2017 neutron star merger observations led to new constraints on axion-like particles, potential dark matter components.

Researchers at Washington University in St. Louis have discovered new physics signals in debris from colliding neutron stars, potentially shedding light on the nature of dark matter. Observations from a neutron star merger in 2017, detected by LIGO and Virgo, were used to derive new constraints on axion-like particles. These hypothetical particles are leading candidates to compose part or all of the universe's "missing" dark matter.

March 06, 2024
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