Supersymmetry, naturalness, and dynamical supersymmetry breaking

Journal Article · Tue Sep 15 04:00:00 EDT 1992 · Physical Review, D (Particles Fields); (United States)

DOI:https://doi.org/10.1103/PhysRevD.46.2594· OSTI ID:7027606

Dine, M; MacIntire, D A ^[1]

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1. Santa Cruz Institute for Particle Physics, University of California, Santa Cruz, California 95064 (United States)

Models with dynamical supersymmetry (SUSY) breaking have the potential to solve many of the naturalness problems of hidden sector supergravity models. We review the argument that in a generic supergravity theory in which supersymmetry is {ital dynamically} broken in the hidden sector, only tiny Majorana masses for gauginos are generated. This situation is similar to that of theories with continuous {ital R} symmetries, for which Hall and Randall have suggested that gluino masses could arise through mixings with an octet of chiral fields. We note that, in hidden sector models, such mixing can only occur if the auxiliary {ital D} field of a U(1) gauge field has an expectation value. This in turn gives rise to a catastrophically large Fayet-Iliopoulos term for ordinary hypercharge. To solve this problem it is necessary to unify hypercharge at least partially in a non-Abelian group. We consider, also, some general issues in models with continuous or discrete {ital R} symmetries, noting that it may be necessary to include SU(2)-triplet fields, and that these are subject to various constraints. In the course of these discussions, we consider a number of naturalness problems. We suggest that the so-called {mu} problem'' is not a problem, and point out that in models in which the axion decay constant is directly related to the SUSY-breaking scale, squarks, sleptons, and Higgs particles generically acquire huge masses.

• DOE Contract Number: AC02-83ER40107
• OSTI ID: 7027606
• Journal Information: Physical Review, D (Particles Fields); (United States), Journal Name: Physical Review, D (Particles Fields); (United States) Vol. 46:6; ISSN PRVDA; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

662120* -- General Theory of Particles & Fields-- Symmetry
Conservation Laws
Currents & Their Properties-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
AXIONS
BOSONS
COSMOLOGY
COUPLING
DECAY
DIAGRAMS
ELEMENTARY PARTICLES
FERMIONS
FEYNMAN DIAGRAM
FIELD THEORIES
GOLDSTONE BOSONS
HIGGS BOSONS
LIE GROUPS
MASS
POSTULATED PARTICLES
QUARKS
SU GROUPS
SU-2 GROUPS
SUPERGRAVITY
SUPERSYMMETRY
SYMMETRY
SYMMETRY BREAKING
SYMMETRY GROUPS
U GROUPS
U-1 GROUPS
UNIFIED-FIELD THEORIES