Search for the decay KL0→3γ

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

doi:10.1103/PhysRevD.83.031101

Search for the decay KL0→3γ

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

Physics

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Abstract

We performed a search for the decay KL0→3γ with the E391a detector at KEK. In the data accumulated in 2005, no event was observed in the signal region. Based on the assumption of KL0→3γ proceeding via parity-violation, we obtained the single event sensitivity to be (3.23±0.14)×10^-8, and set an upper limit on the branching ratio to be 7.4×10^-8 at the 90% confidence level. This is a factor of 3.2 improvement compared to the previous results. The results of KL0→3γ proceeding via parity-conservation were also presented in this paper.

Original language	English (US)
Article number	031101
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	83
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevD.83.031101
State	Published - Feb 2 2011

ASJC Scopus subject areas

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.83.031101

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Tung, Y. C., Hsiung, Y. B., Ahn, J. K., Akune, Y., Baranov, V., Chen, K. F., Comfort, J., Doroshenko, M., Fujioka, Y., Inagaki, T., Ishibashi, S., Ishihara, N., Ishii, H., Iwai, E., Iwata, T., Kato, I., Kobayashi, S., Komatsu, S., Komatsubara, T. K., ... Zheng, Y. (2011). Search for the decay KL0→3γ. Physical Review D - Particles, Fields, Gravitation and Cosmology, 83(3), Article 031101. https://doi.org/10.1103/PhysRevD.83.031101

Tung, YC, Hsiung, YB, Ahn, JK, Akune, Y, Baranov, V, Chen, KF, Comfort, J, Doroshenko, M, Fujioka, Y, Inagaki, T, Ishibashi, S, Ishihara, N, Ishii, H, Iwai, E, Iwata, T, Kato, I, Kobayashi, S, Komatsu, S, Komatsubara, TK, Kurilin, AS, Kuzmin, E, Lednev, A, Lee, HS, Lee, SY, Lim, GY, Ma, J, Matsumura, T, Moisseenko, A, Morii, H, Morimoto, T, Nakajima, Y, Nakano, T, Nanjo, H, Nishi, N, Nix, J, Nomura, T, Nomachi, M, Ogata, R, Okuno, H, Omata, K, Perdue, GN, Perov, S, Podolsky, S, Porokhovoy, S, Sakashita, K, Sasaki, T, Sasao, N, Sato, H, Sato, T, Sekimoto, M, Shimogawa, T, Shinkawa, T, Stepanenko, Y, Sugaya, Y, Sugiyama, A, Sumida, T, Suzuki, S, Tajima, Y, Takita, S, Tsamalaidze, Z, Tsukamoto, T, Wah, Y, Watanabe, H, Wu, ML, Yamaga, M, Yamanaka, T, Yoshida, HY, Yoshimura, Y & Zheng, Y 2011, 'Search for the decay KL0→3γ', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 83, no. 3, 031101. https://doi.org/10.1103/PhysRevD.83.031101

@article{f0180747de494563b18607b7cdcd1389,

title = "Search for the decay KL0→3γ",

abstract = "We performed a search for the decay KL0→3γ with the E391a detector at KEK. In the data accumulated in 2005, no event was observed in the signal region. Based on the assumption of KL0→3γ proceeding via parity-violation, we obtained the single event sensitivity to be (3.23±0.14)×10-8, and set an upper limit on the branching ratio to be 7.4×10-8 at the 90% confidence level. This is a factor of 3.2 improvement compared to the previous results. The results of KL0→3γ proceeding via parity-conservation were also presented in this paper.",

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

note = "Funding Information: A. P. Hatzes and W. D. Cochran acknowledge the support of NASA grants NAG5-4384 and NAG5-9227 and NSF grant AST 98-08980. B. McArthur receives support through NASA grant NAS5-1603. M. Endl acknowledges support by the Austrian Fond zur F{\"o}rderung der wissenschaftlichen Forschung Nr. S7302. S. L. Baliunas is grateful to the dedication of M. A. Bradford, R. A. Donahue, K. Palmer, and W. H. Soon to the HK Project at Mount Wilson Observatory, which is operated by the Mount Wilson Institute under an agreement with the Carnegie Institution of Washington. Support for this research has been made possible through the generosity of the Richard C. Lounsbery Foundation. R. P. Butler and G. W. Marcy thank D. Fischer, E. Williams, S. Vogt, and C. McCarthy. Finally, we thank K. Dennerl and S. D{\"o}bereiner for help with the ESO observations.",

year = "2011",

month = feb,

day = "2",

doi = "10.1103/PhysRevD.83.031101",

language = "English (US)",

volume = "83",

journal = "Physical Review D - Particles, Fields, Gravitation and Cosmology",

issn = "1550-7998",

number = "3",

}

TY - JOUR

T1 - Search for the decay KL0→3γ

AU - Tung, Y. C.

