131 research outputs found
Relationship between Cerebral Glucose Metabolism and CSF Markers in Neurodegenerative Dementia
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Measurement of neutrino oscillation by the K2K experiment
Get PDFWe present measurements of nu(mu) 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% (4.3 sigma). In a two-flavor oscillation scenario, the allowed Delta m(2) region at sin(2)2 theta=1 is between 1.9 and 3.5x10(-3) eV(2) at the 90% C.L. with a best-fit value of 2.8x10(-3) eV(2)
研究速報 : Design of a Positioning Table Using Crystalline Lattice and Surface Topography as a Reference Index
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No full text研究速報 : A Dual-Tunneling-Unit STM : application as a nm order measuring machine and a positioning table
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