Abstract
We have evaluated the mechanism analogous to pion absorption which contributes to the pion double-charge-exchange amplitude leading to double isobar analog states. We find appreciable corrections at low energies around =50 MeV. Around the resonance region the corrections are small and the most visible effect is a small shift of the minimum to smaller angles, which is however not big enough to reproduce the experimental data.
- Received 16 March 1992
DOI:https://doi.org/10.1103/PhysRevC.46.2406
©1992 American Physical Society