PoS - Proceedings of Science
Volume 457 - Workshop Italiano sulla Fisica  ad Alta Intensità (WIFAI2023) - session Spectroscopy
Spectroscopy at BESIII: A Selected XYZ Review
M. Scodeggio
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Pre-published on: March 12, 2024
Published on:
Since 2003, a new group of exotic states has been identified, commonly known as XY Z states. These exotic states are incompatible with the quark-antiquark model and, therefore, are potential candidates for tetraquarks, mesonic molecules, and hybrids (e.g., gluon-quark states). Since the BESIII experiment started colliding e+ e− beams in the energy range between 2.0 and 4.9 GeV, it has been a significant contributor to deepening our knowledge of this new family of states without a clear theoretical interpretation. Some of the most recent and noteworthy results from the BESIII collaboration, along with possible interpretations, are presented.
DOI: https://doi.org/10.22323/1.457.0029
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