Abstract

We predict here that globular clusters contain at least as many cataclysmic variables, which contain white dwarfs, as bright (Lx>1036 erg s−1) X-ray sources, which contain neutron stars. Globular clusters contain many more white dwarfs than neutron stars, but the capture mechanisms for the formation of binaries are more efficient for neutron stars. We point out here the consequences of the frequent formation of temporarily bound triple systems (resonance scattering). These are: an extra enhancement of neutron star capture with respect to white dwarf capture, a considerable probability of actual collisions between stars, and the presence of cataclysmic variables in the outer regions of globular clusters.

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