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Measurement of Top Quark Mass in the All Hadronic Channel in sqrt(s) = 1.96TeV, $par{p}$ Collisions at D0

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posted on 2008-04-17, 00:00 authored by David Wai Kui Lam
A measeurement of the top quark mass in proton-antiproton collisions at $sqrt{s} = 1.96 TeV$ using $1040 fb^{-1}$ of data collected in D0 detector at Fermilab is presented. This analysis focuses on the all-hadronic decay mode of the top quark and therefore only events with six or more calorimeter jets in the final state are considered. The measured top masses in the six jets and seven or more jets events are:$m^{6j}{top} = 187.3 ^{+6.4}{-5.7} mbox{(stat.)} ^{+3.2}{-4.0}mbox{(syst.)} GeV/c2$$m^{7+j}{top} = 173.8 ^{+9.4}{-7.6} mbox{(stat.)} ^{+3.1}{-7.4}mbox{(syst.)} GeV/c2$ The results from both cases can be combined to give:$m{top} = 183.6 ^{+5.3}{-4.8} mbox{(stat.)} ^{+3.2}_{-4.6} mbox{(syst.)}GeV/c2$

History

Date Created

2008-04-17

Date Modified

2018-10-04

Defense Date

2008-04-10

Research Director(s)

Michael D. Hildreth

Committee Members

Ikaros I. Bigi Umesh Garg John M. LoSecco

Degree

  • Doctor of Philosophy

Degree Level

  • Doctoral Dissertation

Language

  • English

Alternate Identifier

etd-04172008-163122

Publisher

University of Notre Dame

Program Name

  • Physics

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