Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1997-02-07
Phys.Rev.Lett. 79 (1997) 181-184
Physics
High Energy Physics
High Energy Physics - Phenomenology
This version appears in the Phys. Rev. Letters 79, 181 (1997); the main results are same as in the original version
Scientific paper
10.1103/PhysRevLett.79.181
We propose a new class of gauge mediated supersymmetry breaking models where the standard model gauge group is embedded into the gauge group $SU(2)_L\times U(1)_{I_{3R}}\times U(1)_{B-L}$ [or $SU(2)_L\times SU(2)_R\times U(1)_{B-L}$] at the supersymmetry breaking scale $\Lambda_S$. The messenger sector in these models can consist of color singlet but $U(1)_{I_{3R}}$ and $U(1)_{B-L}$ nonsinglet fields. The distinguishing feature of these models are (i)exact R-parity conservation, (ii) nonvanishing neutrino masses and (iii) a unified hidden and messenger sector potential. The simplest version of these models predicts the existence of light gluinos which can however be made heavier by a simple modification of the supersymmetry breaking sector.
Mohapatra Rabindra N.
Nandi Satyanarayan
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