Improved Unitarized Heavy Baryon Chiral Perturbation Theory for $πN $ Scattering

Details Improved Unitarized Heavy Baryon Chiral Perturbation Theory for $πN $ Scattering Improved Unitarized Heavy Baryon Chiral Perturbation Theory for $πN $ Scattering

2000-06-05

arxiv.org/abs/hep-ph/0006043v1

Phys.Lett. B486 (2000) 77-85

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 3 tables, 2 figures

Scientific paper

10.1016/S0370-2693(00)00761-9

We show how the unitarized description of pion nucleon scattering within Heavy Baryon Chiral Perturbation Theory can be considerably improved, by a suitable reordering of the expansion over the nucleon mass. Within this framework, the $\Delta$ resonance and its associated pole can be recovered from the chiral parameters obtained from low-energy determinations. In addition, we can obtain a good description of the six $S$ and $P$ wave phase shifts in terms of chiral parameters with a natural size and compatible with the Resonance Saturation Hypothesis.

Affiliated with

Also associated with

No associations

Rating

Improved Unitarized Heavy Baryon Chiral Perturbation Theory for $πN $ Scattering 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 Improved Unitarized Heavy Baryon Chiral Perturbation Theory for $πN $ Scattering, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Improved Unitarized Heavy Baryon Chiral Perturbation Theory for $πN $ Scattering will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-578847