On the emission of neutrinos and gravitational waves in the formation of neutron stars

Details On the emission of neutrinos and gravitational waves in the formation of neutron stars On the emission of neutrinos and gravitational waves in the formation of neutron stars

Sep 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977ap%26ss..51..187k&link_type=abstract

Astrophysics and Space Science, vol. 51, no. 1, Sept. 1977, p. 187-196.

Astronomy and Astrophysics

Astronomy

2

Black Holes (Astronomy), Gravitational Waves, Neutrinos, Neutron Stars, Stellar Evolution, Binary Stars, Gravitational Collapse, Nuclear Binding Energy, Particle Emission, Pulsars, Stellar Mass Ejection, Stellar Rotation, Supernovae, X Ray Binaries, X Ray Stars

Scientific paper

The various modes in which the energy generated by the formation of a neutron star or black hole due to collapse of a stellar core can appear are investigated, and physical constraints are placed on this energy distribution by noting that neutron stars appear to have been found in at least six X-ray binaries and one binary pulsar. The energy generated by a supernova during the collapse of a stellar core to a neutron star is considered along with the manner in which this energy is distributed in the different modes. It is shown that the gravitational binding energy of a neutron star is converted mostly into kinetic energy of rotation or is emitted as neutrinos, gravitational waves, or both. The energy release through mass ejection and cosmic rays is suggested to be no more than a few percent of the total energy involved. A possible scenario is outlined for the case where the initial rotation velocity of the collapsing core exceeds some critical limit. It is concluded that gravitational radiation will be the ultimate outlet for most of the binding energy in this case.

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