TL;DR
This paper investigates complex nuclear processes, focusing on intermediate-state interactions and amplitudes, proposing the use of free-space hadron-nucleon branching ratios as tests for models, and analyzing the link between self-energy and subprocess amplitudes.
Contribution
It introduces a method to test nuclear process models using free-space hadron-nucleon branching ratios and derives formulas for processes occurring within nuclear media.
Findings
Formulas for medium processes are derived.
Branching ratios of free-space interactions are proposed as tests.
Connection between self-energy and subprocess amplitudes is analyzed.
Abstract
The intermediate-state interaction and structure of amplitudes of complicated processes in medium (decays, reactions and the transitions) are studied. It is proposed to use the branching ratio of channels of free-space hadron-nucleon interaction as a test in the construction and verification of the models. The corresponding formulas for the processes in the medium are obtained. The connection between particle self-energy and amplitudes of subprocesses are analyzed as well.
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