9 research outputs found

    A Test of the Gamma Ray Detector for the GDH-Experiment at SPring-8(I. Nuclear Physics)

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    A prototype gamma ray detector for the detection of π^0 in the proposed experiment at SPring-8 to study the GDH sum rule (GDH experiment) has been built and tested. The detector is fabricated with lead-scintillator tiles and wave length shifter (WLS) fiber readout. High detection efficiency (above 85 %) for the gamma rays is the most important requirement for this detector. It has been tested with the tagged photon beam at LNS of Tohoku University. The results of the test alongside some Monte Carlo simulation are presented. The evaluated efficiency ranging in energy above 50 MeV is higher than 90%

    Valproic Acid and Epilepsy: From Molecular Mechanisms to Clinical Evidences

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