A LOW αs AND ITS CONSEQUENCES FOR UNIFIED MODEL BUILDING

Author:

BRAHMACHARI BISWAJOY1,MOHAPATRA RABINDRA N.2

Affiliation:

1. High Energy Section, International Centre for Theoretical Physics 34100 Trieste, Italy

2. Department of Physics, University of Maryland, College Park, Maryland 20742, USA

Abstract

We review various ways of obtaining consistency between the idea of supersymmetric grand unification and an apparent low value of αs~0.112 indicated by several low energy experiments. We argue that to reconcile the low value of αs with the predictions of supersymmetric GUT’s, we need to go beyond the standard minimal supersymmetric GUT scenario and invoke new physics either at 1011–1012 GeV or at the GUT scale.

Publisher

World Scientific Pub Co Pte Lt

Subject

Astronomy and Astrophysics,Nuclear and High Energy Physics,Atomic and Molecular Physics, and Optics

Cited by 9 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. LOW SCALE INFLATION AND THE IMMEDIATE HEAVY CURVATON DECAY;Modern Physics Letters A;2005-09-07

2. An introduction to extra dimensions;Journal of Physics: Conference Series;2005-01-01

3. Effect of extra dimensions on gauge coupling unification;Nuclear Physics B;1999-10

4. Problem ofαsin supersymmetric unified theories;Physical Review D;1998-11-20

5. Dimension-Six Proton Decays in the Modified Missing Doublet SU(5) Model;Progress of Theoretical Physics;1997-12-01

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