arxiv: 1205.6538 · v1 · ★pith:U7QVTYIOnew · submitted 2012-05-30 · ✦ hep-ex
Search for Proton Decay into Muon plus Neutral Kaon in Super-Kamiokande I, II, and III
The Super-Kamiokande Collaboration: C.Regis
,
K.Abe
,
Y.Hayato
,
K.Iyogi
,
J.Kameda
,
Y.Koshio
,
Ll.Marti
,
M.Miura
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S.Moriyama
M.Nakahata
S.Nakayama
Y.Obayashi
H.Sekiya
M.Shiozawa
Y.Suzuki
A.Takeda
Y.Takenaga
K.Ueno
T.Yokozawa
H.Kaji
T.Kajita
K.Kaneyuki
K.P.Lee
K.Okumura
T.McLachlan
L.Labarga
E.Kearns
J.L.Raaf
J.L.Stone
L.R.Sulak
M.Goldhaber
K.Bays
G.Carminati
W.R.Kropp
S.Mine
A.Renshaw
M.B.Smy
H.W.Sobel
K.S.Ganezer
J.Hill
W.E.Keig
J.S.Jang
J.Y.Kim
I.T.Lim
J.B.Albert
K.Scholberg
C.W.Walter
R.A.Wendell
T.Wongjirad
T.Ishizuka
S.Tasaka
J.G.Learned
S.Matsuno
S.N.Smith
T.Hasegawa
T.Ishida
T.Ishii
T.Kobayashi
T.Nakadaira
K.Nakamura
K.Nishikawa
Y.Oyama
K.Sakashita
T.Sekiguchi
T.Tsukamoto
A.T.Suzuki
Y.Takeuchi
K.Ieki
M.Ikeda
H.Kubo
A.Minamino
A.Murakami
T.Nakaya
Y.Fukuda
K.Choi
Y.Itow
G.Mitsuka
M.Miyake
P.Mijakowski
J.Hignight
J.Imber
C.K.Jung
I.Taylor
C.Yanagisawa
H.Ishino
A.Kibayashi
T.Mori
M.Sakuda
J.Takeuchi
Y.Kuno
S.B.Kim
H.Okazawa
Y.Choi
K.Nishijima
M.Koshiba
Y.Totsuka
M.Yokoyama
K.Martens
M.R.Vagins
S.Chen
H.Sui
Z.Yang
H.Zhang
K.Connolly
M.Dziomba
R.J.Wilkes
classification
✦ hep-ex
keywords
exposurekiloton-yearprotondatadecaykaonmuonneutral
read the original abstract
We have searched for proton into muon plus neutral kaon using data from a 91.7 kiloton-year exposure of Super-Kamiokande-I, a 49.2 kiloton-year exposure of Super-Kamiokande-II, and a 31.9 kiloton-year exposure of Super-Kamiokande-III. The number of candidate events in the data was consistent with the atmospheric neutrino background expectation and no evidence for proton decay in this mode was found. We set a partial lifetime lower limit of 1.6x10^33 years at the 90% confidence level.
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