Proton stability in leptoquark models

Sergey Kovalenko, Ivan Schmidt

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

We show that in generic leptoquark (LQ) extensions of the standard model lepton and baryon numbers are not conserved at the level of renormalizable operators. In particular, this may cause fast proton decay. We derive stringent bounds for the 1st generation LQ masses and couplings from the proton stability constraints.

Original languageEnglish
Pages (from-to)104-108
Number of pages5
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume562
Issue number1-2
DOIs
Publication statusPublished - 5 Jun 2003
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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