Scalar or Vector Tetraquark State Candidate: Zc(4100) *

Zhi-Gang Wang

Fig. 4 The mass with variation of the Borel parameter $T^2$ for the $[uc]_{\tilde{A}}[\bar{d}\bar{c}]_{\tilde{A}}\oplus[uc]_{\tilde{V}}[\bar{d}\bar{c}]_{\tilde{V}}$ type scalar tetraquark state, the region between the two perpendicular line is the Borel window.