期刊
EUROPEAN PHYSICAL JOURNAL C
卷 74, 期 5, 页码 -出版社
SPRINGER
DOI: 10.1140/epjc/s10052-014-2839-x
关键词
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资金
- CERN
- CAPES (Brazil)
- CNPq (Brazil)
- FAPERJ (Brazil)
- FINEP (Brazil)
- NSFC (China)
- CNRS/IN2P3 (France)
- Region Auvergne (France)
- BMBF (Germany)
- DFG (Germany)
- HGF (Germany)
- MPG (Germany)
- SFI (Ireland)
- INFN (Italy)
- FOM (The Netherlands)
- NWO (The Netherlands)
- SCSR (Poland)
- MEN/IFA(Romania)
- MinES (Russia)
- Rosatom (Russia)
- RFBR (Russia)
- NRC Kurchatov Institute (Russia)
- MinECo (Spain)
- XuntaGal (Spain)
- GENCAT (Spain)
- SNSF (Switzerland)
- SER (Switzerland)
- NAS Ukraine (Ukraine)
- STFC (United Kingdom)
- NSF (USA)
- ERC under FP7
- IN2P3 (France)
- KIT (Germany)
- SURF (The Netherlands)
- PIC (Spain)
- GridPP (UK)
- STFC [ST/J005495/1, PP/E003095/1, ST/K001302/1, ST/K003534/1, ST/L006146/1, ST/H001026/2, ST/H001069/2, ST/F007094/1, ST/L001144/1, PP/E000347/1, ST/K001604/1, ST/G005974/1, ST/K00137X/1, ST/K00073X/1, ST/K004646/1, ST/K003410/1, ST/H001093/2, ST/M001431/1, ST/K502236/1, ST/J004332/1, LHCb, ST/I505572/1, LHCb Upgrades, ST/K001361/1, ST/I000097/1, ST/H006737/1, ST/H001026/1, ST/H001093/1, ST/I003576/1, ST/J004855/1, ST/L003392/1, ST/K00140X/1, ST/L003538/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/H006737/1] Funding Source: researchfish
- Division Of Physics
- Direct For Mathematical & Physical Scien [1205805] Funding Source: National Science Foundation
The lifetime of the B-c(+) meson is measured using semileptonic decays having a J/psi meson and a muon in the final state. The data, corresponding to an integrated luminosity of 2 fb(-1), are collected by the LHCb detector in collisions at a centre-of-mass energy of 8 TeV. The measured lifetime is tau = 509 +/- 8 +/- 12 fs, where the first uncertainty is statistical and the second is systematic.
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