First Measurement of the Ratio of Branching Fractions Β(Λb → Λc+μ-¯νμ)/Β(Λb → Λc+π-) at CDF II
- Univ. of Pennsylvania, Philadelphia, PA (United States). Dept. of Physics and Astronomy
We present the first measurement of the ratio of branching fractions Β(Λb → Λc+μ-¯νμ)/Β(Λb → Λc+π-) based on 171.5 pb-1 of p¯p collisions at √s = 1.96 TeV taken with the CDF-II detector. In addition, we present measurements of Β(¯Β0 → D*+μ-¯νμ)/Β(¯Β0 → D*+π-) and Β(¯Β0 → D+μ-¯νμ/Β(¯Β0 → D+π-), which serve as control samples to understand the data and Monte Carlo used for the Λb analysis.
- Research Organization:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC02-76CH03000
- OSTI ID:
- 15017217
- Report Number(s):
- FERMILAB-THESIS-2005-11; arXiv eprint number hep-ex/0504059; TRN: US0605135
- Country of Publication:
- United States
- Language:
- English
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