4.7 Article

Search for new phenomena in photon plus jet events collected in proton-proton collisions at √s=8 TeV with the ATLAS detector

Journal

PHYSICS LETTERS B
Volume 728, Issue -, Pages 562-578

Publisher

ELSEVIER
DOI: 10.1016/j.physletb.2013.12.029

Keywords

-

Funding

  1. ANPCyT, Argentina
  2. YerPhl, Armenia
  3. ARC, Australia
  4. BMWF
  5. FWF, Austria
  6. ANAS, Azerbaijan
  7. SSTC, Belarus
  8. CNPq
  9. FAPESP, Brazil
  10. NSERC
  11. NRC
  12. CFI, Canada
  13. CERN
  14. CONICYT, Chile
  15. CAS
  16. VSC CR
  17. Czech Republic
  18. DNRF
  19. DNSRC
  20. Lundbeck Foundation, Denmark
  21. EPLANET
  22. ERC
  23. NSRF
  24. European Union
  25. IN2P3-CNRS
  26. CEA-DSM/IRFU, France
  27. GNSF, Georgia
  28. BMBF
  29. DFG
  30. HGF
  31. MPG
  32. AvH Foundation, Germany
  33. GSRT
  34. NSRF, Greece
  35. ISF
  36. MINERVA
  37. GIF
  38. DIP
  39. Benoziyo Center, Israel
  40. INFN, Italy
  41. MEXT
  42. JSPS, Japan
  43. CNRST, Morocco
  44. FOM
  45. NWO, Netherlands
  46. BRF
  47. RCN, Norway
  48. MNiSW, Poland
  49. GRICES
  50. FCT, Portugal
  51. MERYS (MECTS), Romania
  52. MES of Russia
  53. ROSATOM, Russian Federation
  54. JINR
  55. MSTD, Serbia
  56. MSSR, Slovakia
  57. ARRS
  58. MVZT, Slovenia
  59. DST/NRF, South Africa
  60. MICINN, Spain
  61. SRC
  62. Wallenberg Foundation, Sweden
  63. SER
  64. SNSF
  65. Cantons of Bern
  66. Geneva, Switzerland
  67. NSC, Taiwan
  68. TAEK, Turkey
  69. STFC
  70. Royal Society
  71. Leverhulme Trust, United Kingdom
  72. DOE
  73. NSF, United States of America
  74. ICREA Funding Source: Custom
  75. STFC [ST/H001042/1, ST/K000659/1, ST/H00100X/1, ST/J004936/1, PP/E000355/1, ST/J004928/1, ST/I005811/1, ST/K50208X/1, ST/K003658/1, ST/J004804/1, ST/G502320/1, PP/E000487/1, ST/I006080/1, ST/L001004/1, ST/L001195/1, ST/F00754X/1, ST/H001093/1, ST/K003496/1, ST/K501840/1, ST/H001026/1, ST/K000640/1, ST/M000753/1, ST/F007418/1, PP/E002757/1, ST/H00095X/1, ST/K000705/1, ST/K000039/1, ST/J501074/1, ST/J500641/1, ST/M003213/1, ST/I000119/1, ST/M000664/1, ST/L006111/1, ST/L000970/1, ST/K00140X/1, ST/F007337/1, ST/H001042/2, ST/J004944/1, ST/L003325/1, ST/L003511/1, ST/K003895/1, PP/E003699/2, ST/L00352X/1, ST/J005568/1, ST/M000761/1, ST/J005576/1, ST/H001069/2, ST/J004979/1, ST/K000713/1, ST/K001361/1, ST/H00095X/2, ST/I005803/1, ST/J005460/1, PP/E003087/1, ST/I000186/1, ST/L003112/1, ST/K001388/1, ST/J002798/1, ST/K001329/1, ST/M001431/1, ST/I505756/1, ST/K003437/1, ST/I003533/1, ST/H001093/2, ST/K001248/1, ST/J005541/1, ST/K00073X/1, ST/K00137X/1, ST/M001512/1, PP/E003699/1, ST/H001026/2, ST/K001337/1, PP/E000347/1, ST/H00100X/2, ST/L001144/1] Funding Source: UKRI
