Resonance contributions to the decay
- 1 April 1991
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review D
- Vol. 43 (7) , R2067-R2069
- https://doi.org/10.1103/physrevd.43.r2067
Abstract
We comment on a discrepancy in sign between two recent papers [C. S. Lim, T. Morozumi, and A. I. Sanda, Phys. Lett. B 218, 343 (1989); N. G. Deshpande, J. Trampetic, and K. Panose, Phys. Rev. D 39, 1461 (1989)]; regarding the resonance contributions to the decay . We find that the problem can be settled by considering the unitarity limit in the Argand plot of the transition amplitude.
Keywords
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