Abstract.
The Bethe-Salpeter (BS) amplitude for \(\pi N\) scattering is evaluated at the off-mass-shell points corresponding to the Low Energy Theorems (LET) based on PCAC and current algebra. The results suggest a way of maintaining constructing between BS equation and LET.
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Received: 30 September 2002, Published online: 22 October 2003
PACS:
25.80.Dj Pion elastic scattering - 11.30.Rd Chiral symmetries - 24.80. + y Nuclear tests of fundamental interactions and symmetries
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Afnan, I.R., Lahiff, A.D. The Bethe-Salpeter equation and the Low Energy Theorems for \(\pi N\) scattering. Eur. Phys. J. A 18, 301–304 (2003). https://doi.org/10.1140/epja/i2002-10221-7
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DOI: https://doi.org/10.1140/epja/i2002-10221-7