4.4 Article

Measurement of the inclusive isolated-photon cross section in pp collisions at √s=13 TeV using 36 fb-1 of ATLAS data

Journal

JOURNAL OF HIGH ENERGY PHYSICS
Volume -, Issue 10, Pages -

Publisher

SPRINGER
DOI: 10.1007/JHEP10(2019)203

Keywords

Hadron-Hadron scattering (experiments); Photon production; QCD

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. CONICYT, 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
  25. CEA-DRF/IRFU, France
  26. SRNSFG, Georgia
  27. BMBF, Germany
  28. HGF, Germany
  29. MPG, Germany
  30. GSRT, Greece
  31. RGC, Hong Kong SAR, China
  32. ISF, Israel
  33. Benoziyo Center, Israel
  34. INFN, Italy
  35. MEXT, Japan
  36. JSPS, Japan
  37. CNRST, Morocco
  38. NWO, Netherlands
  39. RCN, Norway
  40. MNiSW, Poland
  41. NCN, Poland
  42. FCT, Portugal
  43. MNE/IFA, Romania
  44. MES of Russia, Russian Federation
  45. NRC KI, Russian Federation
  46. JINR
  47. MESTD, Serbia
  48. MSSR, Slovakia
  49. ARRS, Slovenia
  50. MIZ S, Slovenia
  51. DST/NRF, South Africa
  52. MINECO, Spain
  53. SRC, Sweden
  54. Wallenberg Foundation, Sweden
  55. SERI, Switzerland
  56. SNSF, Switzerland
  57. Canton of Bern, Switzerland
  58. Canton of Geneva, Switzerland
  59. MOST, Taiwan
  60. TAEK, Turkey
  61. STFC, United Kingdom
  62. DOE, United States of America
  63. NSF, United States of America
  64. BCKDF, Canada
  65. CANARIE, Canada
  66. CRC, Canada
  67. Compute Canada, Canada
  68. COST, European Union
  69. ERC, European Union
  70. ERDF, European Union
  71. Horizon 2020, European Union
  72. Marie Sklodowska-Curie Actions, European Union
  73. Investissement d' Avenir Labex, ANR, France
  74. Investissement d' Avenir Idex, ANR, France
  75. DFG, Germany
  76. AvH Foundation, Germany
  77. Herakleitos programme - EU-ESF
  78. Thales programme - by EU-ESF
  79. Aristeia programme - EU-ESF
  80. Greek NSRF, Greece
  81. BSF-NSF, Israel
  82. GIF, Israel
  83. CERCA Programme Generalitat de Catalunya, Spain
  84. Royal Society, United Kingdom
  85. Leverhulme Trust, United Kingdom
  86. STFC [ST/N000331/1, ST/S00095X/1, ST/L006162/1, 1852475, ST/N000307/1, ST/N000463/1, ST/P002439/1] Funding Source: UKRI
  87. Science and Technology Facilities Council [ST/N000331/1] Funding Source: researchfish

Ask authors/readers for more resources

The differential cross section for isolated-photon production in pp collisions is measured at a centre-of-mass energy of 13 TeV with the ATLAS detector at the LHC using an integrated luminosity of 36.1 fb(-1). The differential cross section is presented as a function of the photon transverse energy in different regions of photon pseudorapidity. The differential cross section as a function of the absolute value of the photon pseudorapidity is also presented in different regions of photon transverse energy. Next-to-leading-order QCD calculations from Jetphox and Sherpa as well as next-to-next-to-leading-order QCD calculations from Nnlojet are compared with the measurement, using several parameterisations of the proton parton distribution functions. The predictions provide a good description of the data within the experimental and theoretical uncertainties.

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