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Measurement of the top-quark mass in all-hadronic decays in p(p)over-bar collisions at CDF II

Aaltonen, T; Abulencia, A; Adelman, J; Affolder, T; Akimoto, T; Albrow, MG; Ambrose, D; ... Zucchelli, S; + view all (2007) Measurement of the top-quark mass in all-hadronic decays in p(p)over-bar collisions at CDF II. Physical Review Letters , 98 (14) , Article 142001. 10.1103/PhysRevLett.98.142001. Green open access

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Abstract

We present a measurement of the top-quark mass M-top in the all-hadronic decay channel t (t) over bar -> W(+)bW(-)(b) over bar -> q(1)(q) over bar (2)bq(3)(q) over bar (4)(b) over bar. The analysis is performed using 310 pb(-1) of root s=1.96 TeV p (p) over bar collisions collected with the CDF II detector using a multijet trigger. The mass measurement is based on an event-by-event likelihood which depends on both the sample purity and the value of the top-quark mass, using 90 possible jet-to-parton assignments in the six-jet final state. The joint likelihood of 290 selected events yields a value of M-top=177.1 +/- 4.9(stat)+/- 4.7(syst) GeV/c(2).

Type: Article
Title: Measurement of the top-quark mass in all-hadronic decays in p(p)over-bar collisions at CDF II
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.98.142001
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.98.142001
Language: English
Additional information: This version is the version of record. For information on re-use, please refer to the publisher’s terms and conditions.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/131715
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