Decay rates of medium-heavy Lambda-hypernuclei within the Propagator Method

Details Decay rates of medium-heavy Lambda-hypernuclei within the Propagator Method Decay rates of medium-heavy Lambda-hypernuclei within the Propagator Method

2000-11-09

arxiv.org/abs/nucl-th/0011036v1

Published on the Proceedings of the APCTP workshop SNP'99, World Scientific Publishing (September 2000)

Physics

Nuclear Physics

Nuclear Theory

8 pages, 1 figure. Talk given at the APCTP Workshop Strangeness Nuclear Physics, Seoul National University, Seoul, Korea, 19-2

Scientific paper

The Lambda decay rates in nuclei has been calculated in ref. 1 using the Propagator Method in Local Density Approximation. We have studied the dependence of the widths (including the one for the two-body induced process Lambda NN -> NNN) on the N-N and Lambda-N short range correlations. Using a reasonable parametrization of these correlations, as well as realistic nuclear densities and Lambda wave functions, we reproduce, for the first time, the experimental non-mesonic widths from medium to heavy hypernuclei.

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