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A new Boson with a mass of 125 GeV observed with the CMS experiment at the large hadron collider

  • The CMS collaboration

Araştırma sonucu: Dergiye katkıMakalebilirkişi

85 Atıf (Scopus)

Özet

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 106. 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.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)1569-1575
Sayfa sayısı7
DergiScience
Hacim338
Basın numarası6114
DOI'lar
Yayın durumuYayınlandı - 21 Ara 2012
Harici olarak yayınlandıEvet

Finansman

FinansörlerFinansör numarası
???publication-publication-funding-organisation-not-added???ST/H00081X/2
National Science Foundation1066578
Science and Technology Facilities CouncilPP/E002722/1, ST/F006748/1, ST/I000410/1, ST/J004901/1, ST/G502347/1, ST/K001256/1, CMS, ST/J005614/1, ST/I002839/1, ST/K000616/1, ST/L001225/1, ST/G502412/1, ST/I002200/1, ST/I505572/1, ST/I005912/1, ST/J004820/1, ST/J005665/1, ST/K001604/1, ST/F007094/1
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung123501, 138111

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