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Published January 1, 2019 | Version v1
Journal article Open

Measurement of the cosmic ray muon flux seasonal variation with the OPERA detector

Creators

  • 1. Russian Acad Sci, Inst Nucl Res, RUS-117312 Moscow, Russia
  • 2. Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy
  • 3. Lomonosov Moscow State Univ, SINP MSU Skobeltsyn Inst Nucl Phys, RUS-119991 Moscow, Russia
  • 4. Kobe Univ, Kobe, Hyogo 6578501, Japan
  • 5. Univ Bern, Albert Einstein Ctr Fundamental Phys, LHEP, CH-3012 Bern, Switzerland
  • 6. Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy
  • 7. Russian Acad Sci, LPI, RUS-119991 Moscow, Russia
  • 8. Joint Inst Nucl Res, RUS-141980 Dubna, Russia
  • 9. Ist Nazl Fis Nucl, Lab Nazl Gran Sasso, I-67010 Laquila, Italy
  • 10. Univ Savoie Mt Blanc, CNRS, IN2P3, LAPP, F-74941 Annecy Le Vieux, France
  • 11. Ist Nazl Fis Nucl, Sez Bologna, I-40127 Bologna, Italy

Description

The OPERA experiment discovered muon neutrino into tau neutrino oscillations in appearance mode, detecting tau leptons by means of nuclear emulsion films. The apparatus was also endowed with electronic detectors with tracking capability, such as scintillator strips and resistive plate chambers. Because of its location in the underground Gran Sasso laboratory, under 3800 m.w.e., the OPERA detector has also been used as an observatory for TeV muons produced by cosmic rays in the atmosphere. In this paper the measurement of the single muon flux modulation and its correlation with the seasonal cycle of atmospheric temperature is reported.

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