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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: M042

${{\mathit f}_{{{2}}}{(2150)}}$ $I^G(J^{PC})$ = $0^+(2^{+ +})$

This entry was previously called ${{\mathit T}_{{{0}}}}$.

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▸  exp ${{\mathit f}_{{{2}}}{(2150)}}$ MASS

${{\mathit f}_{{{2}}}{(2150)}}$ MASS, COMBINED MODES $2157$ $\pm12$ MeV

${{\mathit \eta}}{{\mathit \eta}}$ MODE $2157$ $\pm12$ MeV

${{\mathit \eta}}{{\mathit \pi}}{{\mathit \pi}}$ MODE

${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}$

$\mathit S$-CHANNEL ${{\overline{\mathit p}}}{{\mathit p}}$, ${{\overline{\mathit N}}}{{\mathit N}}$ or ${{\overline{\mathit K}}}{{\mathit K}}$

${{\mathit K}}{{\overline{\mathit K}}}$ MODE

▸  exp ${{\mathit f}_{{{2}}}{(2150)}}$ WIDTH

${{\mathit f}_{{{2}}}{(2150)}}$ WIDTH, COMBINED MODES $152$ $\pm30$ MeV (S = 1.4)

${{\mathit \eta}}{{\mathit \eta}}$ MODE $152$ $\pm30$ MeV (S = 1.4)

${{\mathit \eta}}{{\mathit \pi}}{{\mathit \pi}}$ MODE

${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit \pi}}$ 250 MeV

$\mathit S$-CHANNEL ${{\overline{\mathit p}}}{{\mathit p}}$, ${{\overline{\mathit N}}}{{\mathit N}}$ or ${{\overline{\mathit K}}}{{\mathit K}}$

${{\mathit K}}{{\overline{\mathit K}}}$ MODE

${{\mathit f}_{{{2}}}{(2150)}}$ DECAY MODES

Mode   Fraction ($\Gamma_i$ / $\Gamma$) Scale Factor/ Conf. Level P(MeV/c)   $\Gamma_{1}$ ${{\mathit \pi}}{{\mathit \pi}}$ 1070   $\Gamma_{2}$ ${{\mathit \phi}}{{\mathit \phi}}$ 352   $\Gamma_{3}$ ${{\mathit \eta}}{{\mathit \eta}}$ seen 929   $\Gamma_{4}$ ${{\mathit K}}{{\overline{\mathit K}}}$ seen 959   $\Gamma_{5}$ ${{\mathit f}_{{{2}}}{(1270)}}{{\mathit \eta}}$ seen 542   $\Gamma_{6}$ ${{\mathit a}_{{{2}}}{(1320)}}{{\mathit \pi}}$ seen 666   $\Gamma_{7}$ ${{\mathit p}}{{\overline{\mathit p}}}$ seen 532