17 research outputs found

    The Virgo data acquisition system

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    International audienc

    The gravitational wave detector VIRGO

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    International audienc

    Search for non-Gaussian events in the data of the VIRGO E4 engineering run

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    International audienc

    The AMS-02 electromagnetic calorimeter

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    The Electromagnetic Calorimeter (ECAL) of the AMS-02 experiment is a lead-scintillanting fibers sampling calorimeter characterized by high granularity that allows to image the longitudinal and lateral showers development, a key issue to provide high electron/hadron discrimination. The light collection system and the FE electronics are designed to let the calorimeter operate over a wide energy range from few GeV up to 1 TeV. A full-scale prototype of the e.m. calorimeter was tested at Cern in October 2001 using electrons and pions beams with energy ranging from 3 to 100 GeV. Effective sampling thickness, linearity and energy resolution were measured

    The present status of the VIRGO Central Interferometer

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    Status of VIRGO

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    The present status of the VIRGO Central Interferometer

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