A Particle Consistent with the Higgs Boson Observed with the ATLAS Detector at the Large Hadron Collider
A Particle Consistent with the Higgs Boson Observed with the ATLAS Detector at the Large Hadron Collider
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DOI：
10.1126/science.1232005
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发表时间：
2012-12-21
期刊：
影响因子：
56.9
通讯作者：
Zwalinski, L.
中科院分区：
文献类型：
--
作者：
Aad, G.;Abajyan, T.;Zwalinski, L.
大约50年前，理论物理学家提出，有一个场弥漫在宇宙中，并为真空提供能量。这个场被用来解释为什么一些而不是所有的基本粒子都有质量。近几十年来，无数的精确测量为这个场的存在提供了间接的支持，但是尽管经过了30年的实验研究，这个理论的一个关键预测仍然没有得到证实：一个大质量粒子的存在，标准模型希格斯玻色子。欧洲核子研究中心大型强子对撞机的ATLAS实验现在已经观察到一种新粒子的产生，其质量为126千兆电子伏，衰变特征与希格斯粒子的预期一致。这一结果有力地支持了粒子物理学的标准模型，包括真空场的存在。新发现的粒子的存在和性质也可能产生超出标准模型本身的后果。
Nearly 50 years ago, theoretical physicists proposed that a field permeates the universe and gives energy to the vacuum. This field was required to explain why some, but not all, fundamental particles have mass. Numerous precision measurements during recent decades have provided indirect support for the existence of this field, but one crucial prediction of this theory has remained unconfirmed despite 30 years of experimental searches: the existence of a massive particle, the standard model Higgs boson. The ATLAS experiment at the Large Hadron Collider at CERN has now observed the production of a new particle with a mass of 126 giga-electron volts and decay signatures consistent with those expected for the Higgs particle. This result is strong support for the standard model of particle physics, including the presence of this vacuum field. The existence and properties of the newly discovered particle may also have consequences beyond the standard model itself.