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

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

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Abstract

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
Volume408
Issue number1-4
Publication statusPublished - Sep 11 1997
Externally publishedYes

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ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Nomura, T., Hemmi, Y., Kurashige, H., Matono, Y., Murakami, K., Sakamoto, H., ... Asai, M. (1997). Experimental search for the decay mode KL → π+π-e+e- Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 408(1-4), 445-449.

Experimental search for the decay mode KL → π+π-e+e- . / Nomura, T.; Hemmi, Y.; Kurashige, H.; Matono, Y.; Murakami, K.; Sakamoto, H.; Sasao, Noboru; Suehiro, M.; Takeuchi, Y.; Fukushima, Y.; Ikegami, Y.; Nakamura, T. T.; Taniguchi, T.; Asai, M.

In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 408, No. 1-4, 11.09.1997, p. 445-449.

Research output: Contribution to journalArticle

Nomura, T, Hemmi, Y, Kurashige, H, Matono, Y, Murakami, K, Sakamoto, H, Sasao, N, Suehiro, M, Takeuchi, Y, Fukushima, Y, Ikegami, Y, Nakamura, TT, Taniguchi, T & Asai, M 1997, 'Experimental search for the decay mode KL → π+π-e+e- ', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 408, no. 1-4, pp. 445-449.
Nomura T, Hemmi Y, Kurashige H, Matono Y, Murakami K, Sakamoto H et al. Experimental search for the decay mode KL → π+π-e+e- Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 1997 Sep 11;408(1-4):445-449.
Nomura, T. ; Hemmi, Y. ; Kurashige, H. ; Matono, Y. ; Murakami, K. ; Sakamoto, H. ; Sasao, Noboru ; Suehiro, M. ; Takeuchi, Y. ; Fukushima, Y. ; Ikegami, Y. ; Nakamura, T. T. ; Taniguchi, T. ; Asai, M. / Experimental search for the decay mode KL → π+π-e+e- In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. 1997 ; Vol. 408, No. 1-4. pp. 445-449.
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