Title
Measurement of the top quark mass in the dilepton channel using <tex>$m_{T2}$</tex> at CDF Measurement of the top quark mass in the dilepton channel using <tex>$m_{T2}$</tex> at CDF
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
Lancaster, Pa ,
Subject
Physics
Source (journal)
Physical review : D : particles and fields. - Lancaster, Pa, 1970 - 2003
Volume/pages
81(2010) :3 , p. 031102,1-031102,9
ISSN
0556-2821
ISI
000275069000002
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
We present measurements of the top quark mass using mT2, a variable related to the transverse mass in events with two missing particles. We use the template method applied to tt&#773; dilepton events produced in pp&#773; collisions at Fermilabs Tevatron Collider and collected by the CDF detector. From a data sample corresponding to an integrated luminosity of 3.4  fb-1, we select 236 tt&#773; candidate events. Using the mT2 distribution, we measure the top quark mass to be Mtop=168.0-4.0+4.8(stat)±2.9(syst)  GeV/c2. By combining mT2 with the reconstructed top quark mass distributions based on a neutrino weighting method, we measure Mtop=169.3±2.7(stat)±3.2(syst)  GeV/c2. This is the first application of the mT2 variable in a mass measurement at a hadron collider.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/8ba02f/4bf82649.pdf
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