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Measurement of the top-quark mass in all-jets $\text{t}\bar{\mathrm{t}}$ events in pp collisions at $\sqrt{s}$ = 7 TeV


CMS Collaboration. Measurement of the top-quark mass in all-jets $\text{t}\bar{\mathrm{t}}$ events in pp collisions at $\sqrt{s}$ = 7 TeV. European Physical Journal C - Particles and Fields.

Abstract

The mass of the top quark is measured using a sample of $\text{t}\bar{\mathrm{t}}$ candidate events with at least six jets in the final state. The sample is selected from data collected with the CMS detector in pp collisions at $\sqrt{s}$ = 7 TeV in 2011 and corresponds to an integrated luminosity of 3.54 $\text{f}b^{−1}$ . The mass is reconstructed for each event employing a kinematic fit of the jets to a $\text{t}\bar{\mathrm{t}}$ hypothesis. The top-quark mass is measured to be 173.49 $\pm$ 0.69(stat.) $\pm$ 1.21(syst.) GeV. A combination with previously published measurements in other decay modes by CMS yields a mass of 173.54 $\pm$ 0.33(stat.) $\pm$ 0.96(syst.) GeV.

Abstract

The mass of the top quark is measured using a sample of $\text{t}\bar{\mathrm{t}}$ candidate events with at least six jets in the final state. The sample is selected from data collected with the CMS detector in pp collisions at $\sqrt{s}$ = 7 TeV in 2011 and corresponds to an integrated luminosity of 3.54 $\text{f}b^{−1}$ . The mass is reconstructed for each event employing a kinematic fit of the jets to a $\text{t}\bar{\mathrm{t}}$ hypothesis. The top-quark mass is measured to be 173.49 $\pm$ 0.69(stat.) $\pm$ 1.21(syst.) GeV. A combination with previously published measurements in other decay modes by CMS yields a mass of 173.54 $\pm$ 0.33(stat.) $\pm$ 0.96(syst.) GeV.

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Additional indexing

Item Type:Journal Article, refereed
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Deposited On:18 Feb 2014 13:01
Last Modified:21 Nov 2017 17:13
Publisher:Springer
ISSN:1434-6044
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1140/epjc/s10052-014-2758-x

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