Status and new results on the Zb resonances
High Energy Physics - Experiment
2013-03-26 v2 High Energy Physics - Phenomenology
Abstract
Recently Belle observed two charged bottomonium-like states, Zb(10610) and Zb(10650), that are produced in the Upsilon(5S) -> Zb pi transitions and that decay to Upsilon(nS) pi (n=1,2,3) and h_b(mP) pi (m=1,2) channels. The masses of these states are close to the and thresholds, and their favored spin-parities are . We review status and new results on the Zb states, that include the observation of the decays and an evidence for the neutral member of the Zb isotriplet. All properties of the Zb states are consistent with their molecular interpretation.
Keywords
Cite
@article{arxiv.1303.0101,
title = {Status and new results on the Zb resonances},
author = {Alexander Bondar and Roman Mizuk},
journal= {arXiv preprint arXiv:1303.0101},
year = {2013}
}
Comments
PoS(Confinement X)156, 7 pages; misprint corrected