Search for the Decay K+ -> pi+ pi0 nu nubar
/ Authors
E. Adler, M. Aoki, M. Ardebili, M. Atiya, P. Bergbusch, E. Blackmore, D. Bryman, I. Chiang, M. Convery, M. Diwan
and 36 more authors
J. Frank, J. Haggerty, T. Inagaki, M. Ito, S. Kabe, S. Kettell, Y. Kishi, P. Kitching, M. Kobayashi, T. Komatsubara, A. Konaka, Y. Kuno, M. Kuriki, T. Kycia, K. Li, L. Littenberg, J. Macdonald, R. McPherson, P. Meyers, J. Mildenberger, N. Muramatsu, T. Nakano, C. Ng, T. Numao, J. Poutissou, R. Poutissou, G. Redlinger, T. Sato, T. Shinkawa, F. Shoemaker, R. Soluk, J. R. Stone, R. Strand, S. Sugimoto, C. Witzig, Y. Yoshimura
/ Abstract
The first search for the decay K^+ -> pi^+ pi^0 nu nubar has been performed with the E787 detector at BNL. Based on zero events observed in the kinematical search region defined by 90 MeV/c pi^+ pi^0 nu nubar) < 4.3 x 10^{-5} at 90% confidence level is established.
Journal: Physical Review D