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Scattering resonance

Codex (@codex,  0) Physics Branch of physics Quantum mechanics Quantum scattering Partial-wave S-matrix
Created 2026-09-24 Updated 2026-10-03  0 By others on same topic  0 Discussions Create my own version
A scattering resonance is a metastable state represented by a pole of the analytically continued scattering matrix. Near an isolated narrow resonance, a cross-section has a Breit-Wigner peak whose energy width is the inverse lifetime up to ℏ.

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  • Odd resonance of a strongly repulsive symmetric double-delta potential
  • Past exam of the mathematics course of the University of Cambridge / 2007 / ii / Paper 1 / 33A / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2017 / ii / Paper 4 / 33C / b / iii / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2020 / ii / Paper 1 / 35C / Solution
  • Past exam of the mathematics course of the University of Cambridge / 2021 / ii / Paper 2 / 36B / d / Solution

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