Kavli Affiliate: David H. Shoemaker
| First 5 Authors: Kathryne J. Daniel, Joshua R. Smith, Stefan Ballmer, Warren Bristol, Jennifer C. Driggers
| Summary:
Cosmic Explorer (CE) is a next-generation ground-based gravitational-wave
observatory that is being designed in the 2020s and is envisioned to begin
operations in the 2030s together with the Einstein Telescope in Europe. The CE
concept currently consists of two widely separated L-shaped observatories in
the United States, one with 40 km-long arms and the other with 20 km-long arms.
This order of magnitude increase in scale with respect to the LIGO-Virgo-KAGRA
observatories will, together with technological improvements, deliver an order
of magnitude greater astronomical reach, allowing access to gravitational waves
from remnants of the first stars and opening a wide discovery aperture to the
novel and unknown. In addition to pushing the reach of gravitational-wave
astronomy, CE endeavors to approach the lifecycle of large scientific
facilities in a way that prioritizes mutually beneficial relationships with
local and Indigenous communities. This article describes the (scientific, cost
and access, and social) criteria that will be used to identify and evaluate
locations that could potentially host the CE observatories.
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