Dark matter interferometry
نویسندگان
چکیده
The next generation of ultralight dark matter (DM) direct detection experiments, which could confirm sub-eV bosons as the dominant source DM, will feature multiple detectors operating at various terrestrial locations. As a result wave-like nature spatially separated each measure unique DM phase. When separation between experiments is comparable to coherence length, spatially-varying phase contains information beyond that accessible single detector. We introduce formalism extract this information, performs interferometry directly on wave. In particular, we develop likelihood-based framework combines data from constrain directional about space distribution. show signal in subject daily modulation effect DM. Leveraging modulation, illustrate within days an initial discovery acting unison localize parameters velocity distribution such direction solar sub-degree accuracy, or putative cold stream sub-arcminute level. outline how optimize locations with either resonant cavity (such ADMX HAYSTAC) quasistatic ABRACADABRA DM-Radio) readouts have maximal sensitivity full 3-dimensional
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ژورنال
عنوان ژورنال: Physical review
سال: 2021
ISSN: ['0556-2813', '1538-4497', '1089-490X']
DOI: https://doi.org/10.1103/physrevd.103.076018