PRJC: Dark Matter Meets Atomic, Molecular, and Optical Physics

American Physical Society

Researchers discuss a method to detect dark matter with levitated spheres

Dark matter accounts for roughly 85% of the matter in the Universe, yet its constituents remain unknown. Solving this mystery calls for a wide range of experiments that can detect dark matter constituents with different masses and interactions. Now, Gadi Afek at Yale University and colleagues have proposed a laboratory-based detector that is drastically different from existing experiments. The detector works by measuring the momentum imparted when dark matter particles scatter off optically trapped nanometer-scale spheres. This approach provides an entirely new way to search for light dark matter particles with masses down to fractions of the mass of an electron.Afek joins co-authors Daniel Carney, University of California Berkeley, and David C. Moore, Yale University for an exclusive discussion with the Physical Review Journal Club of <a href="https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.128.101301 " target="_blank" data-msys-clicktrack="0" rel="nofollow noopener noreferrer">their results</a>, which were recently published in <a href="https://journals.aps.org/prl/" target="_blank" data-msys-clicktrack="0" rel="nofollow noopener noreferrer">Physical Review Letters</a>, and <a href="https://physics.aps.org/articles/v15/32" target="_blank" data-msys-clicktrack="0" rel="nofollow noopener noreferrer">summarized</a> in <a href="https://physics.aps.org/" target="_blank" data-msys-clicktrack="0" rel="nofollow noopener noreferrer">Physics Magazine.</a>Afek and colleagues will provide a short presentation of their results followed by a live question-and-answer session where all attendees will have the opportunity to discuss the research live with the authors.Registration is free and a recording of the session will provided to all registrants.

PRJC: Dark Matter Meets Atomic, Molecular, and Optical Physics

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PRJC: Dark Matter Meets Atomic, Molecular, and Optical Physics

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