A ridge-regularized Gaussian form of the PTA likelihood lets pulsars be analyzed individually first and then combined globally for a gravitational-wave background search, reproducing standard ENTERPRISE results on EPTA DR2new data.
Let us start with the marginalization over ξ only 2Note that in this section we will first marginalize over ξ, so the quantities b, T will be replaced by a, F
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Regularizing the Pulsar Timing Array likelihood: A path towards Fourier Space
A ridge-regularized Gaussian form of the PTA likelihood lets pulsars be analyzed individually first and then combined globally for a gravitational-wave background search, reproducing standard ENTERPRISE results on EPTA DR2new data.