Below are a selection of plots which show linear attenuation coefficient as a function of energy in different materials. These plots come from the Harshaw catalog “Harshaw Radiation Detectors”.
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| Sodium Iodide - NaI ( High Resolution PDF) |
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| Lead - Pb ( High Resolution PDF ) |
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| Aluminum - Al ( High Resolution PDF) |
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| Iron - Fe ( High Resolution PDF) |
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| Copper - Cu (|High Resolution PDF) |