期刊
PHYSICAL REVIEW D
卷 87, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.87.011101
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资金
- U.S. Department of Energy
- 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
- Royal Society, UK
- National Science Foundation
- Russian Foundation for Basic Research
- Ministerio de Ciencia e Innovacion
- Programa Consolider-Ingenio, Spain
- Slovak RD Agency
- Academy of Finland
- Australian Research Council (ARC)
- STFC [PP/E003699/1, ST/H001026/2, ST/K00137X/1, ST/K000748/1, ST/H001069/2, ST/J005568/1, PP/E003699/2, ST/K00140X/1, ST/H001085/2, ST/H001026/1, ST/H001085/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/K00140X/1, PP/E003699/2, ST/K000748/1, ST/J005568/1, ST/M001474/1, ST/H001085/1, ST/H001026/2, ST/H001069/2, ST/H001026/1, PP/E003699/1, ST/K00137X/1, ST/K001418/1, ST/H001085/2] Funding Source: researchfish
- ICREA Funding Source: Custom
The lifetime of the B-c(-) meson is measured using 272 exclusive B-c(-) -> J/psi (-> mu(+) mu(-))pi(-) decays reconstructed in data from proton-antiproton collisions corresponding to an integrated luminosity of 6.7 fb(-1) recorded by the CDF II detector at the Fermilab Tevatron. The lifetime of the B-c(-) meson is measured to be tau(B-c(-)) = 0.452 +/- 0.048(stat) +/- 0.027(syst) ps. This is the first measurement of the B-c(-) meson lifetime in a fully reconstructed hadronic channel, and it agrees with previous results and has comparable precision. DOI: 10.1103/PhysRevD.87.011101
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