Lower and upper bounds on the radius of composite quarks and leptons

Itzhak Bars, Mark J. Bowick, Katherine Freese

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

In certain models of composite quarks and leptons the precolor scale Λp is bounded in the range λ·(20-30)TeV{less-than or approximate}Λp{less-than or approximate}250TeV, where λ is naively of order 1. The lower bound is generally model independent. The upper bound is a cosmological constraint. We give general conditions for its validity and show that it applies in potentially realistic models.

Original languageEnglish (US)
Pages (from-to)159-165
Number of pages7
JournalPhysics Letters B
Volume138
Issue number1-3
DOIs
StatePublished - Apr 12 1984

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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