A novel antideuteron detector for space-based indirect dark matter searches

Details A novel antideuteron detector for space-based indirect dark matter searches A novel antideuteron detector for space-based indirect dark matter searches

Mar 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003head....7.2221m&link_type=abstract

American Astronomical Society, HEAD meeting #7, #22.21; Bulletin of the American Astronomical Society, Vol. 35, p.643

Computer Science

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We report work on the gaseous antiparticle spectrometer (GAPS), a novel method for detecting antimatter. GAPS relies on detection of deexcitation X-rays produced when antimatter is slowed down and captured into excited states of gas molecules. The X-rays are a unique signature of the antimatter species. GAPS has high sensitivity for space-based detection of antideuterons which are produced in neutralino-neutralino interactions. We report on continued modeling of the GAPS performance and its sensitivity for neutralino searches, details of the prototype GAPS detector and plans for accelerator-based testing of GAPS with antiproton beams.

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