牛津大学物理学家与欧洲核子研究组织合作，在大型强子对撞机的ATLAS实验中检测到了Z玻色子对表现出量子纠缠的强有力证据1。这些Z玻色子来自希格斯玻色子的衰变，存在时间极其短暂1。该发现代表了迄今为止在最高能级条件下对量子纠缠的观测确认，证实了爱因斯坦所谓的"幽灵般的远距离作用"在大型强子对撞机产生的最暴力碰撞条件下依然存在1。
碰撞实验中的质子能量达到13万亿电子伏特，运动速度为光速的99.99%1。牛津大学教授Alan Barr是最早提出粒子对撞机可用于研究极高能量量子纠缠的研究者之一1。Barr表示："在Z玻色子这样重且短命的粒子中发现纠缠，显示这种量子效应是多么基础和稳健"1。研究成果已发表在《物理评论快报》2026年第137卷第11期1。
Physicists at the University of Oxford and the European Organization for Nuclear Research (CERN) have detected compelling evidence of quantum entanglement in Z boson pairs produced from Higgs boson decay within the ATLAS experiment 1. This marks the highest energy confirmation of quantum entanglement observed under extreme conditions, demonstrating that Einstein's so-called "spooky action at a distance" persists even in the most violent collision conditions generated by the Large Hadron Collider 1.
The Z bosons emerge from Higgs boson decay and exist for only an instant 1. The proton collisions that produced them reached energies of 13 trillion electron volts, with particles traveling at 99.99% the speed of light 1. Professor Alan Barr of Oxford University, one of the earliest researchers to propose that particle colliders could be used to study quantum entanglement at extreme energies, stated: "Finding entanglement in a Z boson—a heavy and short-lived particle—shows how fundamental and robust this quantum effect is" 1. The findings were published in Physical Review Letters, volume 137, issue 11, in 2026 1.
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