NANOGrav signal from the end of inflation and the LIGO mass and heavier primordial black holes

Releasing the 12.5-year pulsar timing array data, the North American Nanohertz Observatory for Gravitational Waves (NANOGrav) has recently reported the evidence for a stochastic common-spectrum which would herald the detection of a stochastic gravitational wave background (SGWB) for the first time....

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Bibliographic Details
Main Authors: Amjad Ashoorioon, Kazem Rezazadeh, Abasalt Rostami
Format: Article
Language:English
Published: Elsevier 2022-12-01
Series:Physics Letters B
Online Access:http://www.sciencedirect.com/science/article/pii/S0370269322006761