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