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BABAR Collaboration; Lees, J P; Poireau, V; Tisserand, V; Snoek, H L; et al (2012). Search for B̅ →Λc+Xℓ-ν̅ ℓ decays in events with a fully reconstructed B meson. Physical Review D (Particles, Fields, Gravitation and Cosmology), 85(1):011102.
We present a search for semileptonic B decays to the charmed baryon Λc+ based on 420 fb-1 of data collected at the Υ(4S) resonance with the BABAR detector at the PEP-II e+e- storage rings. By fully reconstructing the recoiling B in a hadronic decay mode, we reduce non-B backgrounds and determine the flavor of the signal B. We statistically correct the flavor for the effect of the B0 mixing. We obtain a 90% confidence level upper limit of B(B̅ →Λc+Xℓ-ν̅ ℓ)/B(B̅ →Λc+X)<3.5%.
| Item Type: | Journal Article, refereed, original work |
|---|---|
| Communities & Collections: | 07 Faculty of Science > Physics Institute |
| Dewey Decimal Classification: | 530 Physics |
| Scopus Subject Areas: | Physical Sciences > Nuclear and High Energy Physics
Physical Sciences > Physics and Astronomy (miscellaneous) |
| Language: | English |
| Date: | 2012 |
| Deposited On: | 14 Mar 2013 07:53 |
| Last Modified: | 08 Jun 2025 01:39 |
| Publisher: | American Physical Society |
| ISSN: | 1550-2368 |
| OA Status: | Hybrid |
| Publisher DOI: | https://doi.org/10.1103/PhysRevD.85.011102 |
BABAR Collaboration