Title: 7:4. SIMPLE MODEL FOR NEUTRON SCATTERING LENGTHS
1CHAPTER 7 NEUTRON SCATTERING THEORY
71. SOLUTION OF THE SCHRODINGER EQUATION
72. SCATTERING CROSS SECTIONS
74. SIMPLE MODEL FOR NEUTRON SCATTERING LENGTHS
271. SOLUTION OF THE SCHRODINGER EQUATION
Scattered spherical wave
Incident plane wave
3DERIVATIONS
Schrodinger Equation
Hamiltonian
Eigenvalue (energy)
Eigenfunction
incident plane wave
scattered spherical wave
Scattering amplitude
472. SCATTERING CROSS SECTIONS
Incident neutron current
Scattered neutron current
Scattering cross section
574. SIMPLE MODEL FOR NEUTRON SCATTERING LENGTHS
6DERIVATIONS
Schrodinger Equation
Solution outside of the well
Solution inside of the well
Boundary condition
Obtain
Combine to obtain transcendental equation
7PLOT
8COMMENTS
-- Scattering is not a quantum mechanics problem
(there are no bound states). It is a classical
mechanics problem. -- However, the Quantum
Mechanics formalism is well suited to describe
scattering.