p44_054 - 54. Conservation of energy gives Q = K + Kn , and...

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54. Conservation of energy gives Q = K α + K n , and conservation of linear momentum (due to the assumption of negligible initial velocities) gives | p α | = | p n | . We can write the classical formula for kinetic energy in terms of momentum: K = 1 2 mv 2 = p 2 2 m which implies that K n =( m α /m n ) K α . Consequently, conservation of energy and momentum allows us to solve for kinetic energy of the alpha particle which results from the fusion:
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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