Rothleitner J (1 results)
Published by Zeitschrift fur Physik, 1967., Berlin: 1967
- Softcover
Seller: Jeff Weber Rare Books, Neuchatel, NEUCH, SwitzerlandJeff Weber Rare Books
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Series: Zeitschrift fur Physik 202. Offprint. pp. 349-363. Original wrappers. Very good. [Abstract: Starting from a weak form of the axial current algebra and usingFubini's covariant dispersion method we give a fairly rigorous derivation of the Adler-Weisberger sum rule. Special attention is given to the necessary continuation i…n the "pion mass". Combining the sum rule with the forward?±p dispersion relation we obtain a sum rule containing essentially low energy data. A numerical evaluation is given for two sets of existing s-wave?N scattering lengths. The one reproducesAdler's andWeisberger's results, the other improves the agreement with experiment giving rA=1.20.].
