A muon-pair production cross section is measured to be .

PHYSICS · Multi-part · Fermi University Physics · Particle Physics & Quantum Fields · Particles, interactions and experiment · Particles, interactions and experiment

Particle Physics, Ch Decay rates, cross sections and phase space

Problem

A muon-pair production cross section is measured to be σ=50 nb\sigma = 50\,\mathrm{nb}. ((a)) Express σ\sigma in m2\mathrm{m^2}. ((b)) Express σ\sigma in GeV−2\mathrm{GeV^{-2}}, using (ℏc)2=0.3894 GeV2 mb(\hbar c)^2 = 0.3894\,\mathrm{GeV^2\,mb}.

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