Author: Urs Format: MarkdownItexadded pointer to today's update:
* Nora Brambilla, Simon Eidelman, Christoph Hanhart, Alexey Nefediev, Cheng-Ping Shen, Christopher E. Thomas, Antonio Vairo, Chang-Zheng Yuan, _The XYZ states: experimental and theoretical status and perspectives_, Physics Reports 2020 ([arXiv:1907.07583](https://arxiv.org/abs/1907.07583))
<a href="https://ncatlab.org/nlab/revision/diff/XYZ+particle/3">diff</a>, <a href="https://ncatlab.org/nlab/revision/XYZ+particle/3">v3</a>, <a href="https://ncatlab.org/nlab/show/XYZ+particle">current</a>
added pointer to today’s update:
Nora Brambilla, Simon Eidelman, Christoph Hanhart, Alexey Nefediev, Cheng-Ping Shen, Christopher E. Thomas, Antonio Vairo, Chang-Zheng Yuan, The XYZ states: experimental and theoretical status and perspectives, Physics Reports 2020 (arXiv:1907.07583)