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Improved measurement of the K+-->pi+nunu; branching ratio.
Anisimovsky, V V; Artamonov, A V; Bassalleck, B; Bhuyan, B; Blackmore, E W; Bryman, D A; Chen, S; Chiang, I-H; Christidi, I-A; Cooper, P S; Diwan, M V; Frank, J S; Fujiwara, T; Hu, J; Ivashkin, A P; Jaffe, D E; Kabe, S; Kettell, S H; Khabibullin, M M; Khotjantsev, A N; Kitching, P; Kobayashi, M; Komatsubara, T K; Konaka, A; Kozhevnikov, A P; Kudenko, Yu G; Kushnirenko, A; Landsberg, L G; Lewis, B; Li, K K; Littenberg, L S; Macdonald, J A; Mildenberger, J; Mineev, O V; Miyajima, M; Mizouchi, K; Mukhin, V A; Muramatsu, N; Nakano, T; Nomachi, M; Nomura, T; Numao, T; Obraztsov, V F; Omata, K; Patalakha, D I; Petrenko, S V; Poutissou, R; Ramberg, E J; Redlinger, G; Sato, T.
Phys Rev Lett ; 93(3): 031801, 2004 Jul 16.
Artigo em Inglês | MEDLINE | ID: mdl-15323812

RESUMO

An additional event near the upper kinematic limit for K+-->pi(+)nunu; has been observed by experiment E949 at Brookhaven National Laboratory. Combining previously reported and new data, the branching ratio is B(K+-->pi(+)nunu;)=(1.47(+1.30)(-0.89))x10(-10) based on three events observed in the pion momentum region 211

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