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Phys. Rev. D 24, 1681–1683 (1981)

Supersymmetry and the scale of unification

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S. Dimopoulos
Institute for Theoretical Physics, Stanford University, Stanford, California 94305, Institute for Theoretical Physics, University of California, Santa Barbara, California 93106, and University of Michigan, Ann Arbor, Michigan 48109

S. Raby
Institute for Theoretical Physics, Stanford University, Stanford, California 94305 and Stanford Linear Accelerator Center, Stanford University, Stanford, California 94305

Frank Wilczek
Institute for Theoretical Physics, University of California, Santa Barbara, California 93106

Received 20 April 1981; published in the issue dated 15 September 1981

Unified theories which are supersymmetric down to energies ∼103-105 GeV have been proposed as possible solutions to the gauge-hierarchy problem. The additional particles then required have significant effects on renormalization of coupling constants. The previous successful calculation of the weak mixing angle is only slightly changed, but the scale of unification is moved significantly higher, into the range of the Planck mass. This may be suggestive of an eventual unification including gravity, and markedly reduces the predicted rate of nucleon decay.

© 1981 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevD.24.1681
DOI:
10.1103/PhysRevD.24.1681
PACS: