Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-06-17
Phys.Rev. D72 (2005) 035011
Physics
High Energy Physics
High Energy Physics - Phenomenology
17 pages, 15 figures, references added, version to appear in PRD
Scientific paper
10.1103/PhysRevD.72.035011
Current searches for doubly charged Higgs bosons (H^{\pm\pm}) at the Fermilab Tevatron are sensitive to single production of H^{\pm\pm}, although the pair production mechanism q\bar q\to H^{++}H^{--} is assumed to be dominant. In the context of a Higgs Triplet Model we study the mechanism q'\bar q\to H^{\pm\pm}H^{\mp} at the Tevatron and CERN Large Hadron Collider, and show that its inclusion can significantly improve the search potential for H^{\pm\pm}. Moreover, assuming that the neutrino mass is generated solely by the triplet field Yukawa coupling to leptons, we compare the branching ratios of H^{\pm\pm}\to l^\pm l^\pm and H^{\pm\pm}\to H^\pm W^* for the cases of a normal hierarchical, inverted hierarchical and degenerate neutrino mass spectrum.
Akeroyd Andrew G.
Aoki Mayumi
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