4.3 Article

Prototype ATLAS IBL modules using the FE-I4A front-end readout chip

Journal

JOURNAL OF INSTRUMENTATION
Volume 7, Issue -, Pages -

Publisher

IOP PUBLISHING LTD
DOI: 10.1088/1748-0221/7/11/P11010

Keywords

Particle tracking detectors; Large detector systems for particle and astroparticle physics; Particle tracking detectors (Solid-state detectors)

Funding

  1. NSERC, Canada
  2. NRC, Canada
  3. CFI, Canada
  4. CERN
  5. MSMT CR, Czech Republic
  6. MPO CR, Czech Republic
  7. VSC CR, Czech Republic
  8. IN2P3-CNRS, France
  9. BMBF, Germany
  10. DFG, Germany
  11. HGF, Germany
  12. MPG, Germany
  13. AvH Foundation, Germany
  14. INFN, Italy
  15. MEXT, Japan
  16. JSPS, Japan
  17. FOM, Netherlands
  18. NWO, Netherlands
  19. RCN, Norway
  20. ARRS, Slovenia
  21. MVZT, Slovenia
  22. MICINN, Spain
  23. SER, Switzerland
  24. SNSF, Switzerland
  25. Canton of Bern
  26. Canton Geneva
  27. Canton of Switzerland
  28. NSC, Taiwan
  29. STFC, United Kingdom
  30. Royal Society, United Kingdom
  31. Leverhulme Trust, United Kingdom
  32. DOE
  33. NSF, United States of America
  34. European Commission [262025]
  35. CERN IC group
  36. STFC [ST/K50208X/1, ST/H000623/1, ST/J004928/1, ST/G502320/1, PP/E000487/1, ST/I006080/1, ST/F00754X/1, ST/F011571/1, ST/F007418/1, ST/H00095X/1, ST/J501074/1, ST/J004944/1, ST/J005576/1, ST/K000713/1, ST/M000664/1, ST/H00095X/2, ST/I005803/1, PP/E003087/1, ST/I000186/1, ST/K001388/1, ST/I505756/1] Funding Source: UKRI
  37. ICREA Funding Source: Custom
  38. Science and Technology Facilities Council [ST/F007418/1, ST/J004928/1 ATLAS Upgrade, ST/H000623/1, ST/J004944/1, ST/H00095X/1, ST/G502320/1, ST/F011571/1, ST/I005803/1, ST/J501074/1, ST/M000664/1, PP/E000487/1, ST/I005803/1 GRIDPP, ST/H00095X/2, ST/J004928/1 ATLAS Upgrades, ST/K50208X/1, ST/I505756/1, ST/F00754X/1, PP/E003087/1, ST/J004928/1, ST/I006080/1, ST/K006142/1 ATLAS Upgrade, ST/K000713/1, ST/J005576/1, ST/K001388/1, ST/I000186/1] Funding Source: researchfish

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The ATLAS collaboration will upgrade its semiconductor pixel tracking detector with a new Insertable B-layer (IBL) between the existing pixel detector and the vacuum pipe of the Large Hadron Collider. The extreme operating conditions at this location have necessitated the development of new radiation hard pixel sensor technologies and a new front-end readout chip, called the FE-I4. Planar pixel sensors and 3D pixel sensors have been investigated to equip this new pixel layer, and prototype modules using the FE-I4A have been fabricated and characterized using 120 GeV pions at the CERN SPS and 4 GeV positrons at DESY, before and after module irradiation. Beam test results are presented, including charge collection efficiency, tracking efficiency and charge sharing.

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