Regular Article – Theoretical Physics
Masses of fully heavy tetraquarks in an extended relativized quark model
Department of Physics, Hunan Normal University, 410081, Changsha, China
2 Synergetic Innovation Center for Quantum Effects and Applications (SICQEA), 410081, Changsha, China
3 Key Laboratory of Low-Dimensional Quantum Structures and Quantum Control of Ministry of Education, 410081, Changsha, China
4 School of Physics, Southeast University, 210094, Nanjing, China
5 Institute of High Energy Physics, Chinese Academy of Sciences, 100049, Beijing, China
6 Theoretical Physics Center for Science Facilities (TPCSF), CAS, 100049, Beijing, China
7 School of Physical Sciences, University of Chinese Academy of Sciences, 101408, Beijing, China
Accepted: 8 September 2020
Published online: 21 September 2020
Inspired by recent measurement of possible fully charmed tetraquarks in LHCb Collaboration, we investigate the mass spectra of fully heavy tetraquarks in an extended relativized quark model. Our estimations indicate that the broad structure around 6.4 GeV should contain one or more ground states for tetraquarks, while the narrow structure near 6.9 GeV can be categorized as the first radial excitation of system. Moreover, with the wave functions of the tetraquarks and mesons, the strong decays of tetraquarks into heavy quarkonium pair are qualitatively discussed, which can be further checked by the LHCb and CMS Collaborations.
© The Author(s) 2020
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
Funded by SCOAP3