Journal article
Precision measurement of the Λb(0) baryon lifetime.
- Abstract:
-
The ratio of the Λb(0) baryon lifetime to that of the B(0) meson is measured using 1.0 fb(-1) of integrated luminosity in 7 TeV center-of-mass energy pp collisions at the LHC. The Λb(0) baryon is observed for the first time in the decay mode Λb(0)→J/ψpK-, while the B(0) meson decay used is the well known B(0)→J/ψπ+ K- mode, where the π+ K- mass is consistent with that of the K(*0)(892) meson. The ratio of lifetimes is measured to be 0.976±0.012±0.006, in agreement with theoretical expectatio...
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- Publication status:
- Published
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- Publisher copy:
- 10.1103/physrevlett.111.102003
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Authors
Bibliographic Details
- Journal:
- Physical Review Letters
- Volume:
- 111
- Issue:
- 10
- Pages:
- 102003
- Publication date:
- 2013-09-01
- DOI:
- EISSN:
-
1079-7114
- ISSN:
-
0031-9007
- Source identifiers:
-
414375
Item Description
- Language:
- English
- Keywords:
- Pubs id:
-
pubs:414375
- UUID:
-
uuid:2f526214-aa9a-4049-a58f-f7959fa25428
- Local pid:
- pubs:414375
- Deposit date:
- 2013-11-16
Terms of use
- Copyright date:
- 2013
- Notes:
- 11 pages 6 figures, v2 minor corrections
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