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High Energy Physics - Phenomenology

arXiv:1608.07947 (hep-ph)
[Submitted on 29 Aug 2016 (v1), last revised 20 Oct 2016 (this version, v3)]

Title:Open charm contributions to the E1 transitions of $ψ(3686)$ and $ψ(3770)\to γχ_{cJ}$

Authors:Zheng Cao, Martin Cleven, Qian Wang, Qiang Zhao
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Abstract:The E1 transitions of $\psi(3686)$ and $\psi(3770)\to \gamma\chi_{cJ}$ are investigated in a non-relativistic effective field theory (NREFT) where the open charm effects are included systematically as the leading corrections. It also allows a self-consistent inclusion of the $S$-$D$ mixing in the same framework. We are able to show that the open charm contributions are essential for understanding the significant discrepancies between the non-relativistic leading order calculations and the experimental data.
Comments: 11 pages, 2 figures
Subjects: High Energy Physics - Phenomenology (hep-ph)
Cite as: arXiv:1608.07947 [hep-ph]
  (or arXiv:1608.07947v3 [hep-ph] for this version)
  https://doi.org/10.48550/arXiv.1608.07947
Related DOI: https://doi.org/10.1140/epjc/s10052-016-4448-3

Submission history

From: Zheng Cao [view email]
[v1] Mon, 29 Aug 2016 08:25:14 UTC (138 KB)
[v2] Tue, 30 Aug 2016 02:37:27 UTC (138 KB)
[v3] Thu, 20 Oct 2016 06:27:28 UTC (139 KB)
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