A Simple Parameterization of the Cosmic-Ray Muon Momentum Spectra at the Surface as a Function of Zenith Angle

Preprint English OPEN
Reyna, D. (2006)
  • Subject: High Energy Physics - Phenomenology
    arxiv: Physics::Instrumentation and Detectors | Astrophysics::High Energy Astrophysical Phenomena | High Energy Physics::Experiment
The designs of many neutrino experiments rely on calculations of the background rates arising from cosmic-ray muons at shallow depths. Understanding the angular dependence of low momentum cosmic-ray muons at the surface is necessary for these calculations. Heuristically, from examination of the data, a simple parameterization is proposed, based on a straighforward scaling variable. This in turn, allows a universal calculation of the differential muon intensity at the surface for all zenith angles and essentially all momenta.
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