Precision constraints on extra fermion generations

Jens Erler, Paul Langacker

Research output: Contribution to journalArticle

102 Scopus citations

Abstract

There has been recent renewed interest in the possibility of additional fermion generations. At the same time there have been significant changes in the relevant electroweak precision constraints, in particular, in the interpretation of several of the low energy experiments. We summarize the various motivations for extra families and analyze them in view of the latest electroweak precision data.

Original languageEnglish (US)
Article number031801
JournalPhysical review letters
Volume105
Issue number3
DOIs
StatePublished - Jul 13 2010

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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