Production of doubly charged scalars from the decay of a heavy standard-model-like Higgs boson in the Higgs triplet model

被引:28
作者
Akeroyd, A. G. [1 ,2 ]
Moretti, S. [1 ,2 ]
机构
[1] Univ Southampton, Sch Phys & Astron, Southampton SO17 1BJ, Hants, England
[2] Rutherford Appleton Lab, Particle Phys Dept, Didcot OX11 0QX, Oxon, England
关键词
NEUTRINO-MASS; SU(2)XU(1) MODELS; SEARCH; VIOLATION; PHYSICS;
D O I
10.1103/PhysRevD.84.035028
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The Higgs triplet model (HTM) of neutrino mass generation predicts the existence of doubly charged Higgs bosons (H-+/-+/-). 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-+/-+/-. 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 q (q) over tilde gamma, Z -> H++H--, and q'(q) over tilde -> W -> (HH -/+)-H-+/-+/-. We discuss the phenomenological consequences for the ongoing searches for H-+/-+/- at the Tevatron and at the LHC.
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页数:15
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