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https://hdl.handle.net/2440/133573
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Type: | Journal article |
Title: | Combination of the top-quark mass measurements from the Tevatron collider |
Author: | Aaltonen, T. Abazov, V.M. Abbott, B. Acharya, B.S. Adams, M. Adams, T. Alexeev, G.D. Alkhazov, G. Alton, A. Alvarez Gonzalez, B. Alverson, G. Amerio, S. Amidei, D. Anastassov, A. Annovi, A. Antos, J. Apollinari, G. Appel, J.A. Arisawa, T. Artikov, A. et al. |
Citation: | Physical Review D: Particles, Fields, Gravitation and Cosmology, 2012; 86(9):1-31 |
Publisher: | American Physical Society |
Issue Date: | 2012 |
ISSN: | 1550-2368 1550-2368 |
Statement of Responsibility: | T. Aaltonen, V. M. Abazov, B. Abbott, B. S. Acharya, M. Adams ... Lawrence Lee-Jr ... et al. |
Abstract: | The top quark is the heaviest known elementary particle, with a mass about 40 times larger than the mass of its isospin partner, the bottom quark. It decays almost 100% of the time to a W boson and a bottom quark. Using top-antitop pairs at the Tevatron proton-antiproton collider, the CDF and D0 Collaborations have measured the top quark’s mass in different final states for integrated luminosities of up to 5.8 fb−1. This paper reports on a combination of these measurements that results in a more precise value of the mass than any individual decay channel can provide. It describes the treatment of the systematic uncertainties and their correlations. The mass value determined is 173.18±0.56 (stat)±0.75 (syst) GeV or 173.18±0.94 GeV, which has a precision of ±0.54%, making this the most precise determination of the top-quark mass. |
Rights: | © 2012 American Physical Society |
DOI: | 10.1103/PhysRevD.86.092003 |
Published version: | http://dx.doi.org/10.1103/physrevd.86.092003 |
Appears in Collections: | Physics publications |
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