INSPIRE   JSON PDGID:
M268

${{\mathit T}_{{{c c {{\overline{\mathit c}}} {{\overline{\mathit c}}}}}}{(6900)}^{0}}$

$I^G(J^{PC})$ = $0^+(?^{? +})$ 

was ${{\mathit X}{(6900)}}$
State incompatible with a ${{\mathit q}}{{\overline{\mathit q}}}$ structure. See the review on "Heavy Non-${{\mathit q}}{{\overline{\mathit q}}}$ Mesons."
${{\mathit T}_{{{c c {{\overline{\mathit c}}} {{\overline{\mathit c}}}}}}{(6900)}^{0}}$ MASS $6914$ $\pm11$ MeV (S = 1.6)
 
${{\mathit T}_{{{c c {{\overline{\mathit c}}} {{\overline{\mathit c}}}}}}{(6900)}^{0}}$ WIDTH $137$ $\pm21$ MeV 
 
Mode  
Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/
Conf. Level		 P(MeV/c)  
$\Gamma_{1}$ ${{\mathit J / \psi}}{{\mathit J / \psi}}$ seen 1504