期刊
PHYSICS LETTERS B
卷 714, 期 1, 页码 24-31出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2012.06.007
关键词
CDF; Tevatron; Top quark mass; All-hadronic channel; Jet energy scale; Likelihood fit; Physics
资金
- U.S. Department of Energy
- National Science Foundation
- Italian Istituto Nazionale di Fisica Nucleare
- Ministry of Education, Culture, Sports, Science and Technology of Japan
- Natural Sciences and Engineering Research Council of Canada
- National Science Council of the Republic of China
- Swiss National Science Foundation
- A.P. Sloan Foundation
- Bundesministerium fur Bildung und Forschung, Germany
- Korean World Class University Program
- National Research Foundation of Korea
- Science and Technology Facilities Council and the Royal Society, UK
- Russian Foundation for Basic Research
- Ministerio de Ciencia e Innovacion
- Programa Consolider-Ingenio, Spain
- Slovak RD Agency
- Academy of Finland
- Australian Research Council (ARC)
- ICREA Funding Source: Custom
- Grants-in-Aid for Scientific Research [23540338] Funding Source: KAKEN
- Science and Technology Facilities Council [ST/H001026/2, ST/H001069/2, ST/H001026/1, PP/E003699/1, PP/E003699/2] Funding Source: researchfish
- STFC [ST/H001026/2, ST/H001026/1, PP/E003699/2, ST/H001069/2, PP/E003699/1] Funding Source: UKRI
A measurement of the top quark mass (M-top) in the all-hadronic decay channel is presented. It uses 5.8 fb(-1) of pp data collected with the CDF II detector at the Fermilab Tevatron Collider. Events with six to eight jets are selected by a neural network algorithm and by the requirement that at least one of the jets is tagged as a b-quark jet. The measurement is performed with a likelihood fit technique, which simultaneously determines Mtop and the jet energy scale (JES) calibration. The fit yields a value of M-top = 172.5 +/- 1.4(stat) +/- 1.0(JES) +/- 1.1(syst) GeV/c(2). (C) 2012 Elsevier B.V. All rights reserved.
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