A new analytical method for testing quantum entanglement in decay
- 作者：Mingshu Cong ; Zijun Xu ; Siguang Wang ; siguang@pku.edu.cn ; Zhongming Qu ; Jiangbo Wei
- 关键词：Particle decay ; Quantum entanglement ; Bell's inequality ; Particle physics ; Kolmogorov&ndash ; Smirnov test ; Monte Carlo simulation
- 刊名：Nuclear Instruments and Methods in Physics Research Section A ; Accelerators ; Spectrometers ; Detectors and Associated Equipment
- 出版年：2012
- 期刊代码：41_01689002
- 类别：ph
- 出版时间：1 July, 2012
- 卷：679
- 期：Complete
- 页码：14-18
- 文件大小：1232 K
摘要
As the basic criterion of the validity of quantum mechanics, Bell's inequality has aroused wide theoretical and experimental interest. With the accumulation of an increasing number of events in high-energy physics, it is tempting to test Bell's inequality directly in particle physics. In this paper, we choose the PVV decay to reveal entanglement between daughter particles. On the basis of quantum mechanics predictions in the literature, we present a statistical method that can fully utilize the data available. A Monte Carlo simulation was carried to study the effects of detector geometry, detector efficiency and momentum resolution.