Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1997-08-19
Phys.Rev.C57:424-426,1998
Physics
Nuclear Physics
Nuclear Theory
6 pages LaTeX, 1 figure (uses epsf)
Scientific paper
10.1103/PhysRevC.57.424
We consider constraints on the isoscalar S-wave pi-N scattering length a+ from pi-deuteron scattering, to third order in small momenta and pion masses in chiral perturbation theory. To this order, the pi-deuteron scattering length is determined by a+ together with three-body corrections that involve no undetermined parameters. We extract a novel value for a combination of dimension two low-energy constants which is in agreement with previous determinations.
Beane Silas R.
Bernard Véronique
Lee T. S. -H.
Meißner Ulf-G.
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