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Simulating the charged charmoniumlike structure $Z_c(4025)$

By Xiao Wang, Yuan Sun, Dian-Yong Chen, Xiang Liu and Takayuki Matsuki

Abstract

Inspired by recent observation of charged charmoniumlike structure $Z_c(4025)$, we explore the $Y(4260)\to (D^*\bar{D}^*)^- \pi^+$ decay through the initial-single-pion-emission mechanism, where the $D^*\bar{D}^*\to D^*\bar{D}^*$ interaction is studied by the ladder approximation including a non-interacting case. Our calculation of the differential decay width for $Y(4260)\to (D^*\bar{D}^*)^- \pi^+$ indicates that a charged enhancement structure around $D^*\bar{D}^*$ appears in the $D^*\bar{D}^*$ invariant mass spectrum for this process, which can correspond to newly observed $Z_c(4025)$ structure

Topics: Particle Physics - Phenomenology
Publisher: 'Springer Science and Business Media LLC'
Year: 2013
DOI identifier: 10.1140/epjc/s10052-014-2761-2
OAI identifier: oai:cds.cern.ch:1577358
Provided by: CERN Document Server
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