Updated Parameter Limits of the Left-Right Symmetric Model

Details Updated Parameter Limits of the Left-Right Symmetric Model Updated Parameter Limits of the Left-Right Symmetric Model

1994-10-05

arxiv.org/abs/hep-ph/9410227v1

Phys.Lett. B344 (1995) 233-239

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages, TURKU-FL-P12

Scientific paper

10.1016/0370-2693(94)01558-T

Bounds of the neutral current sector parameters of the left-right symmetric model are investigated taking into account the low-energy data, LEP-data and CDF-result for the top mass $m_t=174\pm 10^{+13}_{-12}$. It is found that in the case of the minimal scalar sector with a left- and a right-handed triplet and a bidoublet Higgses the mass of the heavy neutral gauge boson $M_{Z'}$ should be larger than 1.2 TeV, assuming equal left- and right-handed gauge couplings and a negligible VEV of the left-handed triplet. For larger values of the ratio $g_L/g_R$ smaller values of $M_{Z'}$ are allowed.

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