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Phenomenological Supergravity

  • Chapter
Electroweak Effects at High Energies

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Abstract

Grand unified theories (GUTs), despite all their successes and aesthetic appeal, seem to be problematic1). Their main defect is the gauge hierarchy problem. It seems very difficult to create, and then keep intact to all orders in perturbation theory, the energy gap of thirteen decades that exists between the electroweak scale Mw(∿ 100 GeV) and the GUT scale MX(≧ 0(1015 GeV)):

$$[\frac{{{M_w}}}{{{M_x}}} \leqslant 0({10^{ - 13}})]$$
((1))

Supersymmetry (SUSY), or Fermion-Boson symmetry2), solves at least the technical aspect of this problem automatically3). Given (1) at the tree level, SUSY theories are able to keep it intact to all orders in perturbation theory.

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Authors and Affiliations

  1. CERN, Geneva, Switzerland

    D. V. Nanopoulos

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  1. D. V. Nanopoulos
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  1. California Institute of Technology, Pasadena, California, USA

    Harvey B. Newman

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© 1985 Plenum Press

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Nanopoulos, D.V. (1985). Phenomenological Supergravity. In: Newman, H.B. (eds) Electroweak Effects at High Energies. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-2451-5_48

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  • DOI: https://doi.org/10.1007/978-1-4613-2451-5_48

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