| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5495297 | Physics Letters B | 2016 | 8 Pages |
Abstract
We calculate the width of the delta resonance at leading two-loop order in baryon chiral perturbation theory. This gives a correlation between the leading pion-nucleon-delta and pion-delta couplings, which is relevant for the analysis of pion-nucleon scattering and other processes.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Nuclear and High Energy Physics
Authors
Jambul Gegelia, Ulf-G. MeiÃner, Dmitrij Siemens, De-Liang Yao,