A neutrino beam of mean energy is produced from the decay of charged pions. · PHYSICS Dataset #7225
Physics · modern-physics
Problem
A neutrino beam of mean energy ⟨Eν⟩=20GeV is produced from the decay of charged pions. Estimate:
- the energy of the pion beam (assumed monochromatic) that has generated the neutrino beam;
- the divergence of the neutrino beam at the far-end detector located at a distance d=100km downstream of the beampipe;
- the order-of-magnitude for the neutrino-nucleon cross section;
- the mean free path of the neutrinos in a detector with the density of water;
- the ratio between the cross section on protons and on electrons.