Gauge coupling unification with partly composite matter

Research output: Chapter in Book/Report/Conference proceedingConference contribution


It is shown how gauge coupling unification can occur in models with partly composite matter. The particle states which are composite only contribute small logarithmns to the running of gauge couplings, while the elementary states contribute the usual large logarithmns. This introduces a new differential running contribution to the gauge couplings from partly composite SU(5) matter multiplets. In particular, for partly supersymmetric models, the incomplete SU(5) elementary matter multiplets restore gauge coupling unification even though the usual elementary gaugino and Higgsino contributions need not be present.

Original languageEnglish (US)
Title of host publicationPARTICLES, STRINGS, AND COSMOLOGY
Subtitle of host publication11th International Symposium on Particles, Strings, and Cosmology, PASCOS 2005
Number of pages6
StatePublished - Dec 2 2005
Event11th International Symposium on Particles, Strings and Cosmology, PASCOS 2005 - Gyeongju, Korea, Republic of
Duration: May 30 2005Jun 4 2005

Publication series

NameAIP Conference Proceedings
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616


Other11th International Symposium on Particles, Strings and Cosmology, PASCOS 2005
Country/TerritoryKorea, Republic of


  • Compositeness
  • Grand unification
  • Supersymmetry


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