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Measurement of neutrino oscillation by the K2K experiment

Publication ,  Journal Article
Ahn, MH; Aliu, E; Andringa, S; Aoki, S; Aoyama, Y; Argyriades, J; Asakura, K; Ashie, R; Berghaus, F; Berns, HG; Bhang, H; Blondel, A; Cho, KO ...
Published in: Physical Review D - Particles, Fields, Gravitation and Cosmology
October 20, 2006

We present measurements of νμ disappearance in K2K, the KEK to Kamioka long-baseline neutrino oscillation experiment. One-hundred and twelve beam-originated neutrino events are observed in the fiducial volume of Super-Kamiokande with an expectation of 158.1-8.6+9.2 events without oscillation. A distortion of the energy spectrum is also seen in 58 single-ring muonlike events with reconstructed energies. The probability that the observations are explained by the expectation for no neutrino oscillation is 0.0015% (4.3σ). In a two-flavor oscillation scenario, the allowed Δm2 region at sin 22θ=1 is between 1.9 and 3.5×10-3eV2 at the 90% C.L. with a best-fit value of 2.8×10-3eV2. © 2006 The American Physical Society.

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Published In

Physical Review D - Particles, Fields, Gravitation and Cosmology

DOI

EISSN

1550-2368

ISSN

1550-7998

Publication Date

October 20, 2006

Volume

74

Issue

7

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5101 Astronomical sciences
  • 4902 Mathematical physics
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences
 

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Ahn, M. H., Aliu, E., Andringa, S., Aoki, S., Aoyama, Y., Argyriades, J., … Lim, S. H. (2006). Measurement of neutrino oscillation by the K2K experiment. Physical Review D - Particles, Fields, Gravitation and Cosmology, 74(7). https://doi.org/10.1103/PhysRevD.74.072003
Ahn, M. H., E. Aliu, S. Andringa, S. Aoki, Y. Aoyama, J. Argyriades, K. Asakura, et al. “Measurement of neutrino oscillation by the K2K experiment.” Physical Review D - Particles, Fields, Gravitation and Cosmology 74, no. 7 (October 20, 2006). https://doi.org/10.1103/PhysRevD.74.072003.
Ahn MH, Aliu E, Andringa S, Aoki S, Aoyama Y, Argyriades J, et al. Measurement of neutrino oscillation by the K2K experiment. Physical Review D - Particles, Fields, Gravitation and Cosmology. 2006 Oct 20;74(7).
Ahn, M. H., et al. “Measurement of neutrino oscillation by the K2K experiment.” Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 74, no. 7, Oct. 2006. Scopus, doi:10.1103/PhysRevD.74.072003.
Ahn MH, Aliu E, Andringa S, Aoki S, Aoyama Y, Argyriades J, Asakura K, Ashie R, Berghaus F, Berns HG, Bhang H, Blondel A, Borghi S, Bouchez J, Boyd SC, Burguet-Castell J, Casper D, Catala J, Cavata C, Cervera A, Chen SM, Cho KO, Choi JH, Dore U, Echigo S, Espinal X, Fechner M, Fernandez E, Fujii K, Fujii Y, Fukuda S, Fukuda Y, Gomez-Cadenas J, Gran R, Hara T, Hasegawa M, Hasegawa T, Hayashi K, Hayato Y, Helmer RL, Higuchi I, Hill J, Hiraide K, Hirose E, Hosaka J, Ichikawa AK, Ieiri M, Iinuma M, Ikeda A, Inagaki T, Ishida T, Ishihara K, Ishii H, Ishii T, Ishino H, Ishitsuka M, Itow Y, Iwashita T, Jang HI, Jang JS, Jeon EJ, Jeong IS, Joo KK, Jover G, Jung CK, Kajita T, Kameda J, Kaneyuki K, Kang BH, Kato I, Kato Y, Kearns E, Kerr D, Kim CO, Khabibullin M, Khotjantsev A, Kielczewska D, Kim BJ, Kim HI, Kim JH, Kim JY, Kim SB, Kitamura M, Kitching P, Kobayashi K, Kobayashi T, Kohama M, Konaka A, Koshio Y, Kropp W, Kubota J, Kudenko Y, Kume G, Kuno Y, Kurimoto Y, Kutter T, Learned J, Likhoded S, Lim IT, Lim SH. Measurement of neutrino oscillation by the K2K experiment. Physical Review D - Particles, Fields, Gravitation and Cosmology. 2006 Oct 20;74(7).

Published In

Physical Review D - Particles, Fields, Gravitation and Cosmology

DOI

EISSN

1550-2368

ISSN

1550-7998

Publication Date

October 20, 2006

Volume

74

Issue

7

Related Subject Headings

  • Nuclear & Particles Physics
  • 5107 Particle and high energy physics
  • 5101 Astronomical sciences
  • 4902 Mathematical physics
  • 0206 Quantum Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
  • 0201 Astronomical and Space Sciences