Work

Simulation of a ( 3 + 1 ) D glasma in Milne coordinates: Topological charge, eccentricity, and angular momentum

Year: 2024

Type: article

Abstract: We apply the 3D glasma simulation method using Milne coordinates, proposed in our previous work [H. Matsuda and X.-G. Huang, [] ], to the early stage of the Au-Au collisions at s NN = 200 GeV . The nucleus model prior to the collisions, which offers the initial condition for the 3D glasma simulation, is constructed to account for the longitudinal structure of the nucleus, the finite thickness of nucleons, and their random positions along the collision axis. We investigate rapidity profiles for a wide range of physical quantities of the glasma, including energy, pressure, fluctuations of topological charge, eccentricity, and angular momentum. In particular, we elucidate the behavior of eccentricity and angular momentum, which are physical quantities dependent on the geometric shape of the glasma, across a wide range of impact parameter regions. Published by the American Physical Society 2024

Source: Physical review. D/Physical review. D.

DOI: 10.1103/physrevd.110.114032

Authors: Hidefumi Matsuda, Xu-Guang Huang

Institutions: Zhejiang University, National Natural Science Foundation of China, Fudan University

Language: English

Topic: High-Energy Particle Collisions Research

Subfield: Nuclear and High Energy Physics

Field: Physics and Astronomy

Domain: Physical Sciences

Open Access status: hybrid

Funders: Natural Science Foundation of Shanghai, National Natural Science Foundation of China, National Key Research and Development Program of China

Awards: G2652705316, G3030300266, G388551598, G4917834128, G5987732974