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Unformatted text preview: a) (15 points) What is the probability that the electron remains in its 1s state? b) (15 points) Can you think of a general selection rule for the sudden process? 1 s = Z 3 a 3 exp(Zr / a ) 4. (50 pts) The energy levels of a nucleus can often be expressed in terms of the solutions to the threedimensional isotropic harmonic oscillator. For one particle, the lowest three energy levels are as follows: 0s ( E = 1.5 h ), 1p ( E = 2.5 h ), and 2s and 2d, both with E = 3.5 h . a) (40 pts) Consider two noninteracting identical spin1/2 fermions in a nucleus. Determine the energies, degeneracies, term symbols, and suitable kets for the three lowest configurations. Your kets can be determined by use of memory, symmetrizers/antisymmetrizers, or by angular momentum considerations. b) (10 pts) Do the same problem for the lowest configuration of three noninteracting spin1/2 fermions....
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This note was uploaded on 06/13/2011 for the course PHYSICS 829 taught by Professor Staff during the Spring '07 term at Ohio State.
 Spring '07
 Staff
 mechanics, Radiation

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