Muon multiplicities

Muon multiplicity as a function of muon threshold energy for vertical showers

Muon threshold energy as a function of zenith

Muon multiplicity as a function of zenith

• solid line: E_μ^th = 533 GeV.
• dashed line: E_μ^th(θ) = threshold for muons that can reach IceCube (from the figure above).

References

• T. Gaisser, "Cosmic Rays and Particle Physics", Cambridge University Press, (1990).
• F. Halzen and D. Hooper, "Gamma Ray Astronomy with IceCube", JCAP 0308 (2003) 006.