Why a large sigma term does not require a large strange quark content in the nucleon
Author:
Publisher
IOP Publishing
Subject
Nuclear and High Energy Physics
Reference33 articles.
1. Low-energy πN partial waves, expansions of the πN invariant amplitudes about ν = 0, t = 0 and the value of the current algebra σ term
2. An interior dispersion relation determination of the πN σ-term
3. Simultaneous analysis of the four πN invariant amplitudes at low energies in terms of rational series and evaluation of the σ-commutatorinvariant amplitudes at low energies in terms of rational series and evaluation of the σ-commutator
4. πN σ term from threshold data
5. A new determination of the πN sigma term using hyperbolic dispersion relations in the (ν2,t) plane
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