4.8 Article

A New Boson with a Mass of 125 GeV Observed with the CMS Experiment at the Large Hadron Collider

Journal

SCIENCE
Volume 338, Issue 6114, Pages 1569-1575

Publisher

AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1230816

Keywords

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Funding

  1. Austrian Federal Ministry of Science and Research
  2. Belgian Fonds de la Recherche Scientifique
  3. Fonds voor Wetenschappelijk Onderzoek
  4. Conselho Nacional de Desenvolvimento Cientifico e Technologico(CNPq)
  5. Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES)
  6. Fundacao de Amparo a Pesquisa do Estado do Rio de Janeiro (FAPERJ)
  7. Fundacao de Amparo a Pesquisa do Estado do Sao Paulo (FAPESP)
  8. Bulgarian Ministry of Education, Youth, and Science
  9. CERN
  10. Chinese Academy of Sciences
  11. Ministry of Science and Technology
  12. National Natural Science Foundation of China
  13. Colombian funding agency (COLCIENCIAS, Departamento Administrativo de Ciencia, Tecnologia, e Innovacion)
  14. Croatian Ministry of Science, Education, and Sport
  15. Research Promotion Foundation, Cyprus
  16. Ministry of Education and Research, Recurrent [SF0690030s09]
  17. European Regional Development Fund, Estonia
  18. Academy of Finland
  19. Finnish Ministry of Education and Culture
  20. Helsinki Institute of Physics
  21. Institut National de Physique Nucleaire et de Physique des Particules-CNRS
  22. Commissariat a l'Energie Atomique et aux Energies Alternatives-CEA, France
  23. Bundesministerium fur Bildung und Forschung
  24. Deutsche Forschungsgemeinschaft
  25. Helmholtz-Gemeinschaft Deutscher Forschungszentren, Germany
  26. General Secretariat for Research and Technology, Greece
  27. National Scientific Research Foundation
  28. National Office for Research and Technology, Hungary
  29. Department of Atomic Energy and the Department of Science and Technology, India
  30. Institute for Studies in Theoretical Physics and Mathematics, Iran
  31. Science Foundation, Ireland
  32. Istituto Nazionale di Fisica Nucleare, Italy
  33. Korean Ministry of Education, Science and Technology
  34. World Class University program of NRF, Republic of Korea
  35. Lithuanian Academy of Sciences
  36. Centro de Investigacion y Estudios Avanzados
  37. CINVESTAV
  38. Consejo Nacional de Ciencia y Technologia (CONACYT)
  39. Secretaria de Educacion P blica (SEP)
  40. Universidad Autonoma de San Luis Potosi Fondo de Apoyo a la Investigacion (UASLP-FAI)
  41. Ministry of Science and Innovation, New Zealand
  42. Pakistan Atomic Energy Commission
  43. Ministry of Science and Higher Education
  44. National Science Centre, Poland
  45. Fundacao para a Ciencia e a Tecnologia, Portugal
  46. JINR (Joint Institute for Nuclear Research) (Armenia, Belarus, Georgia, Ukraine, Uzbekistan)
  47. Ministry of Education and Science of the Russian Federation
  48. Federal Agency of Atomic Energy of the Russian Federation
  49. Russian Academy of Sciences
  50. Russian Foundation for Basic Research
  51. Ministry of Science and Technological Development of Serbia
  52. Secretaria de Estado de Investigacion, Desarrollo, e Innovacion and Programa Consolider-Ingenio, Spain
  53. Eidgenossische Technische Hochschule (ETH) Board
  54. ETH Zurich
  55. Paul Scherrer Institut (PSI)
  56. Swiss National Science Foundation
  57. Universitat Zurich
  58. Canton Zurich
  59. State Secretariat for Education and Research (SER)
  60. National Science Council, Taipei
  61. Thailand Center of Excellence in Physics
  62. Institute for the Promotion of Teaching Science and Technology of Thailand
  63. National Science and Technology Development Agency of Thailand
  64. Scientific and Technical Research Council of Turkey
  65. Turkish Atomic Energy Authority
  66. Science and Technology Facilities Council, UK
  67. U.S. Department of Energy
  68. NSF
  69. STFC [ST/H00081X/2, ST/G502347/1, ST/L001225/1, ST/F006748/1, ST/K000616/1, ST/J004820/1, ST/I000410/1, ST/I005912/1, ST/J005665/1, ST/I002839/1, ST/F007094/1, ST/G502412/1, ST/J004901/1, PP/E002722/1, ST/I002200/1, ST/I505572/1, ST/J005614/1, ST/K001604/1] Funding Source: UKRI
  70. Science and Technology Facilities Council [ST/K001604/1 CMS Upgrade, ST/K001256/1, PP/E002722/1, ST/K001604/1 SuperNEMO, ST/H00081X/2, ST/J005665/1, ST/K001604/1 LHCb, ST/L001225/1, ST/I000410/1, ST/I505572/1, ST/J004901/1, ST/K000616/1, ST/I002839/1, ST/K001604/1 T2K, ST/K001604/1, ST/F007094/1, ST/G502412/1, ST/I005912/1, ST/I005912/1 GRIDPP, ST/J004820/1, ST/I002200/1, ST/F006748/1, CMS, ST/G502347/1, ST/K001604/1 DMUK, ST/K001604/1 LHCb Upgrades, ST/K001604/1 GRIDPP, ST/J005614/1, ST/K001604/1 MICE/UKNF] Funding Source: researchfish
  71. Direct For Mathematical & Physical Scien
  72. Division Of Physics [1066578] Funding Source: National Science Foundation

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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.

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