A kinematically complete measurement of Κ+ → π+π0π0 decays

Y. H. Shin, M. Abe, M. Aoki, I. Arai, Y. Asano, T. Baker, M. Blecher, M. D. Chapman, D. Dementyev, P. Depommier, M. Grigorjev, P. Gumplinger, M. Hasinoff, R. Henderson, K. Horie, W. S. Hou, H. C. Huang, Y. Igarashi, T. Ikeda, A. IvashkinJ. Imazato, J. M. Lee, K. S. Lee, G. Y. Lim, J. H. Kang, W. Keil, M. Khabibullin, A. Khotjantsev, Y. Kudenko, Y. Kuno, J. A. Macdonald, C. R. Mindas, O. Mineev, C. Rangacharyulu, S. K. Sahu, S. Sekikawa, H. M. Shimizu, S. Shimizu, K. Shibata, Y. M. Shin, K. S. Sim, A. Suzuki, T. Tashiro, A. Watanabe, D. Wright, T. Yokoi

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Abstract

In a kinematically complete setting, the Κ+ → π+π0π0 decays of stopped Κ+ were measured. In the frame work of the Weinberg polynomial expansion, the coefficients up to quadratic terms were deduced. The results are in good agreement with previous measurements and consistent with CP conservation expectations. The empirical ΔI = 1/2 rule is violated.

Original languageEnglish
Pages (from-to)627-631
Number of pages5
JournalEuropean Physical Journal C
Volume12
Issue number4
Publication statusPublished - 2000 Dec 1

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All Science Journal Classification (ASJC) codes

  • Engineering (miscellaneous)
  • Physics and Astronomy (miscellaneous)

Cite this

Shin, Y. H., Abe, M., Aoki, M., Arai, I., Asano, Y., Baker, T., Blecher, M., Chapman, M. D., Dementyev, D., Depommier, P., Grigorjev, M., Gumplinger, P., Hasinoff, M., Henderson, R., Horie, K., Hou, W. S., Huang, H. C., Igarashi, Y., Ikeda, T., ... Yokoi, T. (2000). A kinematically complete measurement of Κ+ → π+π0π0 decays. European Physical Journal C, 12(4), 627-631.