Little Higgs models with a light T quark
| dc.creator | Barcelo, R. | |
| dc.creator | Masip, M. | |
| dc.creator | Moreno-Torres, M. | |
| dc.date | 2007-01-05 | |
| dc.date | 2007-05-24 | |
| dc.date.accessioned | 2026-07-07T11:02:32Z | |
| dc.date.available | 2026-07-07T11:02:32Z | |
| dc.description | We study Little Higgs models based on a SU(3)_1 x SU(3)_2 global symmetry and with two scales (the two vacuum expectation values f_{1,2}) substantially different. We show that all the extra vector boson fields present in these models may be much heavier than the vectorlike T quark necessary to cancel top-quark quadratic corrections. In this case the models become an extension of the standard model with a light (500 GeV) T quark and a scalar Higgs field with a large singlet component. We obtain that the Yukawa and the gauge couplings of the Higgs are smaller than in the standard model, a fact that reduces significantly the Higgs production rate through glu-glu and WW fusion. The T-quark decay into Higgs boson becomes then a dominant Higgs production channel in hadron colliders. | |
| dc.description | 16 pages, version to appear in NPB | |
| dc.identifier | https://arxiv.org/abs/hep-ph/0701040 | |
| dc.identifier | http://arxiv.org/abs/hep-ph/0701040 | |
| dc.identifier | Nucl.Phys.B782:159-170,2007 | |
| dc.identifier | doi:10.1016/j.nuclphysb.2007.05.014 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/188282 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | Little Higgs models with a light T quark | |
| dc.type | text |