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Measurement of partial branching fractions of inclusive charmless B meson decays to K^{+}, K^{0}, and π^{+}
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(2011) Measurement of partial branching fractions of inclusive charmless B meson decays to K^{+}, K^{0}, and π^{+}. Physical Review D (Particles, Fields, Gravitation and Cosmology), Vol.83 (No.3). article no. 031103(R). doi:10.1103/PhysRevD.83.031103 ISSN 1550-7998.
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Official URL: http://dx.doi.org/10.1103/PhysRevD.83.031103
Abstract
We present measurements of partial branching fractions of B→K+X, B→K0X, and B→π+X, where X denotes any accessible final state above the endpoint for B decays to charmed mesons, specifically for momenta of the candidate hadron greater than 2.34 (2.36) GeV for kaons (pions) in the B rest frame. These measurements are sensitive to potential new-physics particles which could enter the b→s(d) loop transitions. The analysis is performed on a data sample consisting of 383×106BB̅ pairs collected with the BABAR detector at the PEP-II e+e- asymmetric energy collider. We observe the inclusive B→π+X process, and we set upper limits for B→K+X and B→K0X. Our results for these inclusive branching fractions are consistent with those of known exclusive modes, and exclude large enhancements due to sources of new physics.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Physical Review D (Particles, Fields, Gravitation and Cosmology) | ||||
Publisher: | American Physical Society | ||||
ISSN: | 1550-7998 | ||||
Official Date: | 2011 | ||||
Dates: |
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Volume: | Vol.83 | ||||
Number: | No.3 | ||||
Number of Pages: | 8 | ||||
Page Range: | article no. 031103(R) | ||||
DOI: | 10.1103/PhysRevD.83.031103 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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