University of Chicagohep.uchicago.edu/~merritt/Ph235-08/Exams/MidtermSolutions2008.pdfIn calculating...
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University of Chicagohep.uchicago.edu/~merritt/Ph235-08/Exams/MidtermSolutions2008.pdfIn calculating the fine structure splitting for hydrogen, we needed to evaluate the expectation