Memory has faded as it was in the last millenia... junior year physics lab one of the experiments was muon counting. It used two large NaI scintillators covere

Memory has faded as it was in the last millenia... junior year physics lab one of the experiments was muon counting. It used two large NaI scintillators covered in foil attached to PMTs with a potential > 10kV. I don't recall exactly how we separated them, probably just some type of stand.