Observation of the decay D⁰→K−π+e+e−
Name
PhysRevLett.122.081802.pdf
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Author(s)
Lees, J. P.
Poireau, V.
Tisserand, V.
Grauges, E.
Palano, A.
Eigen, G.
Brown, D. N.
Kolomensky, Yu. G.
Fritsch, M.
Koch, H.
Alternative Title
Observation of the decay D⁰→K[superscript -]π[superscript +]e[superscript +]e[superscript -]
Date Issued
February 2019
Journal
Physical review letters
Publisher
American Physical Society
Citation
Lees, J. P., et al., "Observation of the decay D⁰→K−π+e+e−." Physical review letters 122 (February 2019): no. 081802 doi 10.1103/PhysRevLett.122.081802 ©2019 Author(s)
Version
Final published version
Abstract
We report the observation of the rare charm decay D[superscript 0]→K[superscript -]π[superscript +]e[superscript +]e[superscript -], based on 468 fb-¹ of e[superscript +]e[superscript -] annihilation data collected at or close to the center-of-mass energy of the ϒ(4S) resonance with the BABAR detector at the SLAC National Accelerator Laboratory. We find the branching fraction in the invariant mass range 0.675
MIT Department
Massachusetts Institute of Technology. Laboratory for Nuclear Science
Terms of Use
Creative Commons Attribution 3.0 unported license
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DOI of Published Version
https://doi.org/10.1103/PhysRevLett.122.081802
