Issues and Opportunities in Exotic Hadrons
R.A. Briceno, T.D. Cohen, S. Coito, J.J. Dudek, E. Eichten, C.S., Fischer, M. Fritsch, W. Gradl, A. Jackura, M. Kornicer, G. Krein, R.F. Lebed,, F.A. Machado, R.E. Mitchell, C.J. Morningstar, M. Peardon, M.R. Pennington,, K. Peters, J.-M. Richard, C.-P. Shen, M.R. Shepherd
TL;DR
This paper reviews recent experimental discoveries and theoretical advances in the study of heavy exotic hadrons, highlighting the challenges and opportunities in understanding their complex structures.
Contribution
It provides a comprehensive evaluation of current experimental signals and theoretical models related to heavy exotic hadrons, emphasizing future research directions.
Findings
Discovery of new signals suggestive of tetraquarks and pentaquarks
Advances in lattice field theory for coupled-channel phenomena
Application of effective field theories to exotic hadron modeling
Abstract
The last few years have been witness to a proliferation of new results concerning heavy exotic hadrons. Experimentally, many new signals have been discovered that could be pointing towards the existence of tetraquarks, pentaquarks, and other exotic configurations of quarks and gluons. Theoretically, advances in lattice field theory techniques place us at the cusp of understanding complex coupled-channel phenomena, modelling grows more sophisticated, and effective field theories are being applied to an ever greater range of situations. It is thus an opportune time to evaluate the status of the field. In the following, a series of high priority experimental and theoretical issues concerning heavy exotic hadrons is presented.
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