Bounds on the light quark masses

CERN); H. Leutwyler (University of Bern

Bounds on the light quark masses

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arxiv hep-ph/9601234 v1 pith:XOHBGPLI submitted 1996-01-09 hep-ph

H. Leutwyler (University of Bern , CERN) This is my paper · ORCID

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keywords massesquarkboundsformulaelightmasspowersalgebra

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The corrections to the current algebra mass formulae for the pseudoscalar mesons are analyzed by means of a simultaneous exansion in powers of the light quark masses and powers of 1/N. A set of mass formulae is derived, including an inequality, which leads to bounds for ratios of quark masses.

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Novel method for determining the light quark mass ratio using $\eta'\to\eta \pi\pi$ decays
hep-ph 2025-02 conditional novelty 7.0 of 10

A novel unit-disk mapping of Dalitz plots is used to extract the light quark mass ratio Q = 22.3 ± 0.7 from BESIII data on η′ → ηππ decays.

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