Compton Camera David Scraggs. Code Aims Use two detectors in Compton scattering experiment Define cones from Compton interactions; cone surfaces define.

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Presentation transcript:

Compton Camera David Scraggs

Code Aims Use two detectors in Compton scattering experiment Define cones from Compton interactions; cone surfaces define possible source locations Use intersecting cones to constrict source location Locate radiation sources in 3D space Differentiate between multiple nuclides Find best data analysis methods

Compton Scattering Arthur Holly Compton gets Nobel in 1927 for: In which theta is a function of scattered photon energy Determination of photon energies defines a cone on which the source must lie

Equation of a Cone Define an arbitrary cone in space A cone is a quadratic surface In Cartesian coordinates the implicit equation is given by; Where the c squared term is the cosine squared of the opening angle

General Cone After a great deal of fighting with matlab

Rotate Cones Euler rotation matrix defined as

Define Specific Cone Opening angle calculation relies upon experimental results from both detectors

Merge Cones and Detectors

Define Interaction in Space

Simple Back Projection with Multiple Cones Z = 43 plane

Simple Back Projection with Multiple Cones Z = 107 plane

Simple Back Projection with Multiple Cones Z = 400 plane