A photon enters a detector and undergoes Compton scattering. The scattered electron is captured within the detector and its kinetic.energy is measured. The scat- tered photon then travels to a second detector where it is captured and its energy measured. In one particular experiment, the electron energy was determined to be 2.302 MeV and the scattered photon energy 0.239 MeV. Determine the energy of the original photon and its direction relative to the scattered photon. This is the process used by the Compton Gamma-Ray Observatory (Figure 3.27) to determine the location in the sky from which energetic gamma rays reach the Earth.

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A photon enters a detector and undergoes Compton
scattering. The scattered electron is captured within the
detector and its kinetic.energy is measured. The scat-
tered photon then travels to a second detector where it
is captured and its energy measured. In one particular
experiment, the electron energy was determined to be
2.302 MeV and the scattered photon energy 0.239 MeV.
Determine the energy of the original photon and its
direction relative to the scattered photon. This is the
process used by the Compton Gamma-Ray Observatory
(Figure 3.27) to determine the location in the sky from
which energetic gamma rays reach the Earth.
Transcribed Image Text:A photon enters a detector and undergoes Compton scattering. The scattered electron is captured within the detector and its kinetic.energy is measured. The scat- tered photon then travels to a second detector where it is captured and its energy measured. In one particular experiment, the electron energy was determined to be 2.302 MeV and the scattered photon energy 0.239 MeV. Determine the energy of the original photon and its direction relative to the scattered photon. This is the process used by the Compton Gamma-Ray Observatory (Figure 3.27) to determine the location in the sky from which energetic gamma rays reach the Earth.
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