Question: Problem 4 (4 pts) What is the scattering length A in solid iron for a monoenergetic beam of neutrinos (1 GeV) with a cross section

Problem 4 (4 pts) What is the scattering length A in

Problem 4 (4 pts) What is the scattering length A in solid iron for a monoenergetic beam of neutrinos (1 GeV) with a cross section per nucleon (proton or neutron) of 10'44 m2? Express your answer in units of astronomical units (150 million km). The density of iron is 7900 kg/m3

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