Lambda polarization in 108Ag+108Ag and 197Au+197Au collisions around a few GeV

Within the framework of Ultra-relativistic Quantum Molecular Dynamics (UrQMD) model, we extract the global spin polarization of Λ hyperon in 108Ag+108Ag and 197 Au+197Au collisions at sNN=2.42–62.4 GeV. We use two different approaches to calculate the Λ polarization Py: approach I is based on equili...

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Bibliographic Details
Main Authors: Xian-Gai Deng, Xu-Guang Huang, Yu-Gang Ma
Format: Article
Language:English
Published: Elsevier 2022-12-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269322006943