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引用次数: 0
摘要
摘要全局超子极化和各向异性横向流是研究相对论重离子碰撞中产生的强相互作用物质性质的重要观测指标。前者提供了非中心碰撞中初始角动量的信息，后者包含了重叠区早期演化和状态方程的信息。研究 NICA 能量下的这两种效应是 MPD 实验的一个重要目标。在这项工作中，我们研究了Λ超子的全局极化及其与用PHSD（粒子-重子-弦动力学）模型在Bi + Bi碰撞中产生的强相互作用物质的定向流的相关性。
Global Polarization of Λ Hyperons and Its Correlation with the Directed Flow at NICA Energies
Abstract
Global hyperon polarization and anisotropic transverse flow are important observables for studying the properties of the strongly interacting matter produced in relativistic heavy ion collisions. The former provides information about the initial angular momentum in the non-central collisions and the latter contains information about the early evolution of the overlap region and the equation of state. Investigating of both effects at NICA energies is an important goal of the MPD experiment. In this work we study the global polarization of Λ hyperons and its correlation with the directed flow of the strongly interacting matter produced in the Bi + Bi collisions at \(\sqrt {{{s}_{{NN}}}} \) = 9.2 GeV generated with the PHSD (Parton–Hadron–String Dynamics) model.
期刊介绍：
The journal Fizika Elementarnykh Chastits i Atomnogo Yadr of the Joint Institute for Nuclear Research (JINR, Dubna) was founded by Academician N.N. Bogolyubov in August 1969. The Editors-in-chief of the journal were Academician N.N. Bogolyubov (1970–1992) and Academician A.M. Baldin (1992–2001). Its English translation, Physics of Particles and Nuclei, appears simultaneously with the original Russian-language edition. Published by leading physicists from the JINR member states, as well as by scientists from other countries, review articles in this journal examine problems of elementary particle physics, nuclear physics, condensed matter physics, experimental data processing, accelerators and related instrumentation ecology and radiology.
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