Search for the Decay K L0-->pi0nu nu[over].
We performed a search for the K L0-->pi0nu nu[over] 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.
Ahn
J K
JK
Department of Physics, Pusan National University, Busan 609-735, Republic of Korea.
Akune
Y
Y
Baranov
V
V
Chen
K F
KF
Comfort
J
J
Doroshenko
M
M
Fujioka
Y
Y
Hsiung
Y B
YB
Inagaki
T
T
Ishibashi
S
S
Ishihara
N
N
Ishii
H
H
Iwai
E
E
Iwata
T
T
Kato
I
I
Kobayashi
S
S
Komatsubara
T K
TK
Kurilin
A S
AS
Kuzmin
E
E
Lednev
A
A
Lee
H S
HS
Lee
S Y
SY
Lim
G Y
GY
Ma
J
J
Matsumura
T
T
Moisseenko
A
A
Morii
H
H
Morimoto
T
T
Nakano
T
T
Nanjo
H
H
Nix
J
J
Nomura
T
T
Nomachi
M
M
Okuno
H
H
Omata
K
K
Perdue
G N
GN
Podolsky
S
S
Sakashita
K
K
Sasaki
T
T
Sasao
N
N
Sato
H
H
Sato
T
T
Sekimoto
M
M
Shinkawa
T
T
Sugaya
Y
Y
Sugiyama
A
A
Sumida
T
T
Suzuki
S
S
Tajima
Y
Y
Takita
S
S
Tsamalaidze
Z
Z
Tsukamoto
T
T
Tung
Y C
YC
Wah
Y W
YW
Watanabe
H
H
Wu
M L
ML
Yamaga
M
M
Yamanaka
T
T
Yoshida
H Y
HY
Yoshimura
Y
Y