Two-particle correlation function and dihadron correlation approach

Vechernin V. V.; Ivanov K. O.; Neverov D. I.

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Two-particle correlation function and dihadron correlation approach

机译：二粒子相关函数和二面体相关方法

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It is shown that, in the case of asymmetric nuclear interactions, the application of the traditional dihadron correlation approach to determining a two-particle correlation function C may lead to a form distorted in relation to the canonical pair correlation function (C) (2). This result was obtained both by means of exact analytic calculations of correlation functions within a simple string model for proton-nucleus and deuteron-nucleus collisions and by means of Monte Carlo simulations based on employing the HIJING event generator. It is also shown that the method based on studying multiplicity correlations in two narrow observation windows separated in rapidity makes it possible to determine correctly the canonical pair correlation function C (2) for all cases, including the case where the rapidity distribution of product particles is not uniform.

机译：结果表明，在不对称核相互作用的情况下，传统的二面体相关方法在确定两粒子相关函数C上的应用可能导致相对于规范对相关函数（C）变形的形式（2）。通过对质子核和氘核碰撞的简单字符串模型中的相关函数进行精确的解析计算，以及基于HIJING事件生成器的蒙特卡罗模拟，都可以得到此结果。还表明，基于在两个快速分离的窄观察窗中研究多重相关性的方法，可以正确确定所有情况下的规范对相关函数C（2），包括产品粒子的速度分布为不统一。

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《Physics of atomic nuclei》 |2016年第5期|共9页
作者
Vechernin V. V.; Ivanov K. O.; Neverov D. I.;
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正文语种 eng
中图分类原子物理学;原子核物理学、高能物理学;
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1. Two-particle correlation function and dihadron correlation approach [J] . Vechernin V. V., Ivanov K. O., Neverov D. I. Physics of atomic nuclei . 2016,第5期

机译：二粒子相关函数和二面体相关方法
2. Dihadron fragmentation functions and high p(T) hadron-hadron correlations [J] . Majumder A Journal of Physics, G. Nuclear and Particle Physics: An Institute of Physics Journal . 2004,第8期

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3. Dynamical-quantum-cluster approach to two-particle correlation functions in the Hubbard model [J] . S. Hochkeppel, F. F. Assaad, W. Hanke Physical review . 2008,第20期

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4. STATISTICAL THEORY OF THE SASE FEL BASED ON THE TWO-PARTICLE CORRELATION FUNCTION EQUATION [C] . O.A. Shevchenko, N.A. Vinokurov Free Electron Laser Conference . 2010

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Two-particle correlation function and dihadron correlation approach

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