14 research outputs found

    ATLAS detector and physics performance: Technical Design Report, 1

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    Background radioactivity of construction materials, raw substance and ready-made CaMoO4 crystals

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    The results of measurements of natural radioactive isotopes content in different source materials of natural and enriched composition used for CaMoO4 scintillation crystal growing are presented. The crystals are to be used in the experiment to search for neutrinoless double beta decay of 100Mo

    First result of the experimental search for the 9.4 keV solar axion reactions with 83Kr in the copper proportional counter

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    The experimental search for solar hadronic axions is started at the Baksan Neutrino Observatory of the Institute for Nuclear Researches of Russian Academy of Science (BNO INR RAS). It is assumed that axions are created in the Sun during M1 transition between the first thermally excited level at 9.4 keV and the ground state in 83Kr. The experiment is based on axion detection via resonant absorption process by the same nucleus in the detector. The big copper proportional counter filled with krypton is used to detect signals from axions. The experimental setup is situated in the deep underground low background laboratory. No evidence of axion detection were found after the 26.5 days data collection. Resulting new upper limit on axion mass is mA ≤ 130 eV at 95% C.L. © 2015, Pleiades Publishing, Ltd101sciescopu

    ATLAS: technical proposal for a general-purpose p p experiment at the large hadron collider at CERN

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    ATLAS computing technical proposal

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    ATLAS computing technical proposal

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