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Nanohertz gravitational waves: detection, confirmation, characterization, elaboration…
Summary
Marc Kamionkowski (Johns Hopkins University)
Varian 355
Varian 355
Mar
18
Date(s)
Content
Abstract: In June 2023, four pulsar timing arrays reported evidence for discovery of a ~nHz gravitational-wave background. I will review the search techniques, the evidence, and possible sources, and then discuss work on further characterization of the signal that my collaborators and I have done.