Search for the decay KL0→π0νν

被引：33

作者：

Ahn, J. K. ^{[1
]}

Akune, Y. ^{[2
]}

Baranov, V. ^{[3
]}

Chen, K. F. ^{[4
]}

Comfort, J. ^{[5
]}

Doroshenko, M. ^{[9
]}

Fujioka, Y. ^{[2
]}

Hsiung, Y. B. ^{[4
]}

Inagaki, T. ^{[6
,9
]}

Ishibashi, S. ^{[2
]}

Ishihara, N. ^{[6
]}

Ishii, H. ^{[7
]}

Iwai, E.

Iwata, T. ^{[8
]}

Kato, I.

Kobayashi, S. ^{[2
]}

Komatsubara, T. K. ^{[6
]}

Kurilin, A. S. ^{[3
]}

Kuzmin, E. ^{[3
]}

Lednev, A. ^{[10
,11
]}

Lee, H. S. ^{[1
]}

Lee, S. Y. ^{[1
]}

Lim, G. Y. ^{[6
]}

Ma, J. ^{[11
]}

Matsumura, T. ^{[12
]}

Moisseenko, A. ^{[3
]}

Morii, H. ^{[13
]}

Morimoto, T. ^{[6
]}

Nakano, T. ^{[14
]}

Nanjo, H. ^{[13
]}

Nix, J. ^{[11
]}

Nomura, T. ^{[13
]}

Nomachi, M. ^{[7
]}

Okuno, H. ^{[6
]}

Omata, K. ^{[6
]}

Perdue, G. N. ^{[11
]}

Podolsky, S. ^{[3
]}

Sakashita, K. ^{[7
]}

Sasaki, T. ^{[8
]}

Sasao, N. ^{[13
]}

Sato, H. ^{[8
]}

Sato, T. ^{[6
]}

Sekimoto, M. ^{[6
]}

Shinkawa, T.

Sugaya, Y. ^{[7
]}

Sugiyama, A. ^{[2
]}

Sumida, T. ^{[13
]}

Suzuki, S.

Tajima, Y. ^{[8
]}

Takita, S. ^{[8
]}

机构：

[1] Pusan Natl Univ, Dept Phys, Pusan 609735, South Korea

[2] Saga Univ, Dept Phys, Saga 8408502, Japan

[3] Joint Inst Nucl Res, Lab Nucl Problems, Dubna 141980, Moscow Region, Russia

[4] Natl Taiwan Univ, Dept Phys, Taipei 10617, Taiwan

[5] Arizona State Univ, Dept Phys & Astron, Tempe, AZ 85287 USA

[6] High Energy Accelerator Res Org, Inst Particle & Nucl Studies, Tsukuba, Ibaraki 3050801, Japan

[7] Osaka Univ, Dept Phys, Osaka 5600043, Japan

[8] Yamagata Univ, Dept Phys, Yamagata 9908560, Japan

[9] Grad Univ Adv Sci SOKENDAI, Dept Particle & Nucl Res, Tsukuba, Ibaraki 3050801, Japan

[10] Inst High Energy Phys, Protvino 142281, Moscow Region, Russia

[11] Univ Chicago, Enrico Fermi Inst, Chicago, IL 60637 USA

[12] Natl Def Acad, Dept Appl Phys, Kanagawa 2398686, Japan

[13] Kyoto Univ, Dept Phys, Kyoto 6068502, Japan

[14] Osaka Univ, Res Ctr Nucl Phys, Osaka 5670047, Japan

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 20期

关键词：

D O I：

10.1103/PhysRevLett.100.201802

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We performed a search for the K-L(0)->pi(0)nu nu 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 x 10(-8) at the 90% confidence level.

引用

页数：5

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