Compton Scattering – Pre-Order

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Demonstrate the energy loss of gamma quanta by Compton scattering and study Compton scattering at two different angles.

The Compton Effect illustrates the particle nature of gamma radiation. When a gamma quantum bounces off an electron, its energy loss depends on the scattering angle.

This kit consists of two pairs of shell-shaped targets and a central holder with adjustment screws and lead absorber. These rotationally symmetrical aluminum targets give a high count-rate for the two fixed scattering angles (approximately 60° and 90°).

With our gamma spectrometer and a standard Cs-137 source, viable different spectra for both angles can be obtained within an hour. A lead absorber blocks the direct radiation from the source to the detector. Correction for background radiation (including scattering from the table top, etc.) is handled by the included spectrometer software.

compton scattering angle

The principle behind this device is the old geometric truth that the size of an peripheral angle is defined by the arc it spans. We can then obtain the same scattering angle over a very large solid angle.