Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2004-11-18
Nucl.Phys. A748 (2005) 27-38
Physics
Nuclear Physics
Nuclear Theory
To be published in Nuclear Physics A
Scientific paper
10.1016/j.nuclphysa.2004.10.014
Sequential three-body decay proceeds via spatially confined quasi-stationary two-body configurations. Direct three-body decay populates the three-body continuum without intermediate steps. The relative importance of these decay modes is discussed in a schematic model employing only Coulomb or centrifugal barrier potentials. Decisive dimensionless charge, mass and energy ratios are derived. Sequential decay is usually favored for charged particles. Small charge and small mass of high energy is preferably emitted first. Without Coulomb potential the sequential decay is favored except when both resonance energy and intermediate two-body energy are large.
Fedorov Dmitry V.
Fynbo H. O. U.
Garrido E.
Jensen Andreas Schmidt
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