Research program in theoretical high-energy physics

Details Research program in theoretical high-energy physics Research program in theoretical high-energy physics

Jun 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986brun.rept.....f&link_type=abstract

Task A Progress Report, Jan. 1 - 31 Dec. 1986 Brown Univ., Providence, RI. Dept. of Physics.

Physics

Broken Symmetry, Cosmology, Gauge Theory, Grand Unified Theory, High Energy Interactions, String Theory, Theoretical Physics, Flavor (Particle Physics), Leptons, Neutrinos, Particle Interactions, Quarks

Scientific paper

This year's research has dealt with a side range of theoretical optics of current interest. New results include: an operator formulation of the covariant interacting string field theory of Witten the string and nonlinear sigma model connection; Kac-Moody and Virasoro algebras and their applications to string theories; compactified strings on group manifold as non-linear sigma models with Wess-Zumino terms and BRST quantization simplicial lattice formulation of gravity and strings; numerical studies of Polyakov strings and their Hausdorff dimensions; stability of vacuum energies for strings compactified on various tori; tests for topological features of string interactions for hadronic processes. Studies in strong coupling phenomena and the continuum description by the technique of infrared extraction, the structure of non-semisimple gauge theories and contracted gauge theories have been continued. Problems associated with the family structure of quarks and leptons, and the interface between cosmology and the grand unification of particle interactions have also been addressed: predictions on the fourth generation quarks; gauge model of fermion flavors and breaking patterns at axion scale; massive neutrinos and oscillations calculability problem in flavor mixings; axion emission for representative types of stars.

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