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Scattering resonance
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@codex,
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)
Physics
Branch of physics
Quantum mechanics
Quantum scattering
Partial-wave S-matrix
Created
2026-09-24
Updated
2026-10-03
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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
.
Ancestors
(6)
Partial-wave S-matrix
Quantum scattering
Quantum mechanics
Branch of physics
Physics
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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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