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8–10 May 2023
University of Pittsburgh
US/Eastern timezone

Probing ultralight dark-photon dark matter with asteroids

9 May 2023, 17:45
15m
Lawrence Hall 107

Lawrence Hall 107

BSM BSM XII

Speaker

Mr Anubhav Mathur (Johns Hopkins University)

Description

Ultralight dark-photon dark matter coupled to the Standard Model (through e.g. $B$ or $B−L$ charges) would supply a new force that oscillates with a frequency set by the dark photon mass. Such forces result in fluctuations in the separation between inertial test masses, a physical quantity tracked in many gravitational-wave (GW) detectors. A recent GW detection proposal based on monitoring the separation of certain asteroids in the inner Solar System would be sensitive to frequencies in the experimentally-challenging μHz band. In this talk, I discuss how that proposal would also enable access to new parameter space for dark-photon dark matter, well beyond current best limits.

Primary authors

Mr Anubhav Mathur (Johns Hopkins University) Dr Michael Fedderke (Johns Hopkins University)

Presentation materials