Top quark mass results at Tevatron

5th International Workshop on Top Quark Physics

Barto, Pavol^1

Faculty of Mathematics, Physics and Inforamtics, Comenius University, Mlynska Dolina F1, Bratislava 842 48, Slovakia^1

关键词: Higgs boson;    Integrated luminosity;    Mass difference;    Precise measurements;    Tevatron;    Top quarks;    W bosons;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/452/1/012020/pdf
DOI  :  10.1088/1742-6596/452/1/012020

来源: IOP

【 摘 要 】

The importance of the precise measurement of the top-quark mass (and W-boson mass) origin in possibility to predict the mass of the Higgs boson. The top-quark mass has been measured by the CDF and DØ experiments in many channels using different methods. The most precise measurement is still the Tevatron combination using the collected data with integrated luminosity of up to 5.8fb-1. The determined mass value is 173.18 ± 0.56(stat)±0.75(syst) GeV or 173.18 ± 0.94 GeV, what gives a precision of ±0.54%. However this article also reports the results using the full datasets, which are not included in the combination. In addition, the measurement of the mass difference of top and anti-top quarks is present showing the difference of 1.95 ± 1.26 GeV.