A Higgs-Higgs bound state due to New Physics at a TeV

Details A Higgs-Higgs bound state due to New Physics at a TeV A Higgs-Higgs bound state due to New Physics at a TeV

2007-04-11

arxiv.org/abs/0704.1505v3

Phys.Rev.D76:073002,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

37 pages, 10 figures V3: Journal version, figures added illustrating bound state condition, typos fixed

Scientific paper

10.1103/PhysRevD.76.073002

We examine the effects of new physics effecting the Higgs sector of the standard model, focusing on the effects on the Higgs self couplings. We demonstrate that a low mass higgs, m_h < 2 m_t, can have a strong effective self coupling due to the effects of a new interaction at a TeV. We investigate the possibility that the first evidence of such an interaction could be a higgs-higgs bound state. To this end, we construct an effective field theory formalism to examine the physics of such a low mass higgs boson. We explore the possibility of a non relativistic bound state of the higgs field (Higgsium) at LHC and construct a non relativistic effective field theory of the higgs sector that is appropriate for such studies (NRHET).

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