Search for the decay D^0→K^0e^+e^-

Creators: Adler, J.; Coffman, D.; DeJongh, F.; Dubois, G. P.; Eigen, G.; Hauser, J.; Hitlin, D. G.; Matthews, C. G.; Mincer, A. I.; Richman, J. D.; Wisniewski, W. J.; Zhu, Y.; Weinstein, A. J.; Mark III Collaboration

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Abstract

A search for the decay of the charmed meson D^0→K^0e^+e^- is presented, based on data collected at the ψ(3770) resonance with the Mark III detector at the SLAC storage ring SPEAR. No evidence for this process is found, resulting in an upper limit on the decay branching ratio of 1.7×10^(-3) at the 90% confidence level.

Additional Information

© 1989 The American Physical Society. Received 30 March 1989; published in the issue dated 1 August 1989. We gratefully acknowledge the efforts of the SPEAR staff. This work was supported in part by the U.S. National Science Foundation and the U.S. Department of Energy under Contracts Nos. DE-AC03-76SF00515, DE-AC02-76ER01195, DE-AC02-87ER40318, DEAC03-81ER40050, and DE-AM03-76SF00034.

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