Counting states in heterotic SO(32) string theory | A First Course in String Theory

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(b) Consider the left R’ sector. Write the precise mass-squared formula with normal-ordered oscillators and the appropriate normal-ordering constant.

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— This answer is my guess. —

The naive mass formula in the left R’ sector:

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p.316 Equation (14.51):

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— This answer is my guess. —

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