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Title: Observation of seasonal variation of atmospheric multiple-muon events in the NOvA Near Detector

Journal Article · · Phys.Rev.D
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  1. U. Atlantico, Barranquilla
  2. Fermilab
  3. Sussex U.
  4. Dubna, JINR
  5. Wichita State U.
  6. Dubna, JINR; Minnesota U.
  7. Cincinnati U.
  8. Iowa State U.
  9. University Coll. London
  10. Indiana U.; Sussex U.; Virginia U.
  11. UC, Irvine
  12. Hyderabad U.
  13. Tufts U.
  14. Caltech; IIT, Chicago
  15. Panjab U.
  16. Indian Inst. Tech., Mumbai
  17. UC, Irvine; Minnesota U.
  18. Houston U.
  19. Prague, Tech. U.
  20. Michigan State U.
  21. Colorado State U.
  22. Moscow, INR
  23. Texas U.
  24. Iowa State U.; William-Mary Coll.
  25. Delhi U.
  26. South Carolina U.
  27. Southern Methodist U.
  28. William-Mary Coll.
  29. South Dakota Sch. Mines Tech.
  30. Indiana U.
  31. Argonne (main)
  32. Virginia U.
  33. Cochin U.
  34. Harvard U.
  35. Prague, Inst. Phys.
  36. Dallas U.
  37. South Alabama U.; Virginia U.
  38. Pittsburgh U.
  39. Indian Inst. Tech., Hyderabad
  40. Goias U.
  41. Lebedev Inst.
  42. Minnesota U., Duluth
  43. Tennessee U.
  44. Minnesota U.
  45. IIT, Chicago
  46. Caltech
  47. Charles U.
  48. Jammu U.
  49. Fermilab; Wisconsin U., Madison
  50. Banaras Hindu U.
  51. University Coll. London; Wisconsin U., Madison
  52. Syracuse U.; Indiana U.
  53. Stanford U., Phys. Dept.
  54. Syracuse U.
  55. Argonne (main); IIT, Chicago

Using two years of data from the NOvA Near Detector at Fermilab, we report a seasonal variation of cosmic ray induced multiple-muon (Nμ≥2) event rates which has an opposite phase to the seasonal variation in the atmospheric temperature. The strength of the seasonal multiple-muon variation is shown to increase as a function of the muon multiplicity. However, no significant dependence of the strength of the seasonal variation of the multiple-muon variation is seen as a function of the muon zenith angle, or the spatial or angular separation between the correlated muons.

Research Organization:
Michigan State U.; South Carolina U.; South Dakota Sch. Mines Tech.; Southern Methodist U.; Caltech; Moscow, INR; Wichita State U.; Goias U.; IIT, Chicago; Indian Inst. Tech., Hyderabad; Cincinnati U.; Minnesota U., Duluth; Harvard U.; Colorado State U.; Sussex U.; Prague, Tech. U.; Syracuse U.; Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Argonne National Laboratory (ANL), Argonne, IL (United States); Tennessee U.; Cochin U.; Pittsburgh U.; UC, Irvine; Charles U.; Minnesota U.; Wisconsin U., Madison; Prague, Inst. Phys.; University Coll. London; Banaras Hindu U.; Texas U.; Hyderabad U.; South Alabama U.; Virginia U.; Indian Inst. Tech., Mumbai; Delhi U.; Houston U.; Dubna, JINR; U. Atlantico, Barranquilla; Dallas U.; William-Mary Coll.; Iowa State U.; Lebedev Inst.; Tufts U.; Indiana U.; Stanford U., Phys. Dept.; Jammu U.; Panjab U.
Sponsoring Organization:
US Department of Energy
Grant/Contract Number:
89243024CSC000002; AC02-07CH11359
OSTI ID:
1556986
Report Number(s):
FERMILAB-PUB-19-179-ND; oai:inspirehep.net:1732616; arXiv:1904.12975
Journal Information:
Phys.Rev.D, Journal Name: Phys.Rev.D Journal Issue: 12 Vol. 99
Country of Publication:
United States
Language:
English

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