We consider the implications from the possibility that the recently observed state X(3872) is a meson-antimeson molecule. We write an effective Lagrangian consistent with the heavy-quark and chiral symmetries needed to describe X(3872) and study its properties.
Cite
@article{arxiv.hep-ph/0602066,
title = {X(3872) in effective field theory},
author = {Alexey A Petrov},
journal= {arXiv preprint arXiv:hep-ph/0602066},
year = {2009}
}
Comments
4 pages, presented at Particles and Nuclei International Conference (PANIC 05), Santa Fe, New Mexico, 24-28 Oct 2005