SU(2)-breaking effects for meson masses in lattice QCD

A. Bramon, J. Casulleras

Research output: Contribution to journalArticleResearchpeer-review


The quenched approximation of lattice QCD for Wilson fermions is used to calculate isospin breaking effects in the pseudoscalar- and vector-meson nonets. Mass differences inside the K and K* isodoublets and mixing phenomena for π0-η and ρ{variant}-ω are found to agree with the experimental data. A new and specific method of analysis is proposed and successfully tested. © 1989.
Original languageEnglish
Pages (from-to)429-433
JournalPhysics Letters B
Issue number3-4
Publication statusPublished - 28 Dec 1989


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