Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2005-11-02
Phys.Lett. B634 (2006) 210-213
Physics
Nuclear Physics
Nuclear Theory
9 pages, 4 figures
Scientific paper
10.1016/j.physletb.2005.12.071
We give a prove of evidence that the original power counting by Weinberg can be applied to estimate the contributions of the operators contributing to the pi-deuteron scattering length. As a consequence, pi-deuteron observables can be used to extract neutron amplitudes--in case of pi-deuteron scattering this means that the pi-neutron scattering length can be extracted with high accuracy. This result is at variance with recent claims. We discuss the origin of this difference.
Hanhart Ch.
Nogga Andreas
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