Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-06-17
Physics
High Energy Physics
High Energy Physics - Phenomenology
21 pages, 30 figures; in v2 all figures modified slightly to account for plotting error, discussion of impact of recent Higgs
Scientific paper
The Higgs Triplet Model (HTM) of neutrino mass generation predicts the existence of doubly charged Higgs bosons (H^{\pm\pm}). In the HTM a scalar eigenstate (H_2) is dominantly composed of the scalar field from the isospin doublet, and could be significantly heavier than H^{\pm\pm}. Such a scenario would allow the possibility of a large branching ratio for the decay H_2-> H^{++}H^{--}. From the production mechanism of gluon-gluon fusion, gg-> H_2, the above decay mode would give rise to pair production of doubly charged Higgs bosons (H^{++}H^{--}) with a cross section which could be significantly larger than the cross sections for the standard production mechanisms qqbar -> \gamma,Z-> H^{++}H^{--} and q'qbar -> W -> H^{\pm\pm}H^{\mp}. We discuss the phenomenological consequences for the ongoing searches for H^{\pm\pm} at the Tevatron and at the LHC.
Akeroyd Andrew G.
Moretti Sébastien
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