LIGHT UNFLAVORED MESONS
($\mathit S$ = $\mathit C$ = $\mathit B$ = $\mathit{0}$)
For $\mathit I = 1$ (${{\mathit \pi}}$, ${{\mathit b}}$, ${{\mathit \rho}}$, ${{\mathit a}}$): ${\mathit {\mathit u}}$ ${\mathit {\overline{\mathit d}}}$, (${\mathit {\mathit u}}$ ${\mathit {\overline{\mathit u}}}−{\mathit {\mathit d}}$ ${\mathit {\overline{\mathit d}}})/\sqrt {2 }$, ${\mathit {\mathit d}}$ ${\mathit {\overline{\mathit u}}}$;
for $\mathit I = 0$ (${{\mathit \eta}}$, ${{\mathit \eta}^{\,'}}$, ${{\mathit h}}$, ${{\mathit h}^{\,'}}$, ${{\mathit \omega}}$, ${{\mathit \phi}}$, ${{\mathit f}}$, ${{\mathit f}^{\,'}}$): ${\mathit {\mathit c}}_{{\mathrm {1}}}({{\mathit u}}{{\overline{\mathit u}}}$ $+$ ${{\mathit d}}{{\overline{\mathit d}}}$) $+$ ${\mathit {\mathit c}}_{{\mathrm {2}}}({{\mathit s}}{{\overline{\mathit s}}}$)

INSPIRE search

${{\mathit h}_{{{1}}}{(1595)}}$ $I^G(J^{PC})$ = $0^-(1^{+ -})$

Seen in a partial-wave analysis of the ${{\mathit \omega}}{{\mathit \eta}}$ system produced in the reaction ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \eta}}{{\mathit n}}$ at 18$~$GeV/$\mathit c$.

${{\mathit h}_{{{1}}}{(1595)}}$ MASS

$1594 {}^{+18}_{-60}$ MeV

${{\mathit h}_{{{1}}}{(1595)}}$ WIDTH

$380 {}^{+90}_{-120}$ MeV

${{\boldsymbol h}_{{{1}}}{(1595)}}$ DECAY MODES

$\Gamma_{1}$

${{\mathit \omega}}{{\mathit \eta}}$

seen

434