Is the δ(980) a broad qq̄qq̄ state?

A. Bramon, E. Massó

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Abstract

The conventional (qq̄) or unconventional (qq̄qq̄) interpretation of the scalar δ(980) meson is reconsidered by analyzing a series of processes (η′→ηππ decay, D,E→δπ decays and δ0-tadpole contributions to e.m. mass-mixing) which are sensitive to these alternative interpretations. A conventional (qq̄) nature for the δ(980) turns out to be preferred in all the cases. © 1983.
Original languageEnglish
Pages (from-to)240-244
JournalPhysics Letters B
Volume120
Issue number1-3
DOIs
Publication statusPublished - 6 Jan 1983

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