4.8 Article

Search for Scalar Charm Quark Pair Production in pp Collisions at √s=8 TeV with the ATLAS Detector

Journal

PHYSICAL REVIEW LETTERS
Volume 114, Issue 16, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.114.161801

Keywords

-

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. Lundbeck Foundation, Denmark
  25. EPLANET, European Union
  26. ERC, European Union
  27. NSRF, European Union
  28. IN2P3-CNRS, France
  29. CEA-DSM/IRFU, France
  30. GNSF, Georgia
  31. BMBF, Germany
  32. DFG, Germany
  33. HGF, Germany
  34. MPG, Germany
  35. AvH Foundation, Germany
  36. GSRT, Greece
  37. NSRF, Greece
  38. ISF, Israel
  39. MINERVA, Israel
  40. GIF, Israel
  41. I-CORE, Israel
  42. Benoziyo Center, Israel
  43. INFN, Italy
  44. MEXT, Japan
  45. JSPS, Japan
  46. CNRST, Morocco
  47. FOM, Netherlands
  48. NWO, Netherlands
  49. BRF, Norway
  50. RCN, Norway
  51. MNiSW, Poland
  52. NCN, Poland
  53. GRICES, Portugal
  54. FCT, Portugal
  55. MNE/IFA, Romania
  56. MES of Russia, Russian Federation
  57. ROSATOM, Russian Federation
  58. JINR
  59. MSTD, Serbia
  60. MSSR, Slovakia
  61. ARRS, Slovenia
  62. MIZS, Slovenia
  63. DST/NRF, South Africa
  64. MINECO, Spain
  65. SRC, Sweden
  66. Wallenberg Foundation, Sweden
  67. SER, Switzerland
  68. SNSF, Switzerland
  69. Canton of Bern, Switzerland
  70. Canton of Geneva, Switzerland
  71. NSC, Taiwan
  72. TAEK, Turkey
  73. STFC, United Kingdom
  74. Royal Society, United Kingdom
  75. Leverhulme Trust, United Kingdom
  76. DOE, United States of America
  77. NSF, United States of America
  78. Direct For Mathematical & Physical Scien
  79. Division Of Physics [1119200] Funding Source: National Science Foundation
  80. STFC [ST/G502320/1, ST/I006080/1, ST/L001195/1, ST/H001093/1, ST/N000307/1, ST/J005487/1, ST/J005525/1, ST/K000705/1, ST/M001407/1, ST/M006980/1, ST/L000326/1, ST/J501074/1, ST/N000463/1, ST/J00474X/1, ST/M001504/1, ST/N000420/1, ST/M003213/1, ST/K00140X/1, ST/J004944/1, ST/L003325/1, ST/K001302/1, ST/L003511/1, ST/M002306/1, ST/M503575/1, ST/L00352X/1, ST/M000761/1, ST/J005576/1, ST/M000664/1, PP/E000355/1, ST/L000970/1, ST/K001361/1, ST/N000277/1, ST/I005803/1, PP/E003087/1, ST/I000186/1, ST/L003112/1, ST/I000178/1, ST/K001388/1, ST/M001733/1, ST/N000447/1, ST/K001329/1, ST/M001431/1, ST/H001093/2, ST/G50228X/1, ST/K001248/1, ST/K00073X/1, ST/K00137X/1, ST/I006056/1, ST/L006480/1, PP/E000347/1, ST/H00100X/2, ST/L001144/1, ST/H00100X/1, PP/D002915/1, ST/M004821/1, ST/K50208X/1, PP/E002846/1, ST/L003414/1, ST/L001179/1, ST/J004928/1, ST/K003658/1, ST/I00372X/1] Funding Source: UKRI
  81. Science and Technology Facilities Council [ST/J501074/1, ST/M503575/1, ST/K50208X/1, ST/K001388/1, ST/M000664/1] Funding Source: researchfish
  82. ICREA Funding Source: Custom

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The results of a dedicated search for pair production of scalar partners of charm quarks are reported. The search is based on an integrated luminosity of 20.3 fb(-1) of pp collisions at root s = 8 TeV recorded with the ATLAS detector at the LHC. The search is performed using events with large missing transverse momentum and at least two jets, where the two leading jets are each tagged as originating from c quarks. Events containing isolated electrons or muons are vetoed. In an R-parity-conserving minimal super-symmetric scenario in which a single scalar-charm state is kinematically accessible, and where it decays exclusively into a charm quark and a neutralino, 95% confidence-level upper limits are obtained in the scalar-charm-neutralino mass plane such that, for neutralino masses below 200 GeV, scalar-charm masses up to 490 GeV are excluded.

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