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Top-quark mass measurement in events with jets and missing transverse energy using the full CDF data set


CDF Collaboration; et al; Canelli, F; Kilminster, B (2013). Top-quark mass measurement in events with jets and missing transverse energy using the full CDF data set. Physical Review D (Particles, Fields, Gravitation and Cosmology), 88(1):011101.

Abstract

We present a measurement of the top-quark mass using the full data set of Tevatron s√=1.96  TeV proton-antiproton collisions recorded by the CDF II detector, corresponding to an integrated luminosity of 8.7  fb−1. The analysis uses events with one semileptonic t or t¯ decay, but without detection of the electron or muon. We select events with significant missing transverse energy and multiple jets. We veto events containing identified electrons or muons. We obtain distributions of the top-quark masses and the invariant mass of the two jets from W-boson decays from data and compare these to templates derived from signal and background samples to extract the top-quark mass and the energy scale of the calorimeter jets with in situ calibration. A likelihood fit of the templates from signal and background events to the data yields the top-quark mass, Mtop=173.93±1.64(stat)±0.87(syst)  GeV/c2. This result is the most precise measurement to date of the mass of the top quark in this event topology.

Abstract

We present a measurement of the top-quark mass using the full data set of Tevatron s√=1.96  TeV proton-antiproton collisions recorded by the CDF II detector, corresponding to an integrated luminosity of 8.7  fb−1. The analysis uses events with one semileptonic t or t¯ decay, but without detection of the electron or muon. We select events with significant missing transverse energy and multiple jets. We veto events containing identified electrons or muons. We obtain distributions of the top-quark masses and the invariant mass of the two jets from W-boson decays from data and compare these to templates derived from signal and background samples to extract the top-quark mass and the energy scale of the calorimeter jets with in situ calibration. A likelihood fit of the templates from signal and background events to the data yields the top-quark mass, Mtop=173.93±1.64(stat)±0.87(syst)  GeV/c2. This result is the most precise measurement to date of the mass of the top quark in this event topology.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2013
Deposited On:20 Feb 2014 07:56
Last Modified:05 Apr 2016 17:37
Publisher:American Physical Society
ISSN:1550-2368
Publisher DOI:https://doi.org/10.1103/PhysRevD.88.011101

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