AU - Hsiung, Y. B.

AU - Ahn, J. K.

AU - Akune, Y.

AU - Baranov, V.

AU - Chen, K. F.

AU - Comfort, J.

AU - Doroshenko, M.

AU - Fujioka, Y.

AU - Inagaki, T.

AU - Ishibashi, S.

AU - Ishihara, N.

AU - Ishii, H.

AU - Iwai, E.

AU - Iwata, T.

AU - Kato, I.

AU - Kobayashi, S.

AU - Komatsu, S.

AU - Komatsubara, T. K.

AU - Kurilin, A. S.

AU - Kuzmin, E.

AU - Lednev, A.

AU - Lee, H. S.

AU - Lee, S. Y.

AU - Lim, G. Y.

AU - Ma, J.

AU - Matsumura, T.

AU - Moisseenko, A.

AU - Morii, H.

AU - Morimoto, T.

AU - Nakajima, Y.

AU - Nakano, T.

AU - Nanjo, H.

AU - Nishi, N.

AU - Nix, J.

AU - Nomura, T.

AU - Nomachi, M.

AU - Ogata, R.

AU - Okuno, H.

AU - Omata, K.

AU - Perdue, G. N.

AU - Perov, S.

AU - Podolsky, S.

AU - Porokhovoy, S.

AU - Sakashita, K.

AU - Sasaki, T.

AU - Sasao, N.

AU - Sato, H.

AU - Sato, T.

AU - Sekimoto, M.

AU - Shimogawa, T.

AU - Shinkawa, T.

AU - Stepanenko, Y.

AU - Sugaya, Y.

AU - Sugiyama, A.

AU - Sumida, T.

AU - Suzuki, S.

AU - Tajima, Y.

AU - Takita, S.

AU - Tsamalaidze, Z.

AU - Tsukamoto, T.

AU - Wah, Y.

AU - Watanabe, H.

AU - Wu, M. L.

AU - Yamaga, M.

AU - Yamanaka, T.

AU - Yoshida, H. Y.

AU - Yoshimura, Y.

AU - Zheng, Y.

N1 - Funding Information: A. P. Hatzes and W. D. Cochran acknowledge the support of NASA grants NAG5-4384 and NAG5-9227 and NSF grant AST 98-08980. B. McArthur receives support through NASA grant NAS5-1603. M. Endl acknowledges support by the Austrian Fond zur Förderung der wissenschaftlichen Forschung Nr. S7302. S. L. Baliunas is grateful to the dedication of M. A. Bradford, R. A. Donahue, K. Palmer, and W. H. Soon to the HK Project at Mount Wilson Observatory, which is operated by the Mount Wilson Institute under an agreement with the Carnegie Institution of Washington. Support for this research has been made possible through the generosity of the Richard C. Lounsbery Foundation. R. P. Butler and G. W. Marcy thank D. Fischer, E. Williams, S. Vogt, and C. McCarthy. Finally, we thank K. Dennerl and S. Döbereiner for help with the ESO observations.

PY - 2011/2/2

Y1 - 2011/2/2

N2 - We performed a search for the decay KL0→3γ with the E391a detector at KEK. In the data accumulated in 2005, no event was observed in the signal region. Based on the assumption of KL0→3γ proceeding via parity-violation, we obtained the single event sensitivity to be (3.23±0.14)×10-8, and set an upper limit on the branching ratio to be 7.4×10-8 at the 90% confidence level. This is a factor of 3.2 improvement compared to the previous results. The results of KL0→3γ proceeding via parity-conservation were also presented in this paper.

AB - We performed a search for the decay KL0→3γ with the E391a detector at KEK. In the data accumulated in 2005, no event was observed in the signal region. Based on the assumption of KL0→3γ proceeding via parity-violation, we obtained the single event sensitivity to be (3.23±0.14)×10-8, and set an upper limit on the branching ratio to be 7.4×10-8 at the 90% confidence level. This is a factor of 3.2 improvement compared to the previous results. The results of KL0→3γ proceeding via parity-conservation were also presented in this paper.

UR - http://www.scopus.com/inward/record.url?scp=79952202864&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=79952202864&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.83.031101

DO - 10.1103/PhysRevD.83.031101

M3 - Article

AN - SCOPUS:79952202864

SN - 1550-7998

VL - 83

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

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

IS - 3

M1 - 031101

ER -

Search for the decay KL0→3γ

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