Detection of accelerator produced neutrinos at a distance of 250-km

  title={Detection of accelerator produced neutrinos at a distance of 250-km},
  author={T. Ahn and et al.},
  journal={Physics Letters B},
  • T. Ahn, E. al.
  • Published 1 March 2001
  • Physics
  • Physics Letters B
Indications of neutrino oscillation in a 250 km long-baseline experiment.
The K2K experiment observes indications of neutrino oscillation: a reduction of nu(mu) flux together with a distortion of the energy spectrum, which is better matched to the expected spectrum with neutrinos oscillation than without.
Oscillatory Signature in Atmospheric Neutrinos
Interactions of atmospheric neutrinos in Super-Kamiokande detector (SK-I) have been recently reanalysed. We report here results of standard oscillation analysis based on zenith angle distributions as
Semi-contained interactions of atmospheric neutrinos in the MACRO detector
Atmospheric neutrinos arise from the decay of particles (primarily pions, muons and kaons) produced in the collision of high energy cosmic ray particles with the atmosphere. The great distances
K2K is a long baseline neutrino oscillation experiment using a neutrino beam produced at the KEK 12 GeV PS, a near detector complex at KEK and a far detector (Super-Kamiokande) in Kamioka, Japan. The
Recent Results from the K 2 K Experiment
The neutrino beam used in the K2K experiment is produced by a 12 GeV proton beam taken from the KEK Proton Synchrotron(PS) with fast extraction. After hitting an aluminum target the positively


Measurement of atmospheric neutrino composition with the IMB-3 detector.
The atmospheric neutrino flux is measured using a 3.4-kt yr exposure of the IMB-3 detector and it is found that nonshowering events comprise 40% of the total and the fraction expected is (51{plus minus}5(syst)%).
Measurement of the flux and zenith angle distribution of upward through going muons in Kamiokande II + III
The flux of upward through-going muons of minimum (mean) threshold energy > 1.6 (3.0) GeV is measured, based on a total of 372 events observed by the Kamiokande II+III detector during 2456 detector
Large horn magnets at the KEK neutrino beam line. II
For pt.I see Yamanoi et al., Proc. on Magnet Technology, p.711 (1997) We report on the status of the latest operation of the horn magnets. Our two types of large horn magnets were installed in the