GAUGE AND HIGGS BOSONS INSPIRE   JSON  (beta) PDGID:
G021

${{\mathit g}}$ $~$or gluon

$I(J^P)$ = $0(1^{-})$ 
SU(3) color octet
Mass $\mathit m$ = 0. Theoretical value. A mass as large as a few MeV may not be precluded, see YNDURAIN 1995 .
see data
FOOTNOTES