Weak decays of medium and heavy Lambda-hypernuclei

Details Weak decays of medium and heavy Lambda-hypernuclei Weak decays of medium and heavy Lambda-hypernuclei

1999-02-09

arxiv.org/abs/nucl-th/9902023v1

Phys.Rev. C61 (2000) 044314

Physics

Nuclear Physics

Nuclear Theory

22 pages, including 5 figures

Scientific paper

10.1103/PhysRevC.61.044314

We have made a new evaluation of the Lambda decay width in nuclear matter within the Propagator Method. Through the Local Density Approximation it is possible to obtain results in finite nuclei. We have also studied the dependence of the widths on the N-N and Lambda-N short range correlations. Using reasonable values for the parameters that control these correlations, as well as realistic nuclear densities and Lambda wave functions, we reproduce, for the first time, the experimental non-mesonic widths in a wide range of mass numbers (from medium to heavy hypernuclei).

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