Near-threshold hadron scattering with effective field theory
High Energy Physics - Phenomenology
2023-09-27 v1 Nuclear Theory
Abstract
When an exotic hadron locates near the threshold with the channel couplings, the internal structure of the exotic hadron is related to the scattering length. To incorporate the threshold effect, the Flatt\'{e} amplitude has been often used to determine the scattering length. It is however known that an additional constraint is imposed on the Flatte amplitude near the threshold. We discuss this problem by using the effective field theory for the coupled-channel scattering.
Cite
@article{arxiv.2309.14631,
title = {Near-threshold hadron scattering with effective field theory},
author = {Katsuyoshi Sone and Tetsuo Hyodo},
journal= {arXiv preprint arXiv:2309.14631},
year = {2023}
}
Comments
4 pages, 1 figure, Proceedings of 17th International Workshop on Meson Physics (MESON2023), 22nd - 27th June, 2023