• Threshold effects in SUSY and non-SUSY GUTs

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    • Abstract


      We discuss recent contributions on threshold effects in grand unfiied theories including minimal SUSY SU (5), non-SUSY modifications of the grand desert in SU(5) and SO(10), and SO(10) with single intermediate symmetires. Consequences of theorems on vanishing GUT-scale corrections to sin2 θw in SO(10) with SU(2)L XSU(2)R XSU(4)c (g2l=g2R) intermediate symmetry are discussed and vanishing corrections on the inter-mediate scale are explicitly demonstrated where predictions are more precise. Threshold and higher dimensional operator effects in SUSY SU(5) recently derived by a number of authors are presented.

    • Author Affiliations


      M K Parida1

      1. Physics Department, North-Easatern Hill University, Laitumkhrah, P. O. Box 21, Shillong - 793 003
    • Dates

  • Pramana – Journal of Physics | News

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