4.8 Article

Search for Direct Top Squark Pair Production in Final States with One Isolated Lepton, Jets, and Missing Transverse Momentum in √s=7 TeV pp Collisions Using 4.7 fb-1 of ATLAS Data

Journal

PHYSICAL REVIEW LETTERS
Volume 109, Issue 21, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.109.211803

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. EPLANET, European Union
  25. ERC, European Union
  26. IN2P3-CNRS, France
  27. CEA-DSM/IRFU, France
  28. GNSF, Georgia
  29. BMBF, Germany
  30. DFG, Germany
  31. HGF, Germany
  32. MPG, Germany
  33. AvH Foundation, Germany
  34. GSRT, Greece
  35. ISF, Israel
  36. MINERVA, Israel
  37. GIF, Israel
  38. DIP, Israel
  39. Benoziyo Center, Israel
  40. INFN, Italy
  41. MEXT, Japan
  42. JSPS, Japan
  43. CNRST, Morocco
  44. FOM, Netherlands
  45. NWO, Netherlands
  46. RCN, Norway
  47. MNiSW, Poland
  48. GRICES, Portugal
  49. FCT, Portugal
  50. MERYS (MECTS), Romania
  51. MES of Russia, Russian Federation
  52. ROSATOM, Russian Federation
  53. JINR
  54. MSTD, Serbia
  55. MSSR, Slovakia
  56. ARRS, Slovenia
  57. MVZT, Slovenia
  58. DST/NRF, South Africa
  59. MICINN, Spain
  60. SRC, Sweden
  61. Wallenberg Foundation, Sweden
  62. SER, Switzerland
  63. SNSF, Switzerland
  64. Cantons of Bern, Switzerland
  65. Cantons of Geneva, Switzerland
  66. NSC, Taiwan
  67. TAEK, Turkey
  68. STFC, United Kingdom
  69. Royal Society, United Kingdom
  70. Leverhulme Trust, United Kingdom
  71. DOE, United States of America
  72. NSF, United States of America
  73. ICREA Funding Source: Custom
  74. Science and Technology Facilities Council [ST/K501840/1 GRIDPP, ST/H001093/2, ST/J004944/1, ST/K001418/1, ATLAS, ST/K00140X/1, ST/K001310/1 LHCb, ST/J004928/1 ATLAS Upgrade, ST/K001361/1 LHCb, ST/H00100X/1, ST/J002798/1, ST/K001248/1 ATLAS, PP/E000355/1, ST/K001361/1 ATLAS Upgrades, ST/F007337/1, ST/K001310/1 ATLAS Upgrades, ST/K00073X/1, ST/J005460/1, ST/I005811/1, PP/E000347/1, ST/K001361/1 LHCb Upgrades, ST/H001042/1, ST/H001042/2, ST/H001093/1, ST/K001361/1, ST/K501840/1, ST/K001337/1, ST/K001264/1 ATLAS, ST/I005803/1 GRIDPP, ST/M000761/1, ST/K001248/1, ST/K001361/1 ATLAS, ST/K00140X/1 ATLAS, ST/L001195/1, ST/I003525/1, PP/E002757/1, ST/K001329/1 ATLAS, ST/I003142/1, ST/M001474/1, ST/I005803/1, ST/H001026/2, ST/K001310/1 ATLAS, ST/K001361/1 MINOS/MINOS+, ST/H001069/2, ST/H001026/1, ST/M001512/1, ST/M001431/1, ST/K000705/1, ST/J005576/1, ST/K001310/1 LHCb Upgrades, ST/I000186/1, ST/K001337/1 ATLAS, ST/I006080/1, ST/J004928/1, PP/E003087/1, ST/I003517/1, ST/H00100X/2, ST/L001144/1, ST/K001310/1, PP/E003699/2, GRIDPP, ST/G502320/1, PP/E003699/1] Funding Source: researchfish
  75. Direct For Mathematical & Physical Scien
  76. Division Of Physics [1119200] Funding Source: National Science Foundation
  77. Division Of Physics
  78. Direct For Mathematical & Physical Scien [1206092] Funding Source: National Science Foundation

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A search is presented for direct top squark pair production in final states with one isolated electron or muon, jets, and missing transverse momentum in proton-proton collisions at root s = 7 TeV. The measurement is based on 4.7 fb(-1) of data collected with the ATLAS detector at the LHC. Each top squark is assumed to decay to a top quark and the lightest supersymmetric particle (LSP). The data are found to be consistent with standard model expectations. Top squark masses between 230 GeV and 440 GeV are excluded with 95% confidence for massless LSPs, and top squark masses around 400 GeV are excluded for LSP masses up to 125 GeV.

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