- Abstract:
- From a fit to the impact parameter distribution of lepton tracks from semileptonic b decay, the lifetime of B-hadrons produced in e+e- collisions at the Z0 is measured to be 1.32±0.08 (stat.)±0.09(syst.) ps. Combined with an earlier measurement of the branching ratio Br(B→ℓνX), the CKM matrix element |Vcb| is determined to be 0.046±0.002 (exp.)-0.003+0.004 (theory). © 1991.
- Publication status:
- Published
- Publisher copy:
- 10.1016/0370-2693(91)91547-9
-
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- Journal:
- PHYSICS LETTERS B
- Volume:
- 270
- Issue:
- 1
- Pages:
- 111-122
- Publication date:
- 1991-11-07
- DOI:
- ISSN:
-
0370-2693
- URN:
-
uuid:f449347e-adc0-4b56-abc3-4142496eaa15
- Source identifiers:
-
20876
- Local pid:
- pubs:20876
- Copyright date:
- 1991
Journal article
MEASUREMENT OF THE LIFETIME OF B-HADRONS AND A DETERMINATION OF [VCB]
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