Residue phase θ of light hadron resonances is primarily determined by geometric phase δ₀ from the threshold, with vector resonances aligning closely and scalars showing 10-15° deviations attributed to Adler zeros.
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Elastic phase shift analysis reveals the geometric origin of the residue phase
Residue phase θ of light hadron resonances is primarily determined by geometric phase δ₀ from the threshold, with vector resonances aligning closely and scalars showing 10-15° deviations attributed to Adler zeros.