Question:

If 1 million of alpha particles of 2.5 Mev hits a target of aluminium ?

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How many react producing a neutron for each, you know the target is high 10 mm.

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2 ANSWERS


  1. You did not give enough information

    perhaps

    Al(27,13) + alpha (4,2)--> P(30,15) +(1,0)n

    You arze sure that all the alpha particle are stopped


  2. Not enough information.  What is the reaction cross-section and the target thickness?

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