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Test of exotic scalar and tensor interactions in K e3 decay using stopped positive kaons

  • Test of New Physics in Rare Processes and Cosmic Rays
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Abstract

The form factors of the decay K + → π 0 e + ν e (K e3) have been determined from the comparison of the experimental and Monte Carlo Dalitz distributions containing about 105 K e3 events. The following values of the parameters were obtained: λ +=0.0278±0.0017 (stat.)±0.0015 (syst.), |f S/f +(0)|=0.0040±0.0160 (stat.)±0.0067 (syst.), and |f T/f +(0)|=0.019±0.080 (stat.)±0.038 (syst.). Both scalar f S and tensor f T form factors are consistent with the Standard Model predictions of zero values.

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Authors and Affiliations

  1. University of Tsukuba, Japan

    M. Abe, I. Arai, Y. Asano, A. Suzuki & A. Watanabe

  2. KEK, Japan

    M. Aoki, T. Baker, Y. Igarashi, J. Imazato, Y. Kuno, G. Y. Lim & T. Yokoi

  3. University of Saskatchewan, Canada

    T. Baker, C. Rangacharyulu & Y. -M. Shin

  4. Virginia Polytechnic Institute and State University, Blacksburg, VA, 24061, USA

    M. Blecher

  5. University of Montreal, Canada

    P. Depommier

  6. University of British Columbia, Vancouver, Canada

    M. Hasinoff

  7. Osaka University, Japan

    K. Horie, Y. Kuno & S. Shimizu

  8. National Taiwan University, Taipei, Taiwan

    H. C. Huang

  9. Institute of Physical and Chemical Research, Hirosawa, Japan

    T. Ikeda

  10. Korea University, Seoul, Korea

    L. S. Lee & G. Y. Lim

  11. TRIUMF, Canada

    J. A. Macdonald

  12. Princeton University, Princeton, NJ, 08540, USA

    D. R. Marlow & C. R. Mindas

  13. Institute for Nuclear Research, Russian Academy of Sciences, pr. Shestidesyatiletiya Oktyabrya 7a, Moscow, 117312, Russia

    A. S. Levchenko, A. N. Khotjantsev, A. P. Ivashkin, M. Abe, M. A. Aliev, V. V. Anisimovsky, M. Aoki, I. Arai, Y. Asano, T. Baker, M. Blecher, P. Depommier, M. Hasinoff, K. Horie, H. C. Huang, Y. Igarashi, T. Ikeda, J. Imazato, M. M. Khabibullin, Yu. G. Kudenko, Y. Kuno, L. S. Lee, G. Y. Lim, J. A. Macdonald, D. R. Marlow, C. R. Mindas, O. V. Mineev, C. Rangacharyulu, S. Shimizu, Y. -M. Shin, A. Suzuki, A. Watanabe, N. V. Yershov & T. Yokoi

Authors
  1. A. S. Levchenko
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  2. A. N. Khotjantsev
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  3. A. P. Ivashkin
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  4. M. Abe
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  5. M. A. Aliev
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  6. V. V. Anisimovsky
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  7. M. Aoki
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  8. I. Arai
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  9. Y. Asano
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  10. T. Baker
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  11. M. Blecher
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  12. P. Depommier
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  13. M. Hasinoff
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  14. K. Horie
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  15. H. C. Huang
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  16. Y. Igarashi
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  17. T. Ikeda
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  18. J. Imazato
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  19. M. M. Khabibullin
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  20. Yu. G. Kudenko
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  21. Y. Kuno
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  22. L. S. Lee
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  23. G. Y. Lim
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  24. J. A. Macdonald
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  25. D. R. Marlow
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  26. C. R. Mindas
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  27. O. V. Mineev
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  28. C. Rangacharyulu
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  29. S. Shimizu
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  30. Y. -M. Shin
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  31. A. Suzuki
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  32. A. Watanabe
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  33. N. V. Yershov
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  34. T. Yokoi
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Additional information

From Yadernaya Fizika, Vol. 65, No. 12, 2002, pp. 2294–2299.

Original English Text Copyright © 2002 by Levchenko, Khotjantsev, Ivashkin, Abe, Aliev, Anisimovsky, Aoki, Arai, Asano, Baker, Blecher, Depommier, Hasinoff, Horie, Huang, Igarashi, Ikeda, Imazato, Khabibullin, Kudenko, Kuno, Lee, Lim, Macdonald, Marlow, Mindas, Mineev, Rangacharyulu, Shimizu, Shin, Suzuki, Watanabe, Yershov, Yokoi.

The author represents the E246 KEK-PS Collaboration

This article was submitted by the authors in English.

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Levchenko, A.S., Khotjantsev, A.N., Ivashkin, A.P. et al. Test of exotic scalar and tensor interactions in K e3 decay using stopped positive kaons. Phys. Atom. Nuclei 65, 2232–2237 (2002). https://doi.org/10.1134/1.1530306

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  • DOI: https://doi.org/10.1134/1.1530306

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