The reflection probability is R = sin 2 ( 2 m ( E + U 0 ) L / ℏ ) sin 2 ( 2 m ( E + U 0 ) L / ℏ ) + 4 ( E / U 0 ) ( E / U 0 + 1 )

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Chapter 6, Problem 25E

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The reflection probability is
R=sin2(2m(E+U0)L/ℏ)sin2(2m(E+U0)L/ℏ)+4(E/U0)(E/U0+1)

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