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5-8 October 2020
US/Central timezone
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A deci-Hz Gravitational-Wave Lunar Observatory for Cosmology

Not scheduled



Karan Jani (Vanderbilt University)


We are proposing Gravitational-Wave Lunar Observatory for Cosmology (GLOC) -- a first of its kind fundamental physics experiment on the surface of the Moon. The experiment would access gravitational waves in the frequency range of deci-Hz to 5 Hz, a challenging regime for all Earth-based detectors and space missions. We find that such a lunar-based experiment can survey over $70\%$ of the observable volume of our universe without significant background contamination. This unprecedented sensitivity makes GLOC a powerful cosmic probe for Dark Energy, Dark Matter and physics beyond the Standard Model. In particular, it will independently trace the Hubble expansion rate up to redshift $z \sim 3$, provide the strongest limits on the sub-solar Dark Matter candidates and test $\Lambda$CDM cosmology up to $z\sim 100$. Furthermore, it will have a unique access to gravitational waves from Type Ia supernovae, thus aiding calibration of the standard candles.

Primary frontier topic Cosmic Frontier

Primary author

Karan Jani (Vanderbilt University)

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