A one-loop chiral perturbation theory calculation with unitarization predicts mK*0 - mK*+ = 2.91 (+1.43/-1.41) MeV, favoring the larger experimental K* mass splitting.
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The mass splitting among the isospin multiplets of light vector mesons
A one-loop chiral perturbation theory calculation with unitarization predicts mK*0 - mK*+ = 2.91 (+1.43/-1.41) MeV, favoring the larger experimental K* mass splitting.