4.4 Article

Search for Higgs boson production in association with a high-energy photon via vector-boson fusion with decay into bottom quark pairs at √s=13 TeV with the ATLAS detector

Journal

JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 3, Pages -

Publisher

SPRINGER
DOI: 10.1007/JHEP03(2021)268

Keywords

Hadron-Hadron scattering (experiments); Higgs physics

Funding

  1. ANPCyT, Argentina
  2. YerPhI, Armenia
  3. ARC, Australia
  4. BMWFW, Austria
  5. FWF, Austria
  6. ANAS, Azerbaijan
  7. SSTC, Belarus
  8. CNPq, Brazil
  9. FAPESP, Brazil
  10. NSERC, Canada
  11. NRC, Canada
  12. CFI, Canada
  13. CERN
  14. ANID, Chile
  15. CAS, China
  16. MOST, China
  17. NSFC, China
  18. COLCIENCIAS, Colombia
  19. MSMT CR, Czech Republic
  20. MPO CR, Czech Republic
  21. VSC CR, Czech Republic
  22. DNRF, Denmark
  23. DNSRC, Denmark
  24. IN2P3-CNRS, France
  25. CEA-DRF/IRFU, France
  26. SRNSFG, Georgia
  27. BMBF, Germany
  28. HGF, Germany
  29. MPG, Germany
  30. GSRT, Greece
  31. RGC, China
  32. Hong Kong SAR, China
  33. ISF, Israel
  34. Benoziyo Center, Israel
  35. INFN, Italy
  36. MEXT, Japan
  37. JSPS, Japan
  38. CNRST, Morocco
  39. NWO, Netherlands
  40. RCN, Norway
  41. MNiSW, Poland
  42. NCN, Poland
  43. FCT, Portugal
  44. MNE/IFA, Romania
  45. JINR
  46. MES of Russia, Russian Federation
  47. NRC KI, Russian Federation
  48. MESTD, Serbia
  49. MSSR, Slovakia
  50. ARRS, Slovenia
  51. MIZS, Slovenia
  52. DST/NRF, South Africa
  53. MICINN, Spain
  54. SRC, Sweden
  55. Wallenberg Foundation, Sweden
  56. SERI, Switzerland
  57. SNSF, Switzerland
  58. Canton of Bern, Switzerland
  59. Canton of Geneva, Switzerland
  60. MOST, Taiwan
  61. TAEK, Turkey
  62. STFC, United Kingdom
  63. DOE, United States of America
  64. NSF, United States of America
  65. BCKDF, Canada
  66. CANARIE, Canada
  67. Compute Canada, Canada
  68. CRC, Canada
  69. IVADO, Canada
  70. Beijing Municipal Science AMP
  71. Technology Commission, China
  72. COST, European Union
  73. ERC, European Union
  74. ERDF, European Union
  75. Horizon 2020, European Union
  76. Marie Sklodowska-Curie Actions, European Union
  77. Investissements d'Avenir Labex, France
  78. Investissements d'Avenir Idex, France
  79. ANR, France
  80. DFG, Germany
  81. AvH Foundation, Germany
  82. Herakleitos programme - EU-ESF
  83. Thales programme - EU-ESF
  84. Aristeia programme - EU-ESF
  85. Greek NSRF, Greece
  86. BSF-NSF, Israel
  87. GIF, Israel
  88. La Caixa Banking Foundation, Spain
  89. CERCA Programme Generalitat de Catalunya, Spain
  90. PROMETEO Programme Generalitat Valenciana, Spain
  91. GenT Programme Generalitat Valenciana, Spain
  92. Goran Gustafssons Stiftelse, Sweden
  93. The Royal Society, United Kingdom
  94. Leverhulme Trust, United Kingdom
  95. Science and Technology Facilities Council [ST/S000879/1] Funding Source: researchfish

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A search was conducted for the production of the Standard Model Higgs boson in association with a high-energy photon, with a focus on specific decay processes. The observed significance of the signal was higher than expected.
A search is presented for the production of the Standard Model Higgs boson in association with a high-energy photon. With a focus on the vector-boson fusion process and the dominant Higgs boson decay into b-quark pairs, the search benefits from a large reduction of multijet background compared to more inclusive searches. Results are reported from the analysis of 132 fb(-1) of pp collision data at root s = 13 TeV collected with the ATLAS detector at the LHC. The measured Higgs boson signal yield in this final-state signature is 1.3 +/- 1.0 times the Standard Model prediction. The observed significance of the Higgs boson signal above the background is 1.3 standard deviations, compared to an expected significance of 1.0 standard deviations.

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