2017-observed binary neutron star merger simulations reveal trapped hot neutrinos for 2-3 milliseconds.

Neutron star collision simulations reveal hot neutrinos trapped for 2-3 milliseconds at the merging interface, according to research led by Penn State physicists. Neutrinos, created during the collision, can remain out of equilibrium with the cold cores of the merging stars. These findings provide insights into the physics of binary neutron star mergers, which were observed for the first time in 2017 with signals including gravitational waves.

June 18, 2024
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