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  (beta) PDGID:
M042

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

$I^G(J^{PC})$ = $0^+(2^{+ +})$ 
This entry was previously called ${{\mathit T}_{{0}}}$.
${{\mathit f}_{{2}}{(2150)}}$ MASS
${{\mathit f}_{{2}}{(2150)}}$ MASS, COMBINED MODES (MeV)   $2157 \pm12$ 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
${{\mathit f}_{{2}}{(2150)}}$ WIDTH
${{\mathit f}_{{2}}{(2150)}}$ WIDTH, COMBINED MODES (MeV)   $152 \pm30$ 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
$\Gamma_{1}$ ${{\mathit \pi}}{{\mathit \pi}}$   1070
 
$\Gamma_{2}$ ${{\mathit \eta}}{{\mathit \eta}}$   seen 929
 
$\Gamma_{3}$ ${{\mathit K}}{{\overline{\mathit K}}}$   seen 959
 
$\Gamma_{4}$ ${{\mathit f}_{{2}}{(1270)}}{{\mathit \eta}}$   seen 542
 
$\Gamma_{5}$ ${{\mathit a}_{{2}}{(1320)}}{{\mathit \pi}}$   seen 666
 
$\Gamma_{6}$ ${{\mathit p}}{{\overline{\mathit p}}}$   seen 532
 
FOOTNOTES