A Measurement of the Neutral B Meson Lifetime using Partially Reconstructed B0 -> D*-pi+ Decays
The neutral B meson lifetime has been measured with the data collected by the BABAR detector at the PEP-II storage ring during the year 2000 for a total integrated luminosity of 20.3 fb{sup -1}. The B{sup 0} {yields} D*{sup -} {pi}{sup +} decays have been selected with a partial reconstruction method in which only the fast pion from the B{sup 0} decay and the slow pion from D*{sup -} {yields} {bar D}{sup 0}{pi}{sup -} are reconstructed. The B{sup 0} lifetime has been measured to be 1.510 {+-} 0.040 {+-} 0.038 ps with a sample of 6971 {+-} 241 reconstructed signal events.
- Research Organization:
- SLAC National Accelerator Lab., Menlo Park, CA (United States)
- Sponsoring Organization:
- USDOE Office of Energy Research (ER) (US)
- DOE Contract Number:
- AC03-76SF00515
- OSTI ID:
- 799036
- Report Number(s):
- SLAC-PUB-9185; TRN: US0205173
- Resource Relation:
- Other Information: PBD: 27 Mar 2002
- Country of Publication:
- United States
- Language:
- English
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