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A New Boson with a Mass of 125 GeV Observed with the CMS Experiment at the Large Hadron Collider
CMS Collaboration
2012
发表期刊SCIENCE
卷号338期号:6114页码:1569-1575
通讯作者Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan, Armenia.
摘要The Higgs boson was postulated nearly five decades ago within the framework of the standard model of particle physics and has been the subject of numerous searches at accelerators around the world. Its discovery would verify the existence of a complex scalar field thought to give mass to three of the carriers of the electroweak force-the W+, W-, and Z(0) bosons-as well as to the fundamental quarks and leptons. The CMS Collaboration has observed, with a statistical significance of five standard deviations, a new particle produced in proton-proton collisions at the Large Hadron Collider at CERN. The evidence is strongest in the diphoton and four-lepton (electrons and/or muons) final states, which provide the best mass resolution in the CMS detector. The probability of the observed signal being due to a random fluctuation of the background is about 1 in 3 x 10(6). The new particle is a boson with spin not equal to 1 and has a mass of about 1.25 giga-electron volts. Although its measured properties are, within the uncertainties of the present data, consistent with those expected of the Higgs boson, more data are needed to elucidate the precise nature of the new particle.
关键词MODEL HIGGS-BOSON PP COLLISIONS ROOT-S=7 TEV BROKEN SYMMETRIES WEAK INTERACTIONS GAUGE-THEORIES SEARCH PARTICLES LHC
学科领域Science & Technology - Other Topics
DOI10.1126/science.1230816
收录类别SCI
语种英语
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000312533100042
引用统计
被引频次:44[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/213406
专题粒子天体物理中心
作者单位中国科学院高能物理研究所
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CMS Collaboration. A New Boson with a Mass of 125 GeV Observed with the CMS Experiment at the Large Hadron Collider[J]. SCIENCE,2012,338(6114):1569-1575.
APA CMS Collaboration.(2012).A New Boson with a Mass of 125 GeV Observed with the CMS Experiment at the Large Hadron Collider.SCIENCE,338(6114),1569-1575.
MLA CMS Collaboration."A New Boson with a Mass of 125 GeV Observed with the CMS Experiment at the Large Hadron Collider".SCIENCE 338.6114(2012):1569-1575.
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