Abstract
Using gauge invariance we show that the time-space part of the excited-state hadron Compton scattering amplitude can be written as E/sub 0j//sup alphabeta/ = k/sub 1//sup prime/GAMMA/sub ij//sup alphabeta/ where GAMMA/sub i/j/sup alphabeta/ is odd under crossing in the Breit frame. The usefulness of this result in obtaining higher-order low-energy theorems for the Compton amplitude is discussed.
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