• Open Access

Contribution of the vector meson to the ϒ(nS)d¯*(2380)+X decay channel

Chao-Yi Lü, Ping Wang, Yu-Bing Dong, Peng-Nian Shen, and Zong-Ye Zhang
Phys. Rev. D 99, 036015 – Published 20 February 2019

Abstract

d*(2380) was observed by WASA-at-COSY collaborations in the nuclear reaction recently. Its particularly narrow width may indicate the new QCD-allowed hadronic structure. To further confirm the existence of this peculiar particle in a totally different kind of reaction, ϒ(nS)d¯*(2380)+X, the contribution from the vector meson should also be considered. To this end, B* meson as an intermediate state in the ϒ(nS)+d*(2380)ϒ(nS)+d*(2380) scattering is studied within the same framework of the SU(3) chiral quark model. As a result, it is shown that d¯* might be found in the momentum range of 0.3–0.9 GeV.

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  • Received 8 October 2018
  • Revised 17 December 2018

DOI:https://doi.org/10.1103/PhysRevD.99.036015

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Particles & FieldsNuclear Physics

Authors & Affiliations

Chao-Yi Lü1,2,*, Ping Wang1,3,†, Yu-Bing Dong1,3,4, Peng-Nian Shen1,3, and Zong-Ye Zhang1,3,4

  • 1Institute of High Energy Physics, CAS, Beijing 100049, China
  • 2Department of Physics, Zhengzhou University, Zhengzhou, Henan 450001, China
  • 3Theoretical Physics Center for Science Facilities, CAS, Beijing 100049, China
  • 4School of Physical Sciences, University of Chinese Academy of Sciences, Beijing 101408, China

  • *lvcy@ihep.ac.cn
  • pwang4@ihep.ac.cn

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Issue

Vol. 99, Iss. 3 — 1 February 2019

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