Centrality Determination Method in Nuclear Collisions by Using Hadron Calorimeter

IF 0.4 Q4 PHYSICS, PARTICLES & FIELDS

Physics of Particles and Nuclei Letters Pub Date : 2024-08-14 DOI:10.1134/S1547477124700845

D. Idrisov, I. Segal, O. Golosov, A. Taranenko

引用次数: 0

Abstract

Determining centrality is an important task because it allows estimating the size of the collision system in relativistic heavy ion collisions. It provides a tool for comparison of the results from upcoming measurements with the Multi-Purpose Detector (MPD) at NICA with data from other experiments and theoretical model calculations. In this work, a new procedure for centrality determination based on the energy of spectator fragments has been proposed. The validity of the procedure has been checked using the published data from the NA61/SHINE experiment for Pb + Pb collisions at beam momentum p_beam = 13 A GeV/c (\(\sqrt {{{s}_{{NN}}}} \) = 5.2 GeV).

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利用强子量热计确定核碰撞中的中心性方法

确定中心性是一项重要任务，因为它可以估计相对论重离子碰撞中碰撞系统的大小。它提供了一个工具，用于将即将在日本核子中心使用多用途探测器（MPD）进行的测量结果与来自其他实验和理论模型计算的数据进行比较。在这项工作中，提出了一种基于旁观者碎片能量的中心性确定新程序。利用NA61/SHINE实验在束流动量pbeam = 13 A GeV/c（\(\sqrt {{{s}_{{NN}}}} \) = 5.2 GeV）条件下Pb + Pb碰撞的公开数据检验了该程序的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Physics of Particles and Nuclei Letters PHYSICS, PARTICLES & FIELDS-

CiteScore

0.80

自引率

20.00%

发文量

108

期刊介绍： The journal Physics of Particles and Nuclei Letters, brief name Particles and Nuclei Letters, publishes the articles with results of the original theoretical, experimental, scientific-technical, methodological and applied research. Subject matter of articles covers: theoretical physics, elementary particle physics, relativistic nuclear physics, nuclear physics and related problems in other branches of physics, neutron physics, condensed matter physics, physics and engineering at low temperatures, physics and engineering of accelerators, physical experimental instruments and methods, physical computation experiments, applied research in these branches of physics and radiology, ecology and nuclear medicine.