Topics in supersymmetric theories

Thesis/Dissertation · Sun Jan 01 04:00:00 EST 1984

OSTI ID:6016771

Nemeschansky, D D

This thesis discusses four different topics in supersymmetric theories. In the first part models in which supersymmetry is broken by the Fayet-Iliopoulos mechanism are considered. The possibility that scalar quark and lepton masses might arise radiatively in such theories is explored. In the second part supersymmetric grand unified models with a sliding singlet are considered. The author reviews the argument that the sliding singlet does not work in models with large supersymmetry breaking. Then he considers the possibility of using a sliding singlet with low energy supersymmetry breaking. The third part of the thesis deals with the entropy problem of supersymmetric theories. Most supersymmetric models possess a decoupled particle with mass of order 100 GeV which is copiously produced in the early universe and whose decay produces huge amounts of entropy. The author shows how this problem can be avoided in theories in which the hidden sector contains several light fields. In the fourth part effective Lagrangians for supersymmetric theories are studied. The anomalous pion interaction for supersymmetric theories is written down. General properties of this term are studied both on compact and non-compact manifolds.

• Research Organization: Princeton Univ., NJ (USA)
• OSTI ID: 6016771
• Country of Publication: United States
• Language: English

Related Subjects

645400* -- High Energy Physics-- Field Theory
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
BOSONS
DECAY
ELEMENTARY PARTICLES
ENTROPY
FERMIONS
FIELD THEORIES
FUNCTIONS
GRAND UNIFIED THEORY
HADRONS
LAGRANGIAN FUNCTION
LEPTONS
MASS
MATHEMATICAL MANIFOLDS
MATHEMATICAL MODELS
MESONS
PARTICLE DECAY
PARTICLE MODELS
PHYSICAL PROPERTIES
PIONS
POSTULATED PARTICLES
PSEUDOSCALAR MESONS
QUARKS
SUPERSYMMETRY
SYMMETRY
SYMMETRY BREAKING
THERMODYNAMIC PROPERTIES
UNIFIED GAUGE MODELS
UNIFIED-FIELD THEORIES
UNIVERSE