Angular momentum content of the $\rho(1450)$ from chiral lattice fermions
High Energy Physics - Lattice
2016-03-16 v1 High Energy Physics - Phenomenology
Nuclear Theory
Abstract
We identify the chiral and angular momentum content of the leading quark-antiquark Fock component for the and mesons using a two-flavor lattice simulation with dynamical Overlap Dirac fermions. We extract this information from the overlap factors of two interpolating fields with different chiral structure and from the unitary transformation between chiral and angular momentum basis. For the chiral content of the mesons we find that the slightly favors the chiral representation and the slightly favors the chiral representation. In the angular momentum basis the is then a state, in accordance with the quark model. The is a state, showing that the quark model wrongly assumes the to be a radial excitation of the .
Keywords
Cite
@article{arxiv.1603.04665,
title = {Angular momentum content of the $\rho(1450)$ from chiral lattice fermions},
author = {C. Rohrhofer and M. Pak and L. Ya. Glozman},
journal= {arXiv preprint arXiv:1603.04665},
year = {2016}
}