1. kadhikary on March 26, 2022 at 8:38 pm

    Does Bonner sphere measure photon? I read somewhere it removes(discriminates) photon and measure alpha particle.
    Please let me know.

    • Max (editor) on March 28, 2022 at 3:38 pm

      Yes, I believe gamma energy photon signal would be small and approximately constant with size allowing for photon discrimination. Bonner spheres do not measure alpha particles.

    • thadhoward on March 29, 2022 at 2:02 pm

      If the detector at the center is a proportional counter, it discriminates against photons by energy discrimination. The detector only counts the signals corresponding to the Q values of neutron capture products. See Turner text: “Atoms, Radiation, and Protection”

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