  76. Science and Technology Facilities Council [ST/I005811/1, ST/L003325/1, PP/E000347/1, ST/K001361/1 LHCb Upgrades, ST/L003112/1, ST/L00352X/1, ST/H001042/1, ST/H001042/2, ST/H001093/1, ST/K001361/1, ST/K501840/1, ST/K001337/1, ST/K001264/1 ATLAS, ST/H00095X/2, ST/I000119/1, ST/I005803/1 GRIDPP, ST/M000761/1, ST/K001248/1, ST/K001361/1 ATLAS, ST/K00140X/1 ATLAS, ST/M003213/1, ST/L001195/1, PP/E002757/1, ST/K000659/1, ST/L000970/1 ATLAS Upgrade, ST/K003658/1 GRIDPP, ST/M002071/1 ATLAS Upgrades, ST/K001329/1 ATLAS, PP/E000487/1, ST/M001474/1, ST/M000664/1, ST/J501074/1, ST/K003658/1, ST/J004804/1, ST/I005803/1, ST/M007103/1 ATLAS Upgrades, ST/H001026/2, ST/K001310/1 ATLAS, ST/K001361/1 MINOS/MINOS+, ST/H001069/2, ST/H001026/1, ST/L001004/1, ST/M001512/1, ST/M001431/1, PP/E003699/1, ST/G502320/1, ST/L001209/1 ATLAS Upgrades, ST/K00137X/1, ST/K501840/1 GRIDPP, ST/H00095X/1, ST/H001093/2, ST/K000039/1, ST/K003437/1 GRIDPP, ST/J004944/1, ST/K001418/1, ST/K003895/1, ATLAS, ST/K00140X/1, ST/K001426/1 ATLAS, ST/K001310/1 LHCb, ST/L003511/1, ST/J004928/1 ATLAS Upgrade, ST/K001361/1 LHCb, ST/L000970/1, ST/F007418/1, ST/H00100X/1, ST/J002798/1, ST/K50208X/1, PP/E000355/1, ST/K003496/1 GRIDPP, ST/K001361/1 ATLAS Upgrades, ST/F007337/1, ST/K001310/1 ATLAS Upgrades, ST/I003533/1, ST/I505756/1, ST/K000713/1, ST/K000705/1, ST/J005576/1, ST/K001310/1 LHCb Upgrades, ST/K003496/1, ST/K001388/1, ST/I000186/1, ST/J005568/1, ST/K001337/1 ATLAS, ST/I006080/1, ST/J004928/1, PP/E003087/1, ST/H00100X/2, ST/L001144/1, ST/J500641/1, ST/J005541/1, ST/F00754X/1, ST/L006111/1, ST/K001310/1, ST/J004936/1, ST/K003437/1, PP/E003699/2, GRIDPP, ST/J005460/1, ST/K00073X/1, ST/J004979/1] Funding Source: researchfish
  77. Division Of Physics
  78. Direct For Mathematical & Physical Scien [1119200] Funding Source: National Science Foundation
  79. Division Of Physics
  80. Direct For Mathematical & Physical Scien [1206092] Funding Source: National Science Foundation

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This Letter describes a model-independent search for the production of new resonances in photon + jet (gamma + jet) events using 20 fb(-1) of proton-proton LHC data recorded with the ATLAS detector at a centre-of-mass energy of root s = 8 TeV. The gamma + jet mass distribution is compared to a background model fit from data; no significant deviation from the background-only hypothesis is found. Limits are set at 95% credibility level on generic Gaussian-shaped signals and two benchmark phenomena beyond the Standard Model: non-thermal quantum black holes and excited quarks. Non-thermal quantum black holes are excluded below masses of 4.6 TeV and excited quarks are excluded below masses of 3.5 TeV. (C) 2013 The Authors. Published by Elsevier B.V. All rights reserved.

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