Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1995-01-18
Phys.Rev.D52:5366-5369,1995
Physics
High Energy Physics
High Energy Physics - Phenomenology
REVTEX 10 Pages + 3 Figs.(uu compressed)
Scientific paper
10.1103/PhysRevD.52.5366
Limits on gravitational smearing from the dominant dimension 5 operator (with strength characterised by $cM/2M_{Planck}$) are obtained using the LEP data in supersymmetric SU(5) grand unification. Effects of c on the quasi infrared fixed point solutio ns of $m_b/m_{\tau}$ unification are also analysed. It is found that $c>0$ softens and $c<0$ stiffens the fixed point constraint. The effect of c on the upper bound of the Higgs triplet mass is analysed and the existence of a scaling induced by c is discussed. Tests for the existence of gravitational smearing are discussed.
Dasgupta Tarakeshwar
Mamales P.
Nath Pran
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