Low-energy supergravitation and the light t-quark

Details Low-energy supergravitation and the light t-quark Low-energy supergravitation and the light t-quark

Mar 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986zhetf..90..838v&link_type=abstract

Zhurnal Eksperimental'noi i Teoreticheskoi Fiziki (ISSN 0044-4510), vol. 90, March 1986, p. 838-856. In Russian.

Mathematics

Group Theory

4

Cosmology, Gravitation Theory, Quarks, String Theory, Unified Field Theory, Bosons, Broken Symmetry, Group Theory, Particle Mass, Supersymmetry

Scientific paper

A number of realistic SU(3)XSU(2)XU(1) models of low-energy spontaneously broken N = 1 supergravity (SUGRA) with various Kaehler potentials including the superstring SUGRA (possessing a Witten-form potential) are examined. The models are limited by two shortcomings: (1) their Lagrangians depend on several unknown parameters, and (2) they result in a cosmological constant (Lambda = Umin) which exceeds the limit consistent with astrophysics. The renormalization group equations, which define the masses of the Higgs scalars and superpartners in terms of theoretically unknown input parameters, are solved, and a class of no-scale SUGRA models is considered with emphasis on superstring theory.

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