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- n. Plural form of phototube.
Sorry, no etymologies found.
And there were new phototubes just being produced by RCA which were suitable matches to sodium iodide crystals to convert the scintillations to electrical signals.
Slide 6: Neutrino Detection 2 Scintillation Detectors: Neutrino collision produces light flash Detect light with phototubes Electron: Nucleus: Masatoshi Koshiba Nobel Prize 2002 Allows real-time detection, energy measurement Problem: High energy threshold (5-8