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Correcting for Evidence Uncertainty in the Templated Background Search for the Stochastic Gravitational-Wave Background
Xiao-Xiao Kou, Argyro Sasli, Muhammed Saleem +1
We report a new source of systematic bias in the Bayesian Templated Background Search (TBS) for the astrophysical stochastic gravitational-wave background. This bias arises from th…
Ultralight Bosons Explain the Mass-Spin Correlations in the Merging Binary Black Hole Population
Xiao-Xiao Kou, Vuk Mandic, Ran Ding +1
Ultralight bosons could trigger superradiant instabilities in rapidly spinning black holes, forming oscillating clouds while extracting rotational energy. We consider an extended,…
Identifying Cost-Favorable Locations for Cosmic Explorer
Laurence Datrier, Geoffrey Lovelace, Tooba Ansar +19
Cosmic Explorer (CE) is a proposed next-generation gravitational-wave observatory that aims to extend our gravitational-wave vision to the edge of the observable universe. With a f…
All You Need is not : Beyond the Mean of the Cross-Correlation Estimator when Searching for an Astrophysical Gravitational-Wave Background
Haowen Zhong, Francesco Iacovelli, Vuk Mandic +1
Searches for the stochastic gravitational-wave background (SGWB) using ground-based detectors rely heavily on the cross-correlation estimator , whose statistical properti…
Learned proposals in trans-dimensional inference are optimal at equilibrium, not during assembly
Argyro Sasli, Nikolaos Karnesis, Minas Karamanis +5
Inferring the dimension of a model - the number of components needed to explain data - jointly with the parameters is a pervasive problem, from counting sources in an image to mixt…
A thorough investigation of cross-correlation estimators for stochastic gravitational-wave background searches in ground-based detector data
Haowen Zhong, Joseph D. Romano, Vuk Mandic +2
Detecting a stochastic gravitational-wave background represents a crucial yet challenging objective within the field of gravitational-wave astronomy. Ground-based detectors current…
Polarized Anisotropic Stochastic Gravitational Wave Background Search with Ground-Based Detector Networks
Töre Boybeyi, Vuk Mandic
Gravitational waves admit a Stokes decomposition into intensity (), circular polarization (), and linear polarization (, ), analogous to Cosmic Microwave Background (CM…
Parameter Estimation of the Gravitational-Wave Angular Power Spectrum in the Dirty-Map Space
Erik Floden, Alex Granados, Vuk Mandic
We consider a search for the anisotropic stochastic gravitational-wave background (SGWB) that decomposes the sky map into its spherical harmonics components in order to obtain esti…
Beyond Gaussian Assumptions: A new robust statistical framework for gravitational-wave data analysis
Argyro Sasli, Minas Karamanis, Nikolaos Karnesis +4
Many traditional algorithms applied in gravitational-wave astronomy rely on the assumption of Gaussian noise, a condition not always met. To meet this need, this study extends a ro…