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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/104582

    Title: Graphene-based detectors for directional dark matter detection
    Authors: Shang-Yung Wang
    Keywords: detector;recoil;sensitivity;graphene;van der Waals;sulfur;background;nitrogen;time projection chamber;design;bibliography;measurement methods
    Date: 2015-09-28
    Issue Date: 2016-01-06 11:03:55 (UTC+8)
    Abstract: Dark matter detectors with directional sensitivity have the capability to distinguish dark matter induced nuclear recoils from isotropic backgrounds, thus providing a smoking gun signature for dark matter in the Galactic halo. Here we propose a conceptually novel class of high directional sensitivity dark matter detectors utilizing graphene-based van der Waals heterostructures. The advantages over conventional low pressure gas time projection chamber-based directional detectors are discussed in detail. A practical implementation using graphene/hexagonal boron nitride and graphene/molybdenum disulfide heterostructures is presented together with an overwhelming amount of experimental evidence in strong support of its feasibility.
    Relation: INSPIRE arXiv:1509.08801(5pages)
    Appears in Collections:[物理學系暨研究所] 期刊論文

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