Search for the decay KL0→π0νν̄

J. K. Ahn, Y. Akune, V. Baranov, K. F. Chen, J. Comfort, M. Doroshenko, Y. Fujioka, Y. B. Hsiung, T. Inagaki, S. Ishibashi, N. Ishihara, H. Ishii, E. Iwai, T. Iwata, I. Kato, S. Kobayashi, T. K. Komatsubara, A. S. Kurilin, E. Kuzmin, A. LednevH. S. Lee, S. Y. Lee, G. Y. Lim, J. Ma, T. Matsumura, A. Moisseenko, H. Morii, T. Morimoto, T. Nakano, H. Nanjo, J. Nix, T. Nomura, M. Nomachi, H. Okuno, K. Omata, G. N. Perdue, S. Podolsky, K. Sakashita, T. Sasaki, N. Sasao, H. Sato, T. Sato, M. Sekimoto, T. Shinkawa, Y. Sugaya, A. Sugiyama, T. Sumida, S. Suzuki, Y. Tajima, S. Takita, Z. Tsamalaidze, T. Tsukamoto, Y. C. Tung, Y. W. Wah, H. Watanabe, M. L. Wu, M. Yamaga, T. Yamanaka, H. Y. Yoshida, Y. Yoshimura

Research output: Contribution to journalArticlepeer-review

54 Citations (Scopus)

Abstract

We performed a search for the KL0→π0νν̄ decay at the KEK 12-GeV proton synchrotron. No candidate events were observed. An upper limit on the branching ratio for the decay was set to be 6.7×10-8 at the 90% confidence level.

Original languageEnglish
Article number201802
JournalPhysical review letters
Volume100
Issue number20
DOIs
Publication statusPublished - 2008 May 22
Externally publishedYes

Bibliographical note

Funding Information:
s Present address: Scuola Normale Superiore, 1-56100 Pisa, Italy. 6 Present address: Dipartimento di Fisica e Sezione INFN, 1-06100 Perugia, Italy. 7 Present address: Dipartimento di Scienze Fisiche e Sezione INFN, 1-09100 Cagliari, Italy. s Funded by the German Federal Minister for Research and Technology (BMFT) under contract 054SI74.

Funding Information:
~Present address: University of California, Santa Barbara, CA 93106-9530, USA, 2 On leave from SLAC, Stanford, CA 91309, USA. 3 Funded by the German Federal Minister for Research and Technology (BMFT) under contract 054MZ18. 4 Funded by Institut National de Physique des Particules et de Physique Nucl6aire (IN2P3), France.

ASJC Scopus subject areas

  • General Physics and Astronomy

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