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First Observation of the DecaysB0→D*−pp¯π+andB0→D*−pn¯
- Source :
- Physical Review Letters. 86:2732-2736
- Publication Year :
- 2001
- Publisher :
- American Physical Society (APS), 2001.
-
Abstract
- We report the first observation of exclusive decays of the type B-->D(*)N_NX, where N is a nucleon. Using a sample of 9.7x10(6)B_B pairs collected with the CLEO detector operating at the Cornell Electron Storage Ring, we measure the branching fractions B(B0-->D(*-)p_p pi(+)) = (6.5(+1.3)(-1.2)+/-1.0)x10(-4) and B(B0-->D(*-)p_n) = (14.5(+3.4)(-3.0)+/-2.7)x10(-4). Antineutrons are identified by their annihilation in the CsI electromagnetic calorimeter.
Details
- ISSN :
- 10797114 and 00319007
- Volume :
- 86
- Database :
- OpenAIRE
- Journal :
- Physical Review Letters
- Accession number :
- edsair.doi...........4cab9c181e64e68f84ab11c2194eea2b
- Full Text :
- https://doi.org/10.1103/physrevlett.86.2732