Principle

Compton scattering is to be achieved by directing an X-ray beam
against a piece of plastic. The portions of the scattered X-rays at
various angles is to be measured with a counter tube. Measurements
are to be made with an absorber positioned in front of and behind
the scatterer, so that the Compton wave length can be determined
from the varying intensity attenuation of the X-rays at
different  wavelengths, using a premeasured transmission
curve.

Tasks


Determine the transmission of an aluminium absorber as a
function of the Bragg angle and plot it as a function of the
wavelength of the radiation.

Measure the intensity of the radiation that is scattered at an
angle of a) 60° b) 90° and c) 120° on an acrylic glass block with
and without an absorber.

Determine the Compton wavelength of the electron based on the
transmission curve.


What you can learn about


Compton effect

Compton wavelength

Rest energy

Absorption

Transmission

Conservation of energy and momentum

X-rays

The Bragg equation