Production of qqQQ final states in ee collisions in the left-right symmetric model

Abstract

We consider the reaction ee ->qqQQ as a test of lepton number non-conservation in the framework of the left-right-symmetric electroweak model. The main contributions to this process are due to Majorana neutrino exchange in t-channel and doubly charged Higgs (Delta{--}) exchange in s-channel with a pair of right-handed weak bosons (WR) as intermediate state. We show that in a linear ee collider with the collision energy of 1 TeV (1.5 TeV) the cross section of this process is 0.01 fb (1 fb), and it will, for the anticipated luminosity of 10**{35} cm**{-2}, be detectable below the WR threshold. We study the sensitivity of the reaction on the masses of the heavy neutrino, WR and Delta{--}.

arXiv comment24 pages, 9 eps figures, uses axodraw.sty

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• Physics with e^+e^- Linear Colliders
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Cited by in corpus (3)

• Linear Collider Test of a Neutrinoless Double Beta Decay Mechanism in left-right Symmetric Theories
• Signatures of heavy Majorana neutrinos and HERA's isolated lepton events
• Signatures of Right-Handed Majorana neutrinos and gauge bosons in $e\gamma$ Collisions