Main Page/PHYS 4210/Rutherford II

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Rutherford Scattering II

Rutherford Experiment: Extended version for 4th year.


Here are some definitions that may prove to be useful:

The number of scattering centres in the target is related to the thickness of the foil and the density of the material via N0 = (a x d) x  x A0/ A , where

  • A0 = Avogadro’s number = 6.0222 x 1023 atoms /mole.
  • A = atomic weight of the target in gm/mole.
  •  = density of the material (19.3 gm/cm3 for Au, 2.7 gm/cm3 for Al).
  • d = thickness of the target (2 micrometers = 2 microns for Au, 7 microns for Al).
  • a = area of the target intercepted by the beam.

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