The heavy quark search at the LHC
| dc.creator | Holdom, B. | |
| dc.date | 2007-05-14 | |
| dc.date.accessioned | 2026-07-07T13:06:29Z | |
| dc.date.available | 2026-07-07T13:06:29Z | |
| dc.description | We explore further the discovery potential for heavy quarks at the LHC, with emphasis on the $t'$ and $b'$ of a sequential fourth family associated with electroweak symmetry breaking. We consider QCD multijets, $t\bar{t}+\rm{jets}$, $W+\rm{jets}$ and single $t$ backgrounds using event generation based on improved matrix elements and low sensitivity to the modeling of initial state radiation. We exploit a jet mass technique for the identification of hadronically decaying $W$'s and $t$'s, to be used in the reconstruction of the $t'$ or $b'$ mass. This along with other aspects of event selection can reduce backgrounds to very manageable levels. It even allows a search for both $t'$ and $b'$ in the absence of $b$-tagging, of interest for the early running of the LHC. A heavy quark mass of order 600 GeV is motivated by the connection to electroweak symmetry breaking, but our analysis is relevant for any new heavy quarks with weak decay modes. | |
| dc.description | 12 pages, 7 figures | |
| dc.identifier | https://arxiv.org/abs/0705.1736 | |
| dc.identifier | http://arxiv.org/abs/0705.1736 | |
| dc.identifier | JHEP 0708:069,2007 | |
| dc.identifier | doi:10.1088/1126-6708/2007/08/069 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/227799 | |
| dc.subject | High Energy Physics - Phenomenology | |
| dc.title | The heavy quark search at the LHC | |
| dc.type | text |