Upper limit on the branching ratio for the decay π0→νν̄

A. V. Artamonov, B. Bassalleck, B. Bhuyan, E. W. Blackmore, D. A. Bryman, S. Chen, I. H. Chiang, I. A. Christidi, P. S. Cooper, M. V. Diwan, J. S. Frank, T. Fujiwara, J. Hu, D. E. Jaffe, S. Kabe, S. H. Kettell, M. M. Khabibullin, A. N. Khotjantsev, P. Kitching, M. KobayashiT. K. Komatsubara, A. Konaka, A. P. Kozhevnikov, Yu G. Kudenko, A. Kushnirenko, L. G. Landsberg, B. Lewis, K. K. Li, L. S. Littenberg, J. A. MacDonald, J. Mildenberger, O. V. Mineev, M. Miyajima, K. Mizouchi, V. A. Mukhin, N. Muramatsu, T. Nakano, M. Nomachi, T. Nomura, T. Numao, V. F. Obraztsov, K. Omata, D. I. Patalakha, S. V. Petrenko, R. Poutissou, E. J. Ramberg, G. Redlinger, T. Sato, T. Sekiguchi, T. Shinkawa, R. C. Strand, S. Sugimoto, Y. Tamagawa, R. Tschirhart, T. Tsunemi, D. V. Vavilov, B. Viren, N. V. Yershov, Y. Yoshimura, T. Yoshioka

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Abstract

A sample of kinematically identified K+→π+π0 decays obtained with the E949 detector was used to search for the helicity-suppressed decay π0→νν̄ resulting in an upper limit of 2.7×10-7 at 90% confidence level. The upper limit is also applicable to π0 decays into unknown weakly-interacting particles.

Original languageEnglish
Article number091102
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume72
Issue number9
DOIs
Publication statusPublished - Nov 1 2005

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All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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Upper limit on the branching ratio for the decay π0→νν̄. / 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.; 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.; Sekiguchi, T.; Shinkawa, T.; Strand, R. C.; Sugimoto, S.; Tamagawa, Y.; Tschirhart, R.; Tsunemi, T.; Vavilov, D. V.; Viren, B.; Yershov, N. V.; Yoshimura, Y.; Yoshioka, T.

In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 72, No. 9, 091102, 01.11.2005.

Research output: Contribution to journalArticle

Artamonov, AV, Bassalleck, B, Bhuyan, B, Blackmore, EW, Bryman, DA, Chen, S, Chiang, IH, Christidi, IA, Cooper, PS, Diwan, MV, Frank, JS, Fujiwara, T, Hu, J, Jaffe, DE, Kabe, S, Kettell, SH, Khabibullin, MM, Khotjantsev, AN, Kitching, P, Kobayashi, M, Komatsubara, TK, Konaka, A, Kozhevnikov, AP, Kudenko, YG, Kushnirenko, A, Landsberg, LG, Lewis, B, Li, KK, Littenberg, LS, MacDonald, JA, Mildenberger, J, Mineev, OV, Miyajima, M, Mizouchi, K, Mukhin, VA, Muramatsu, N, Nakano, T, Nomachi, M, Nomura, T, Numao, T, Obraztsov, VF, Omata, K, Patalakha, DI, Petrenko, SV, Poutissou, R, Ramberg, EJ, Redlinger, G, Sato, T, Sekiguchi, T, Shinkawa, T, Strand, RC, Sugimoto, S, Tamagawa, Y, Tschirhart, R, Tsunemi, T, Vavilov, DV, Viren, B, Yershov, NV, Yoshimura, Y & Yoshioka, T 2005, 'Upper limit on the branching ratio for the decay π0→νν̄', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 72, no. 9, 091102. https://doi.org/10.1103/PhysRevD.72.091102
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. ; 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. ; Sekiguchi, T. ; Shinkawa, T. ; Strand, R. C. ; Sugimoto, S. ; Tamagawa, Y. ; Tschirhart, R. ; Tsunemi, T. ; Vavilov, D. V. ; Viren, B. ; Yershov, N. V. ; Yoshimura, Y. ; Yoshioka, T. / Upper limit on the branching ratio for the decay π0→νν̄. In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 2005 ; Vol. 72, No. 9.
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title = "Upper limit on the branching ratio for the decay π0→νν̄",
abstract = "A sample of kinematically identified K+→π+π0 decays obtained with the E949 detector was used to search for the helicity-suppressed decay π0→νν̄ resulting in an upper limit of 2.7×10-7 at 90{\%} confidence level. The upper limit is also applicable to π0 decays into unknown weakly-interacting particles.",
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T1 - Upper limit on the branching ratio for the decay π0→νν̄

AU - Artamonov, A. V.

AU - Bassalleck, B.

AU - Bhuyan, B.

AU - Blackmore, E. W.

AU - Bryman, D. A.

AU - Chen, S.

AU - Chiang, I. H.

AU - Christidi, I. A.

AU - Cooper, P. S.

AU - Diwan, M. V.

AU - Frank, J. S.

AU - Fujiwara, T.

AU - Hu, J.

AU - Jaffe, D. E.

AU - Kabe, S.

AU - Kettell, S. H.

AU - Khabibullin, M. M.

AU - Khotjantsev, A. N.

AU - Kitching, P.

AU - Kobayashi, M.

AU - Komatsubara, T. K.

AU - Konaka, A.

AU - Kozhevnikov, A. P.

AU - Kudenko, Yu G.

AU - Kushnirenko, A.

AU - Landsberg, L. G.

AU - Lewis, B.

AU - Li, K. K.

AU - Littenberg, L. S.

AU - MacDonald, J. A.

AU - Mildenberger, J.

AU - Mineev, O. V.

AU - Miyajima, M.

AU - Mizouchi, K.

AU - Mukhin, V. A.

AU - Muramatsu, N.

AU - Nakano, T.

AU - Nomachi, M.

AU - Nomura, T.

AU - Numao, T.

AU - Obraztsov, V. F.

AU - Omata, K.

AU - Patalakha, D. I.

AU - Petrenko, S. V.

AU - Poutissou, R.

AU - Ramberg, E. J.

AU - Redlinger, G.

AU - Sato, T.

AU - Sekiguchi, T.

AU - Shinkawa, T.

AU - Strand, R. C.

AU - Sugimoto, S.

AU - Tamagawa, Y.

AU - Tschirhart, R.

AU - Tsunemi, T.

AU - Vavilov, D. V.

AU - Viren, B.

AU - Yershov, N. V.

AU - Yoshimura, Y.

AU - Yoshioka, T.

PY - 2005/11/1

Y1 - 2005/11/1

N2 - A sample of kinematically identified K+→π+π0 decays obtained with the E949 detector was used to search for the helicity-suppressed decay π0→νν̄ resulting in an upper limit of 2.7×10-7 at 90% confidence level. The upper limit is also applicable to π0 decays into unknown weakly-interacting particles.

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U2 - 10.1103/PhysRevD.72.091102

DO - 10.1103/PhysRevD.72.091102

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JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

JF - Physical Review D - Particles, Fields, Gravitation and Cosmology

SN - 1550-7998

IS - 9

M1 - 091102

ER -