Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2011-07-15
Physics
Nuclear Physics
Nuclear Theory
8 pages, 13 figures. Some discussions have been enlarged. Final version to be published
Scientific paper
We consider nucleon-nucleon (NN) interactions from chiral effective field theory. In this work we restrict ourselves to the elastic NN scattering. We apply the N/D method to calculate the NN partial waves taking as input the one-pion exchange discontinuity along the left-hand cut. This discontinuity is amenable to a chiral power counting as discussed by Lacour, Oller and Meissner [Ann. Phys. (NY) 326, 241 (2011)], with one-pion exchange as its leading order contribution. The resulting linear integral equation for a partial wave with orbital angular momentum L>=2 is solved in the presence of L-1 constraints, so as to guarantee the right behavior of the D and higher partial waves near threshold. The calculated NN partial waves are based on dispersion relations and are independent of regulator. This method can also be applied to higher orders in the calculation of the discontinuity along the left-hand cut and extended to triplet coupled partial waves.
Albaladejo Miguel
Oller Jose Antonio
No associations
LandOfFree
Nucleon-nucleon interactions from dispersion relations: Elastic partial waves does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Nucleon-nucleon interactions from dispersion relations: Elastic partial waves, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Nucleon-nucleon interactions from dispersion relations: Elastic partial waves will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-226171