Two and three nucleon K- absorption in nuclei

Details Two and three nucleon K- absorption in nuclei Two and three nucleon K- absorption in nuclei

2009-01-21

arxiv.org/abs/0901.3306v3

Physics

Nuclear Physics

Nuclear Theory

3 pages, 3 figures. In the proceedings of the International Conference on Particles And Nuclei (PANIC08), Eilat, Israel, Novem

Scientific paper

We analyze the peaks in the (Lambda p) and (Lambda d) invariant mass distributions, observed in recent FINUDA experiments and claimed to be signals of deeply bound kaonic states, and find them to be naturally explained in terms of K- absorption by two or three nucleons leaving the rest of the original nuclei as spectator. For reactions on heavy nuclei, the subsequent interactions of the particles produced in the primary absorption process with the residual nucleus play an important role. Thus at present there is no experimental evidence of deeply bound K- states in nuclei. However some new physics can be extracted from the data of FINUDA experiments.

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