Quantum interference of particles and resonances

TL;DR

This review explores quantum interference of resonances, highlighting experimental methods to detect new resonances and understand their properties through interference phenomena, including rare decay modes and exotic quantum states.

Contribution

It provides a comprehensive overview of resonance interference, emphasizing experimental approaches for discovering and analyzing new resonances with various quantum numbers.

Findings

Interference can reveal rare decay modes of resonances.

Resonance interference offers methods to search for exotic quantum states.

Some types of resonance interference remain poorly understood.

Abstract

Though the phenomenon of quantum-mechanical interference has been known for many years, it still has many open questions. The present review discusses specifically how the interference of resonances may and does work. We collect data on the search for rare decay modes of well-known resonances that demonstrate a wide variety of possible different manifestations of interference. Some special kinds of resonance interference, not yet sufficiently studied and understood, are also briefly considered. The interference may give useful experimental procedures to search for new resonances with arbitrary quantum numbers, even with exotic ones, and to investigate their properties.