CLEO Collaboration, , Kubota, Y., et al, and Britton, D. (1995) Measurements of the inclusive semielectronic D0 branching fraction. Physical Review D, 54, 2994. (doi: 10.1103/PhysRevD.54.2994)
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Abstract
Using the angular correlation between the π + emitted in a D * + → D 0 π + decay and the e + emitted in the subsequent D 0 → X e + ν decay, we have measured the branching fraction for the inclusive semielectronic decay of the D 0 meson to be B ( D 0 → X e + ν ) = [ 6.64 ± 0 . 1 8 ( stat ) ± 0 . 2 9 ( syst ) ] % . The measurement uses 1.7 fb − 1 of e + e − collisions recorded by the CLEO II detector located at the Cornell Electron Storage Ring (CESR). Combining this result with previous CLEO results we find B ( D 0 → X e + ν ) B ( D 0 → K − π + ) = 1.684 ± 0 . 0 5 6 ( stat ) ± 0 . 0 9 3 ( syst ) and B ( D 0 → K − e + ν ) B ( D 0 → X e + ν ) = 0.581 ± 0 . 0 2 3 ( stat ) ± 0 . 0 2 8 ( syst ) . The difference between this inclusive rate and the sum of the measured exclusive branching fractions (measured at CLEO and other experiments) is also presented.
| Item Type: | Articles |
|---|---|
| Additional Information: | Authors for the CLEO Collaboration. |
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Britton, Professor David |
| Authors: | CLEO Collaboration, , Kubota, Y., et al, , and Britton, D. |
| College/School: | College of Science and Engineering > School of Physics and Astronomy |
| Journal Name: | Physical Review D |
| Publisher: | American Physical Society |
| ISSN: | 2470-0010 |
| ISSN (Online): | 2470-0029 |
| Related URLs: |
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