Light Quark Masses to All Orders of Chiral Expansion

Details Light Quark Masses to All Orders of Chiral Expansion Light Quark Masses to All Orders of Chiral Expansion

2000-04-17

arxiv.org/abs/hep-ph/0004157v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

revtex file, 13 pages, no figure

Scientific paper

We study light (current) quark masses in framework of chiral constitutent
quark model. In our calculation the current quark masses are defined uniquely,
and all order effects of the light quark masses are considered. The results at
energy scale $\mu=m_\rho$ are $m_s=(160\pm 15)$MeV, $m_s/m_d=20.2\pm 3.0$,
$m_u/m_d=0.5\pm 0.09$.

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