Strong decays of molecular states ${Z}_{c}^{\mathbf{+}}$ and ${Z}_{c}^{^{\ensuremath{'}}\mathbf{+}}$

Strong decays of molecular states $Z_{c}^{+}$ and $Z_{c}^{{}^{'}+}$

Yubing Dong, Amand Faessler, Thomas Gutsche, and Valery E. Lyubovitskij

Phys. Rev. D 88, 014030 – Published 19 July 2013

Abstract

The newly observed hidden-charm meson $Z_{c}^{+} (3900)$ and a possible partner state $Z_{c}^{{}^{'}+}$ with quantum numbers $J^{P} = 1^{+}$ are considered as hadronic molecules composed of $\bar{D} D^{*}$ and ${\bar{D}}^{*} D^{*}$ , respectively. We give predictions for the decay widths of the strong two-body transitions $Z_{c}^{+} \to H + π^{+}$ and $Z_{c}^{{}^{'}+} \to H + π^{+}$ with $H = Ψ (n S)$ , $h_{c} (m P)$ in a phenomenological Lagrangian approach.

Received 5 June 2013

DOI:https://doi.org/10.1103/PhysRevD.88.014030

Authors & Affiliations

Yubing Dong^1,2, Amand Faessler³, Thomas Gutsche³, and Valery E. Lyubovitskij^3,*

¹Institute of High Energy Physics, Beijing 100049, People’s Republic of China
²Theoretical Physics Center for Science Facilities (TPCSF), Chinese Academy of Sciences, Beijing 100049, People’s Republic of China
³Institut für Theoretische Physik, Universität Tübingen, Kepler Center for Astro and Particle Physics, Auf der Morgenstelle 14, D-72076 Tübingen, Germany

^*On leave of absence from Department of Physics, Tomsk State University, 634050 Tomsk, Russia.

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Vol. 88, Iss. 1 — 1 July 2013

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Physical Review D

covering particles, fields, gravitation, and cosmology

Strong decays of molecular states $Z_{c}^{+}$ and $Z_{c}^{{}^{'}+}$

Yubing Dong, Amand Faessler, Thomas Gutsche, and Valery E. Lyubovitskij

Phys. Rev. D 88, 014030 – Published 19 July 2013

Abstract

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Physical Review D

covering particles, fields, gravitation, and cosmology

Strong decays of molecular states Zc+ and Zc+′

Yubing Dong, Amand Faessler, Thomas Gutsche, and Valery E. Lyubovitskij

Phys. Rev. D 88, 014030 – Published 19 July 2013

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Strong decays of molecular states $Z_{c}^{+}$ and $Z_{c}^{{}^{'}+}$