arxiv: 1109.1621 · v2 · submitted 2011-09-08 · ✦ hep-ex
Recognition: unknown
Search for Differences in Oscillation Parameters for Atmospheric Neutrinos and Antineutrinos at Super-Kamiokande
Super-Kamiokande Collaboration: K. Abe
,
Y. Hayato
,
T. Iida
,
M. Ikeda
,
K. Iyogi
,
J. Kameda
,
Y. Koshio
,
Y. Kozuma
show 103 more authors
M. Miura
S. Moriyama
M. Nakahata
S. Nakayama
Y. Obayashi
H. Sekiya
M. Shiozawa
Y. Suzuki
A. Takeda
Y. Takenaga
Y. Takeuchi
K. Ueno
K. Ueshima
H. Watanabe
S. Yamada
T. Yokozawa
C. Ishihara
H. Kaji
K. P. Lee
T. Kajita
K. Kaneyuki
T. McLachlan
K. Okumura
Y. Shimizu
N. Tanimoto
K. Martens
M. R. Vagins
L. Labarga
L. M. Magro
F. Dufour
E. Kearns
M. Litos
J.L. Raaf
J.L. Stone
L.R. Sulak
M. Goldhaber
K. Bays
W.R. Kropp
S. Mine
C. Regis
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. Wendell
T. M. Wongjirad
S. Tasaka
J. G. Learned
S. Matsuno
T. Hasegawa
T. Ishida
T. Ishii
T. Kobayashi
T. Nakadaira
K. Nakamura
K. Nishikawa
H. Nishino
Y. Oyama
K. Sakashita
T. Sekiguchi
T. Tsukamoto
A. T. Suzuki
A. Minamino
T. Nakaya
Y. Fukuda
Y. Itow
G. Mitsuka
T. Tanaka
C. K. Jung
I. Taylor
C. Yanagisawa
H. Ishino
A. Kibayashi
S. Mino
T. Mori
M. Sakuda
H. Toyota
Y. Kuno
S. B. Kim
B. S. Yang
T. Ishizuka
H. Okazawa
Y. Choi
K. Nishijima
M. Koshiba
M. Yokoyama
Y. Totsuka
S. Chen
Y. Heng
Z. Yang
H. Zhang
D. Kielczewska
P. Mijakowski
K. Connolly
M. Dziomba
R. J. Wilkes
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classification
✦ hep-ex
keywords
antineutrinosneutrinosparametersatmosphericdifferencesmixingoscillationsearch
read the original abstract
We present a search for differences in the oscillations of antineutrinos and neutrinos in the Super-Kamiokande -I, -II, and -III atmospheric neutrino sample. Under a two-flavor disappearance model with separate mixing parameters between neutrinos and antineutrinos, we find no evidence for a difference in oscillation parameters. Best fit antineutrino mixing is found to be at (dm2bar, sin2 2 thetabar) = (2.0x10^-3 eV^2, 1.0) and is consistent with the overall Super-K measurement.
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