Prospects for Measuring Vtb via s-channel Single Top at ATLAS

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The production of single top quarks via the electroweak interaction promises to provide new opportunities to both test the Standard Model and search for new physics. In particular, electroweak top production provides the only means to directly measure the CKM matrix element Vtb at ATLAS. The s-chann...

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Detalles Bibliográficos
Autores principales: O'Neil, D C, Lefebvre, M, González-Pineiro, B
Lenguaje:eng
Publicado: 2001
Materias:
Detectors and Experimental Techniques
Acceso en línea:http://cds.cern.ch/record/529221
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author O'Neil, D C
Lefebvre, M
González-Pineiro, B
author_facet O'Neil, D C
Lefebvre, M
González-Pineiro, B
author_sort O'Neil, D C
collection CERN
description The production of single top quarks via the electroweak interaction promises to provide new opportunities to both test the Standard Model and search for new physics. In particular, electroweak top production provides the only means to directly measure the CKM matrix element Vtb at ATLAS. The s-channel has the lowest rate, but is the best theoretically understood mechanism of electroweak top production. An evaluation of the potential for background suppression and Vtb measurement in this channel is presented. It is found that significant background suppression can be achieved and Vtb can be measured in the s-channel to a statistical precision of 2.8% after 30 inverse femtobarns of integrated luminosity at the LHC.
id cern-529221
institution Organización Europea para la Investigación Nuclear
language eng
publishDate 2001
record_format invenio
spelling cern-5292212019-09-30T06:29:59Zhttp://cds.cern.ch/record/529221engO'Neil, D CLefebvre, MGonzález-Pineiro, BProspects for Measuring Vtb via s-channel Single Top at ATLASDetectors and Experimental TechniquesThe production of single top quarks via the electroweak interaction promises to provide new opportunities to both test the Standard Model and search for new physics. In particular, electroweak top production provides the only means to directly measure the CKM matrix element Vtb at ATLAS. The s-channel has the lowest rate, but is the best theoretically understood mechanism of electroweak top production. An evaluation of the potential for background suppression and Vtb measurement in this channel is presented. It is found that significant background suppression can be achieved and Vtb can be measured in the s-channel to a statistical precision of 2.8% after 30 inverse femtobarns of integrated luminosity at the LHC.SN-ATLAS-2001-007ATL-COM-PHYS-2001-012oai:cds.cern.ch:5292212001-06-27
spellingShingle Detectors and Experimental Techniques
O'Neil, D C
Lefebvre, M
González-Pineiro, B
Prospects for Measuring Vtb via s-channel Single Top at ATLAS
title Prospects for Measuring Vtb via s-channel Single Top at ATLAS
title_full Prospects for Measuring Vtb via s-channel Single Top at ATLAS
title_fullStr Prospects for Measuring Vtb via s-channel Single Top at ATLAS
title_full_unstemmed Prospects for Measuring Vtb via s-channel Single Top at ATLAS
title_short Prospects for Measuring Vtb via s-channel Single Top at ATLAS
title_sort prospects for measuring vtb via s-channel single top at atlas
topic Detectors and Experimental Techniques
url http://cds.cern.ch/record/529221
work_keys_str_mv AT oneildc prospectsformeasuringvtbviaschannelsingletopatatlas
AT lefebvrem prospectsformeasuringvtbviaschannelsingletopatatlas
AT gonzalezpineirob prospectsformeasuringvtbviaschannelsingletopatatlas

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