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Release of neutrons in a beryllium plate when exposed to alphaparticles (Chadwick)

  1. Dec 3, 2008 #1
    First of this is not an homework question but just a bit of a theory i am having a bit of difficulty understanding. Secundly, hello!

    James Chadwick discovered neutrons by sending alpha-particles from a radioactive source to a beryllium-plate, and that plate then sent out neutrons.

    I dont understand, how sending alpha-particles can make the beryllium-plate (or any object) send out neutrons.

    So if anyone would be so helpful as to tell me why this happens, i will be grateful
     
  2. jcsd
  3. Dec 3, 2008 #2

    mgb_phys

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