Analysis and simulations of binary black hole merger spins -- the question of spin-axis tossing at black hole formation

Hans C. G. Larsen, Casper C. Pedersen, Thomas M. Tauris +3

The origin of binary black hole (BH) mergers remains a topic of active debate, with effective spins (chi_eff) measured by the LIGO-Virgo-KAGRA (LVK) Collaboration providing crucial…