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Gravitational Waves from Domain Walls in Pulsar Timing Array Datasets
We present a model-independent search for a gravitational wave background from cosmic domain walls (DWs) in the NANOGrav 12.5 years dataset and International PTA Data Release 2. DWs that annihilate at temperatures ∼ 20–50 MeV with tensions ∼ (40–100 TeV)$^{3}$ provide as good a fit to both datase...
| Autores principales: | , , , |
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| Lenguaje: | eng |
| Publicado: |
2022
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1088/1475-7516/2023/02/001 http://cds.cern.ch/record/2807793 |