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LIGHT UNFLAVORED MESONS ($\mathit S$ = $\mathit C$ = $\mathit B$ = 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   JSON PDGID: M152

${{\mathit f}_{{{0}}}{(1500)}}$ $I^G(J^{PC})$ = $0^+(0^{+ +})$

See the review on "Spectroscopy of Light Meson Resonances."

${{\mathit f}_{{{0}}}{(1500)}}$ T-MATRIX POLE $\sqrt {\mathit s }$ $(1430 - 1530) - i (40 - 90)$ MeV

${{\mathit f}_{{{0}}}{(1500)}}$ MASS $1522$ $\pm25$ MeV

${{\mathit f}_{{{0}}}{(1500)}}$ WIDTH $108$ $\pm33$ MeV

${{\mathit f}_{{{0}}}{(1500)}}$ DECAY MODES

Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit \pi}}{{\mathit \pi}}$ ($34.5$ $\pm2.2$ ) $\%$ S=1.2  749   $\Gamma_{2}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ seen 748   $\Gamma_{3}$ 2 ${{\mathit \pi}^{0}}$ seen 749   $\Gamma_{4}$ 4 ${{\mathit \pi}}$ ($48.9$ $\pm3.3$ ) $\%$ S=1.2  700   $\Gamma_{5}$ 4 ${{\mathit \pi}^{0}}$ seen 700   $\Gamma_{6}$ 2 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}}$ seen 696   $\Gamma_{7}$ 2 ${({\mathit \pi}{\mathit \pi})_{{{\mathit S}-{\text{wave}}}}}$ seen     $\Gamma_{8}$ ${{\mathit \rho}}{{\mathit \rho}}$ seen -1   $\Gamma_{9}$ ${{\mathit \pi}{(1300)}}{{\mathit \pi}}$ seen 163   $\Gamma_{10}$ ${{\mathit a}_{{{1}}}{(1260)}}{{\mathit \pi}}$ seen 234   $\Gamma_{11}$ ${{\mathit \eta}}{{\mathit \eta}}$ ($6.0$ $\pm0.9$ ) $\%$ S=1.1  528   $\Gamma_{12}$ ${{\mathit \eta}}{{\mathit \eta}^{\,'}{(958)}}$ ($2.2$ $\pm0.8$ ) $\%$ S=1.4  107   $\Gamma_{13}$ ${{\mathit K}}{{\overline{\mathit K}}}$ ($8.5$ $\pm1.0$ ) $\%$ S=1.1  579   $\Gamma_{14}$ ${{\mathit \gamma}}{{\mathit \gamma}}$ not seen 761

Constrained Fit information