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Title: Transverse Emittance Reduction in Muon Beams by Ionization Cooling

Journal Article · · TBD
OSTI ID:2204660
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  1. Sofiya U.
  2. Beijing, Inst. High Energy Phys.
  3. Sichuan U.
  4. CERN; INFN, Milan Bicocca
  5. Pavia U.
  6. Rome III U.
  7. Osaka U.
  8. Osaka U.; RIKEN (main)
  9. KEK, Tsukuba
  10. UNIST, Ulsan
  11. NIKHEF, Amsterdam; Nijmegen U.
  12. Nijmegen U.
  13. Belgrade, Inst. Phys.
  14. Novi Sad U.
  15. CERN
  16. Geneva U.
  17. Geneva U.; SLAC
  18. Warwick U.
  19. Warwick U.; TUM-IAS, Munich
  20. Warwick U.; Royal Holloway, U. of London
  21. Warwick U.; Sheffield U.; Unlisted
  22. Warwick U.; DSTO, Salisbury
  23. Daresbury
  24. Rutherford
  25. Rutherford; Brunel U.
  26. Rutherford; Edinburgh U., Inst. Astron.
  27. Glasgow U.; Laurentian U.
  28. Glasgow U.
  29. Glasgow U.; Strathclyde U.; Cockcroft Inst. Accel. Sci. Tech.; Liverpool U.
  30. Strathclyde U.; Cockcroft Inst. Accel. Sci. Tech.; Liverpool U.
  31. Liverpool U.
  32. Imperial Coll., London
  33. Imperial Coll., London; Vector Fields Ltd., Oxford
  34. Imperial Coll., London; Royal Holloway, U. of London
  35. Rutherford; Imperial Coll., London
  36. Imperial Coll., London; MIT, LNS
  37. Imperial Coll., London; Cambridge U.
  38. Oxford U.
  39. Sheffield U.; Unlisted
  40. Sheffield U.; Unlisted; Imperial Coll., London
  41. Brunel U.; Macquarie U.
  42. Brunel U.
  43. Brunel U.; UKAEA, Culham
  44. LBL, Berkeley
  45. Brookhaven Natl. Lab.
  46. Fermilab; Beijing, Inst. High Energy Phys.
  47. Fermilab
  48. Fermilab; Euclid Techlabs, Solon
  49. IIT, Chicago; Euclid Techlabs, Solon
  50. IIT, Chicago; Fermilab
  51. IIT, Chicago
  52. IIT, Chicago; Indiana U.
  53. IIT, Chicago; Michigan U.
  54. Mississippi U.
  55. UC, Riverside; ESS, Lund
  56. UC, Riverside
  57. UC, Riverside; TUM-IAS, Munich

Accelerated muon beams have been considered for next-generation studies of high-energy lepton-antilepton collisions and neutrino oscillations. However, high-brightness muon beams have not yet been produced. The main challenge for muon acceleration and storage stems from the large phase-space volume occupied by the beam, derived from the muon production mechanism through the decay of pions from proton collisions. Ionization cooling is the technique proposed to decrease the muon beam phase-space volume. Here we demonstrate a clear signal of ionization cooling through the observation of transverse emittance reduction in beams that traverse lithium hydride or liquid hydrogen absorbers in the Muon Ionization Cooling Experiment (MICE). The measurement is well reproduced by the simulation of the experiment and the theoretical model. The results shown here represent a substantial advance towards the realization of muon-based facilities that could operate at the energy and intensity frontiers.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC), High Energy Physics (HEP)
Contributing Organization:
Mice
DOE Contract Number:
AC02-07CH11359
OSTI ID:
2204660
Report Number(s):
STFC-P-2023-004; FERMILAB-PUB-23-613-AD-ND-PPD; arXiv:2310.05669; oai:inspirehep.net:2709155
Journal Information:
TBD, Journal Name: TBD
Country of Publication:
United States
Language:
English