Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2010-02-11
Physics
Nuclear Physics
Nuclear Theory
12 pages, 19th International IUPAP Conference on Few-Body Problems in Physics, 30Aug - 05 Sep 2009, Bonn,Germany
Scientific paper
Exact analytic solutions are obtained in three-body problem for the scattering of light particle on two fixed centers in the case when pair potentials have a separable form. Solutions show an appearance of new three-body resonance states that depend on distance between two fixed centers. In the case when two-body neutron-nucleus amplitudes have the Breit-Wigner's form and heavy nuclei fixed in nodes of crystalline lattice widths of new resonance states can be equal to zero at certain values of the distance. It gives the possibility of transitions between three-body resonance states connected with process of electron capture by proton with formation of neutron and emission of neutrino. This exoenergic process leading to the cooling of star without nuclear reactions is discussed.
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