Y. Takeuchi, Y. Hemmi, H. Kurashige, Y. Matono, K. Murakami, T. Nomura, H. Sakamoto, N. Sasao, M. Suehiro, Y. Fukushima, Y. Ikegami, T. T. Nakamura, T. Taniguchi, M. Asai
Published 1998-10-08Version 1
We report on results of an experimental search for the K_L -> pi^+ pi^- e^+ e^- decay mode. We found 13.5 +- 4.0 events and determined its branching ratio to be (4.4 +- 1.3(stat) +- 0.5(syst))*10^{-7}. The result agrees well with the theoretical prediction.
Comments: 9 pages, 6 eps-figures, LaTeX2e, graphicx package, submitted to Physics Letters B
Journal: Phys.Lett.B443:409-414,1998
Experimental search for the decay mode K_L -> pi^0 gamma e^+ e^-
Observation of the decay $\overline{B_s^0} \rightarrow χ_{c2} K^+ K^- $
Observation of the semileptonic decay $B^{+}\to p\overline{p}μ^{+}ν_μ$
