The largest fraction of the higher energy electron neutrinos, the so called boron neutrinos are produced in the Sun by the decay 8 B 2 e e Their maximum energy is E , max 16 MeV Consider the elastic collision of a boron neutrino with a nucleus of a 76 Ge detector Is the resolving power sufficient t...

We can use the approximations of problem 122 b The maximum momentum t ...

The largest fraction of the higher-energy electron neutrinos, the so-called boron neutrinos are produced in the Sun

Question:

The largest fraction of the higher-energy electron neutrinos, the so-called ‘boron neutrinos’ are produced in the Sun by the decay ⁸B → 2α + e⁺ + ν_e. Their maximum energy is E_{ν, max} = 16 MeV. Consider the elastic collision of a boron neutrino with a nucleus of a ⁷⁶Ge detector. Is the resolving power sufficient to resolve the nuclear structure, assuming a nuclear radius R_A = 4 fm? Which is the maximum recoil energy of the nucleus? How does the interaction probability depend on the neutrino flavour?

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