Estimating the mass of the hidden charm $$1^+(1^{+})$$ 1 + ( 1 + ) tetraquark state via QCD sum rules
Crossref DOI link: https://doi.org/10.1140/epjc/s10052-014-3122-x
Published Online: 2014-10-29
Published Print: 2014-10
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Qiao, Cong- Feng
Tang, Liang
License valid from 2014-10-01