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

doi:10.1016/S0370-2693(97)00897-6

Experimental search for the decay mode K_L → 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 journal › Article

7 Citations (Scopus)

Abstract

We report on results of an experimental search for the K_L → 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 language	English
Pages (from-to)	445-449
Number of pages	5
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	408
Issue number	1-4
DOIs	https://doi.org/10.1016/S0370-2693(97)00897-6
Publication status	Published - Sep 11 1997
Externally published	Yes

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1016/S0370-2693(97)00897-6

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Nomura, T., Hemmi, Y., Kurashige, H., Matono, Y., Murakami, K., Sakamoto, H., Sasao, N., Suehiro, M., Takeuchi, Y., Fukushima, Y., Ikegami, Y., Nakamura, T. T., Taniguchi, T., & Asai, M. (1997). Experimental search for the decay mode K_L → π⁺π^-e⁺e^-. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 408(1-4), 445-449. https://doi.org/10.1016/S0370-2693(97)00897-6

Experimental search for the decay mode K_L → π⁺π^-e⁺e^-. / Nomura, T.; Hemmi, Y.; Kurashige, H.; Matono, Y.; Murakami, K.; Sakamoto, H.; Sasao, N.; 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 journal › Article

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 K_L → π⁺π^-e⁺e^-', Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, vol. 408, no. 1-4, pp. 445-449. https://doi.org/10.1016/S0370-2693(97)00897-6

Nomura, T. ; Hemmi, Y. ; Kurashige, H. ; Matono, Y. ; Murakami, K. ; Sakamoto, H. ; Sasao, N. ; Suehiro, M. ; Takeuchi, Y. ; Fukushima, Y. ; Ikegami, Y. ; Nakamura, T. T. ; Taniguchi, T. ; Asai, M. / Experimental search for the decay mode K_L → 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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