Absorption in the final state in reactions and decays in the medium |
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Authors: | V I Nazaruk |
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Institution: | (1) Institute for Nuclear Research of RAS, 60th October Anniversary Prospect 7a, 117312 Moscow, Russia |
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Abstract: | The role of strong absorption of particles in intermediate and final states has been considered. The range of applicability
of phenomenological models of absorption has been studied. This model is nonuniversal. Its applicability depends on the type
of interaction Hamiltonian and matrix element used. We also demonstrate that the violation of the unitarity condition can
produce a qualitative error in the results. The absorption (decay) in the final state does not tend to suppress the total
process probability as well as the probability of the channel corresponding to absorption. This is true for the reactions,
decays and nˉ conversion in the medium. |
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Keywords: | PACS" target="_blank">PACS 24 10 -i Nuclear reaction models and methods 24 50 +g Direct reactions 11 30 Fs Global symmetries (e g baryon number lepton number) |
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