Improved single sector supersymmetry breaking

Journal Article · Wed Dec 09 04:00:00 EST 1998 · Physical Review D

OSTI ID:836542

Luty, Markus A ^[1]; Terning, John

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1. LBNL Library

Building on recent work by N. Arkani-Hamed and the present authors, we construct realistic models that break supersymmetry dynamically and give rise to composite quarks and leptons, all in a single strongly-coupled sector. The most important improvement compared to earlier models is that the second-generation composite states correspond to dimension-2 ''meson'' operators in the ultraviolet. This leads to a higher scale for flavor physics, and gives a completely natural suppression of flavor-changing neutral currents. We also construct models in which the hierarchy of Yukawa couplings is explained by the dimensionality of composite states. These models provide an interesting and viable alternative to gravity- and gauge-mediated models. The generic signatures are unification of scalar masses with different quantum numbers at the compositeness scale, and lighter gaugino, Higgsino, and third-generation squark and slepton masses. We also analyze large classes of models that give rise to both compositeness and supersymmetry breaking, based on gauge theories with confining, fixed-point, or free-magnetic dynamics.

• Research Organization: Ernest Orlando Lawrence Berkeley National Laboratory, Berkeley, CA (US)
• Sponsoring Organization: US Department of Energy; National Science Foundation Grant PHY-95-14797; AlfredP. Sloan Foundation (US)
• DOE Contract Number: AC03-76SF00098
• OSTI ID: 836542
• Report Number(s): LBNL--42601
• Journal Information: Physical Review D, Journal Name: Physical Review D Journal Issue: 7 Vol. 62
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
LEPTONS
NEUTRAL CURRENTS
PHYSICS
QUANTUM NUMBERS
QUARKS
SCALARS
SUPERSYMMETRY