Weinberg’s Compositeness †

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Abstract

Nearly 60 years ago, Weinberg suggested a criterion for particle “compositeness”, which has acquired a new life with the discovery of new, exotic hadrons. His idea resonates with model-based intuition. I discuss the role it plays in the context of another of Weinberg’s creations, the model-independent framework of effective field theories.

Original languageEnglish (US)
Article number1884
JournalSymmetry
Volume14
Issue number9
DOIs
StatePublished - Sep 2022

Keywords

  • bound states
  • composite particles
  • effective field theory
  • elementary fields
  • resonances

ASJC Scopus subject areas

  • Computer Science (miscellaneous)
  • Chemistry (miscellaneous)
  • Mathematics(all)
  • Physics and Astronomy (miscellaneous)

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