LION :Laser Interferometer On the mooN
Pau Amaro-Seoane, Lea Bischof, Jonathan J. Carter, Marie-Sophie, Hartig, and Dennis Wilken

TL;DR
The paper proposes the LION gravitational wave detector, capable of observing a broad frequency range from sub-Hz to kHz, enabling new insights into cosmic phenomena like black hole formation and multi-messenger astronomy.
Contribution
Introduction of the LION detector concept, extending gravitational wave observation capabilities into the deci-Hertz regime with high sensitivity.
Findings
LION can detect compact binaries at cosmological distances with high SNR.
It can observe intermediate-mass ratio inspirals up to 100 Gpc.
LION complements existing detectors by covering the deci-Hertz gap.
Abstract
Gravitational wave astronomy has now left its infancy and has become an important tool for probing the most violent phenomena in our universe. The LIGO/Virgo-KAGRA collaboration operates ground based detectors which cover the frequency band from 10 Hz to the kHz regime, meanwhile the pulsar timing array and the soon to launch LISA mission will cover frequencies below 0.1 Hz, leaving a gap in detectable gravitational wave frequencies. Here we show how a Laser Interferometer On the mooN (LION) gravitational wave detector would be sensitive to frequencies from sub Hz to kHz. We find that the sensitivity curve is such that LION can measure compact binaries with masses between 10 and 100M at cosmological distances, with redshifts as high as z= 100 and beyond, depending on the spin and the mass ratio of the binaries. LION can detect binaries of compact objects with higher-masses, with very…
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