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Performance of the CMS High Granularity Calorimeter prototype to charged pion beams of 20–300 GeV/c

Journal Article · · JINST
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  1. Bogazici U.
  2. GTU, Tbilisi
  3. Northern Illinois U.
  4. Texas Tech.
  5. IRFU, Saclay
  6. Istanbul U.
  7. Carnegie Mellon U.
  8. CERN
  9. IISER, Pune
  10. Fermilab
  11. DESY
  12. Malaya U.
  13. Northwestern U.
  14. TIFR, Mumbai, DHEP
  15. Natl. Tech. U., Athens
  16. Ecole Polytechnique
  17. Iowa U.
  18. Indian Inst. Tech., Madras
  19. Vienna, OAW
  20. Taiwan, Natl. Central U.
  21. IISER, Bhopal
  22. Munich, Max Planck Inst.
  23. Ec. Polytech., OMEGA
  24. Hangzhou, Zhejiang U.
  25. UC, Santa Barbara
  26. Imperial Coll., London
  27. Hamburg U.
  28. Florida State U., Tallahassee (main)
  29. Calcutta, VECC
  30. Utrecht U.; Nikhef, Amsterdam
  31. Beijing, Inst. High Energy Phys.
  32. Baylor U.
  33. Notre Dame U.
  34. Maryland U.
  35. Split Tech. U.
  36. IJCLab, Orsay
  37. Boston U.
  38. Cukurova U.
  39. LIP, Lisbon
  40. Wisconsin U., Madison
  41. Fudan U., Shanghai
  42. Minnesota U.
  43. Brown U.
  44. Kansas State U.
  45. DESY; Prague, Inst. Phys.
  46. Rochester U.
  47. Tsinghua U., Beijing
  48. Unlisted
  49. Chulalongkorn U.
  50. Florida Inst. Tech.
+ Show Author Affiliations
The upgrade of the CMS experiment for the high luminosity operation of the LHC comprises the replacement of the current endcap calorimeter by a high granularity sampling calorimeter (HGCAL). The electromagnetic section of the HGCAL is based on silicon sensors interspersed between lead and copper (or copper tungsten) absorbers. The hadronic section uses layers of stainless steel as an absorbing medium and silicon sensors as an active medium in the regions of high radiation exposure, and scintillator tiles directly read out by silicon photomultipliers in the remaining regions. As part of the development of the detector and its readout electronic components, a section of a silicon-based HGCAL prototype detector along with a section of the CALICE AHCAL prototype was exposed to muons, electrons and charged pions in beam test experiments at the H2 beamline at the CERN SPS in October 2018. The AHCAL uses the same technology as foreseen for the HGCAL but with much finer longitudinal segmentation. The performance of the calorimeters in terms of energy response and resolution, longitudinal and transverse shower profiles is studied using negatively charged pions, and is compared to GEANT4 predictions. This is the first report summarizing results of hadronic showers measured by the HGCAL prototype using beam test data.
Research Organization:
Baylor U.; Beijing, Inst. High Energy Phys.; Bogazici U.; Boston U.; Brown U.; CERN; Calcutta, VECC; Carnegie Mellon U.; Chulalongkorn U.; Cukurova U.; DESY; Ec. Polytech., OMEGA; Ecole Polytechnique; Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Florida Inst. Tech.; Florida State U., Tallahassee (main); Fudan U., Shanghai; GTU, Tbilisi; Hamburg U.; Hangzhou, Zhejiang U.; IISER, Bhopal; IISER, Pune; IJCLab, Orsay; IRFU, Saclay; Imperial Coll., London; Indian Inst. Tech., Madras; Iowa U.; Istanbul U.; Kansas State U.; LIP, Lisbon; Malaya U.; Maryland U.; Minnesota U.; Munich, Max Planck Inst.; Natl. Tech. U., Athens; Nikhef, Amsterdam; Northern Illinois U.; Northwestern U.; Notre Dame U.; Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States); Prague, Inst. Phys.; Rochester U.; Split Tech. U.; TIFR, Mumbai, DHEP; Taiwan, Natl. Central U.; Texas Tech.; Tsinghua U., Beijing; UC, Santa Barbara; University of Rochester, NY (United States); Unlisted; Utrecht U.; Vienna, OAW; Wisconsin U., Madison
Sponsoring Organization:
US Department of Energy; USDOE; USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Organization:
CMS collaboration
Grant/Contract Number:
AC02-07CH11359; AC05-00OR22725; SC0008475
OSTI ID:
1984971
Alternate ID(s):
OSTI ID: 2338265
OSTI ID: 2477978
Report Number(s):
FERMILAB-PUB-23-299-ETD-PPD; oai:inspirehep.net:2178613; arXiv:2211.04740
Journal Information:
JINST, Journal Name: JINST Journal Issue: 08 Vol. 18
Country of Publication:
United States
Language:
English

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