High Energy Physics - Phenomenology
[Submitted on 26 Jan 2021 (v1), last revised 8 Jun 2021 (this version, v3)]
Title:Triangle relations for XYZ states
View PDFAbstract:We propose novel triangle relations, not the well-known triangle singularity, for better understanding of the exotic XYZ states. Nine XYZ resonances, X(3872), Y(4230), Zc(3900), X(4012), Y(4360/4390), Zc(4020), X(4274), Y(4660), and Zcs(3985) have been classified into triples to construct three triangles based on the assumption that they are all tetra-quark states. We also suggest some channels deserving search for with high priority based on this hypothesis, as well as predictions of a few production/decay rates of these channels. We hope further experimental studies of the XYZ states will benefit from our results.
Submission history
From: Kai Zhu [view email][v1] Tue, 26 Jan 2021 08:24:30 UTC (822 KB)
[v2] Mon, 1 Feb 2021 07:15:52 UTC (822 KB)
[v3] Tue, 8 Jun 2021 22:26:00 UTC (832 KB)
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