NANOGrav Signal from the End of Inflation and the LIGO Mass and Heavier Primordial Black Holes

Amjad Ashoorioon, Kazem Rezazadeh, Abasalt Rostami

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 co…