisions and relate them to the size of hadronizing systems which happen during such processes. We use the average…

Nuclear Theory · Physics 2023-03-30 A. Bazgir , V. Z. Reyna Ortiz , M. Rybczynski , U. Shah , Z. Wlodarczyk

Multiplicity ($N_{\rm ch}$) distributions and transverse momentum ($p_{\rm T}$) spectra of inclusive primary charged particles in the kinematic range of $|\eta| < 0.8$ and 0.15 GeV/$c$ $< p_{T} <$ 10 GeV/$c$ are reported for pp, p-Pb, Xe-Xe…

Nuclear Experiment · Physics 2024-05-20 ALICE Collaboration

We use the Ultra-relativistic Quantum Molecular Dynamic model (UrQMD v2.2) to study forward-backward fluctuations and compare our results with the data published by the PHOBOS experiment. The extracted effective cluster multiplicities show…

Nuclear Theory · Physics 2007-05-23 Stephane Haussler , Mohamed Abdel-Aziz , Marcus Bleicher

Analysis of correlation of multiplicities between various rapidity bins is carried out in the framework of a superposition approach consisting of three phases of the ultra-relativistic nuclear collision: early partonic phase, intermediate…

Nuclear Theory · Physics 2015-09-02 Adam Olszewski , Wojciech Broniowski

Azimuthal distributions of radial velocities of charged hadrons produced in nucleus-nucleus $(AB)$ collisions are compared with the corresponding azimuthal distribution of charged hadron multiplicity in the framework of a multiphase…

Nuclear Theory · Physics 2018-04-24 Soumya Sarkar , Provash Mali , Somnath Ghosh , Amitabha Mukhopadhyay

We calculate the cumulants and correlation functions of net-kaon multiplicity distributions in Au+Au collisions at $\sqrt{s_{NN}} = 7.7$ GeV using a multiphase transport model (AMPT) with both a new coalescence mechanism and all charge…

Nuclear Theory · Physics 2023-03-21 Qian Chen , Han-Sheng Wang , Guo-Liang Ma

The Multi-Phase Transport model (AMPT) is used to investigate the longitudinal broadening of the transverse momentum two-particle correlator $C_{2}\left(\Delta\eta,\Delta\varphi\right)$, and its utility to extract the specific shear…

Nuclear Theory · Physics 2021-08-04 Niseem Magdy , Roy A. Lacey

In the framework of a multi-phase transport model, fluctuation and correlation of the azimuthal anisotropies in $^{12}$C+$^{197}$Au collisions at $\sqrt{S_{NN}}$ = 200 GeV are explored. Properties of the initial eccentricity and final…

High Energy Physics - Phenomenology · Physics 2020-08-05 L. Ma. Y. G. Ma , S. Zhang

This is the first in a pair of articles that classify the configuration space and kinematic symmetry groups for $N$ identical particles in one-dimensional traps experiencing Galilean-invariant two-body interactions. These symmetries explain…

Quantum Physics · Physics 2017-02-06 N. L. Harshman

Recent developments in the area of soft interactions and multiparticle correlations are reviewed, including higher harmonic flows conjectured to result from the initial-state geometry which might coincide with some jet-like correlation…

High Energy Physics - Phenomenology · Physics 2015-05-30 Thomas A. Trainor

At the very first stage of an ultra-relativistic nucleus-nucleus collision new particles are produced in individual nucleon-nucleon collisions. In the transverse plane, all particles from a single $NN$ collision are initially located at the…

Nuclear Theory · Physics 2009-11-10 Sergei A. Voloshin

The system size dependence of baryon-strangeness (BS) correlations ($C_{BS}$) are investigated with a multiphase transport (AMPT) model for various collision systems from $\mathrm{^{10}B+^{10}B}$, $\mathrm{^{12}C+^{12}C}$,…

High Energy Physics - Phenomenology · Physics 2021-02-10 D. F. Wang , S. Zhang , Y. G. Ma