Study of ATLAS Sensitivity to FCNC TOP Quark Decay t--> Zq
| dc.creator | Chikovani, L. | |
| dc.creator | Djobava, T. | |
| dc.date | 2000-08-05 | |
| dc.date.accessioned | 2026-07-07T03:34:02Z | |
| dc.date.available | 2026-07-07T03:34:02Z | |
| dc.description | The sensitivity of ATLAS experiment to the top-quark rare decay via flavor- changing neutral currents t \to Zq (q represents c and u quarks) have been studied at \sqrt{s}= 14 TeV in two decay modes: 1. The pure leptonic decay of gauge bosons: t\bar{t} \to ZqWb \to l^{+} l^{-} j l^{+-} nu j_{b} (l=e, mu) 2. The leptonic decay of Z bosons and hadronic decay of W bosons t\bar{t} \to ZqWb \to l^{+} l^{-} jjjj_{b} (l=e, mu) The dominant backgrounds Z-jets, Zw and t\bar{t} has been analysed. The signal and backgrounds were generated via PYTHIA 5.7, simulated and analysed using ATLFAST 2.14. A branching ratio for t \to Zq as low as 1.1x1-^{4} for the leptonic mode and 2.3x10^{4} for hadronic mode could be discovered at the 5σlevel with an integrated luminosity of 10^{5} pb^{-1}. | |
| dc.description | 38 pages with 8 ps figures | |
| dc.identifier | https://arxiv.org/abs/hep-ex/0008010 | |
| dc.identifier | http://arxiv.org/abs/hep-ex/0008010 | |
| dc.identifier.uri | http://salesiana.dossiersoluciones.com/handle/123456789/36816 | |
| dc.subject | High Energy Physics - Experiment | |
| dc.title | Study of ATLAS Sensitivity to FCNC TOP Quark Decay t--> Zq | |
| dc.type | text |