4.8 Article

Search for the Standard Model Higgs Boson in the Diphoton Decay Channel with 4.9 fb-1 of pp Collision Data at √s=7 TeV with ATLAS

Journal

PHYSICAL REVIEW LETTERS
Volume 108, Issue 11, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.108.111803

Keywords

-

Funding

  1. ANPCyT, Argentina
  2. YerPhI, Armenia
  3. ARC, Australia
  4. BMWF, Austria
  5. ANAS, Azerbaijan
  6. SSTC, Belarus
  7. CNPq Brazil
  8. FAPESP, Brazil
  9. NSERC Canada
  10. NRC Canada
  11. CFI, Canada
  12. CERN
  13. CONICYT, Chile
  14. CAS China
  15. MOST China
  16. NSFC, China
  17. COLCIENCIAS, Colombia
  18. MSMT CR Czech Republic
  19. MPO CR Czech Republic
  20. VSC CR, Czech Republic
  21. DNRF Denmark
  22. DNSRC Denmark
  23. Lundbeck Foundation, Denmark
  24. ARTEMIS European Union
  25. ERC, European Union
  26. IN2P3-CNRS France
  27. CEA-DSM/IRFU, France
  28. GNAS, Georgia
  29. BMBF Germany
  30. GSRT, Greece
  31. ISF Israel
  32. MINERVA Israel
  33. GIF Israel
  34. DIP Israel
  35. Benoziyo Center, Israel
  36. INFN, Italy
  37. MEXT Japan
  38. JSPS, Japan
  39. CNRST, Morocco
  40. FOM Netherlands
  41. NWO, Netherlands
  42. RCN, Norway
  43. MNiSW, Poland
  44. GRICES Portugal
  45. FCT, Portugal
  46. MERYS (MECTS), Romania
  47. MES of Russia
  48. ROSATOM
  49. JINR
  50. MSTD, Serbia
  51. MSSR, Slovakia
  52. ARRS Slovenia
  53. MVZT, Slovenia
  54. DST/NRF, South Africa
  55. MICINN, Spain
  56. SRC Sweden
  57. Wallenberg Foundation, Sweden
  58. SER Switzerland
  59. SNSF Switzerland
  60. Cantons of Bern, Switzerland
  61. NSC, Taiwan
  62. TAEK, Turkey
  63. STFC United Kingdom
  64. Royal Society United Kingdom
  65. Leverhulme Trust, United Kingdom
  66. DOE United States of America
  67. NSF, United States of America
  68. Cantons of Geneva, Switzerland
  69. Russian Federation
  70. STFC [PP/E000347/1, ST/I003517/1, ST/L001144/1, ST/H001093/2, ST/J004928/1, ST/K001337/1, ST/H001026/2, PP/E003699/1, ST/M001512/1, ST/K00073X/1, ST/K001248/1, ST/M001431/1, ST/K001329/1, ST/J002798/1, ST/I000186/1, PP/E003087/1, ST/I005803/1, ST/I003525/1, ST/K001361/1, ST/H001069/2, ST/J005576/1, PP/E003699/2, ST/J004944/1, ST/F007337/1, ST/M000753/1, ST/I003142/1, ST/H001026/1, ST/H001093/1, ST/I006080/1, ST/G502320/1] Funding Source: UKRI
  71. Science and Technology Facilities Council [ST/J004928/1 ATLAS Upgrade, ST/K001361/1 LHCb, ST/J002798/1, ST/K001248/1 ATLAS, ST/K001361/1 ATLAS Upgrades, ST/F007337/1, ST/K00073X/1, GRIDPP, PP/E003699/2, ST/L001144/1, ST/I003517/1, PP/E003087/1, ST/J004928/1, ST/I006080/1, ST/K001337/1 ATLAS, ST/I000186/1, ST/J005576/1, ATLAS, PP/E000347/1, ST/K001361/1 LHCb Upgrades, ST/H001093/1, ST/K001361/1, ST/K001337/1, ST/K001264/1 ATLAS, ST/I005803/1 GRIDPP, ST/K001248/1, ST/K001361/1 ATLAS, ST/I003525/1, ST/K001329/1 ATLAS, ST/I003142/1, ST/M001474/1, ST/I005803/1, ST/H001026/2, ST/K001361/1 MINOS/MINOS+, ST/H001069/2, ST/H001026/1, ST/M001512/1, ST/M001431/1, PP/E003699/1, ST/G502320/1, ST/H001093/2, ST/J004944/1, ST/K001418/1] Funding Source: researchfish
  72. Direct For Mathematical & Physical Scien
  73. Division Of Physics [0955626] Funding Source: National Science Foundation
  74. ICREA Funding Source: Custom

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A search for the standard model Higgs boson is performed in the diphoton decay channel. The data used correspond to an integrated luminosity of 4.9 fb(-1) collected with the ATLAS detector at the Large Hadron Collider in proton-proton collisions at a center-of-mass energy of root s = 7 TeV. In the diphoton mass range 110-150 GeV, the largest excess with respect to the background-only hypothesis is observed at 126.5 GeV, with a local significance of 2.8 standard deviations. Taking the look-elsewhere effect into account in the range 110-150 GeV, this significance becomes 1.5 standard deviations. The standard model Higgs boson is excluded at 95% confidence level in the mass ranges of 113-115 GeV and 134.5-136 GeV.

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