QUARKS
INSPIRE search

Light Quarks (${\boldsymbol {\boldsymbol u}}$, ${\boldsymbol {\boldsymbol d}}$, ${\boldsymbol {\boldsymbol s}}$)  

${\mathit {\mathit u}}$-QUARK MASS   $2.16 {}^{+0.49}_{-0.26}$ MeV 
${\mathit {\mathit d}}$-QUARK MASS   $4.67 {}^{+0.48}_{-0.17}$ MeV 
${{\overline{\mathit m}}}$ = (${\mathit m}_{{{\mathit u}}}+{\mathit m}_{{{\mathit d}}})/$2   $3.45 {}^{+0.55}_{-0.15}$ MeV 
${\mathit m}_{{{\mathit u}}}/{\mathit m}_{{{\mathit d}}}$ MASS RATIO   $0.47 {}^{+0.06}_{-0.07}$  
${\mathit {\mathit s}}$-QUARK MASS   $93 {}^{+11}_{-5}$ MeV 
OTHER LIGHT QUARK MASS RATIOS
${\mathit m}_{{{\mathit s}}}/{\mathit m}_{{{\mathit d}}}$ MASS RATIO   $\text{17 - 22}$  
${\mathit m}_{{{\mathit s}}}/{{\overline{\mathit m}}}$ MASS RATIO   $27.3 {}^{+0.7}_{-1.3}$  
$\mathit Q$ MASS RATIO