We report new measurements of the muon spectra and the muon charge ratio at ground level in the momentum range from 200MeV/c to 120GeV/c for two different geomagnetic locations. Above 0.9GeV/c the absolute spectra measured in the two locations are in good agreement and are about 10% to 15% lower than previous experimental results. At lower momenta the data show latitude dependent geomagnetic effects. These observations are important for the understanding of the observed neutrino anomaly.
Measurements of ground-level muons at two geomagnetic locations
GRIMANI, CATIA;
1999
Abstract
We report new measurements of the muon spectra and the muon charge ratio at ground level in the momentum range from 200MeV/c to 120GeV/c for two different geomagnetic locations. Above 0.9GeV/c the absolute spectra measured in the two locations are in good agreement and are about 10% to 15% lower than previous experimental results. At lower momenta the data show latitude dependent geomagnetic effects. These observations are important for the understanding of the observed neutrino anomaly.File in questo prodotto:
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