Experimental search for the decay mode KL → π+π-e+e-

T. Nomura, Y. Hemmi, H. Kurashige, Y. Matono, K. Murakami, H. Sakamoto, N. Sasao, M. Suehiro, Y. Takeuchi, Y. Fukushima, Y. Ikegami, T. T. Nakamura, T. Taniguchi, M. Asai

Research output: Contribution to journalArticlepeer-review

7 Citations (Scopus)


We report on results of an experimental search for the KL → π+π- e+e- decay mode. We have found no evidence for the decay and obtained a 90% confidence level upper limit of 4.6 × 10-7 for its branching ratio.

Original languageEnglish
Pages (from-to)445-449
Number of pages5
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number1-4
Publication statusPublished - Sept 11 1997
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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