Anastassov, A. and Barish, B. and Chadha, M. and Chan, S. and Eigen, G. and Miller, J. S. and O’Grady, C. and Schmidtler, M. and Urheim, J. and Würthwein, F. and Weinstein, Alan J. (1998) Investigation of Semileptonic B Meson Decays to p-Wave Charm Mesons. Physical Review Letters, 80 (19). pp. 4127-4131. ISSN 0031-9007. doi:10.1103/PhysRevLett.80.4127. https://resolver.caltech.edu/CaltechAUTHORS:20120113-094121366
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Abstract
We have studied semileptonic B meson decays with a p-wave charm meson in the final state using 3.29×10^6 BB̅ events collected with the CLEO II detector at the Cornell Electron-Positron Storage Ring. We find a value for the exclusive semileptonic product branching fraction B(B^-→D_1^0ℓ^-ν̅ _ℓ)B(D_1^0→D^(*+)π^-) = (0.373±0.085±0.052±0.024)% and an upper limit for B(B^-→D_2^(*0)ℓ^-ν̅_ℓ)B(D_2^(*0)→D^(*+)π^-)<0.16% (90% C.L.). Furthermore, we present the first measurement of the q^2 spectrum for B^-→D_1^0ℓ^-ν̅_ℓ.
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| Additional Information: | © 1998 The American Physical Society. Received 18 August 1997. We gratefully acknowledge the effort of the CESR staff in providing us with excellent luminosity and running conditions. This work was supported by the National Science Foundation, the U.S. Department of Energy, the Heisenberg Foundation, the Alexander von Humboldt Stiftung, the Natural Sciences and Engineering Research Council of Canada, le Fonds Québécois pour la Formation de Cercheurs et l’Aide à la Recherche, and the A. P. Sloan Foundation. | ||||||||||||||||
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| Issue or Number: | 19 | ||||||||||||||||
| Classification Code: | PACS: 13.20.He, 14.40.Lb, 14.40.Nd | ||||||||||||||||
| DOI: | 10.1103/PhysRevLett.80.4127 | ||||||||||||||||
| Record Number: | CaltechAUTHORS:20120113-094121366 | ||||||||||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20120113-094121366 | ||||||||||||||||
| Official Citation: | Investigation of Semileptonic B Meson Decays to p-Wave Charm Mesons A. Anastassov et al. ((CLEO Collaboration)) pp. 4127-4131 | ||||||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||||||
| ID Code: | 28772 | ||||||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||||||
| Deposited By: | Ruth Sustaita | ||||||||||||||||
| Deposited On: | 13 Jan 2012 18:08 | ||||||||||||||||
| Last Modified: | 09 Nov 2021 17:00 |
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