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Nuclear Physics




© The scientific sentence. 2010

Nuclear Physics & Particle Physics
Particle accelerators
Electrostatic Accelerators
Van de Graaff Accelerator





Electrostatic Accelerators



An electrostatic accelerators work by accelerating a charged particle through a constant potential difference.

If a particle has a charge q and mass m and move through a potential difference of V then it will gain a kinetic energy of:

mv2/2 = qV

The electrostatic accelerators use of electric fields to accelerate charged particles. They varies widely in the manner in which the fields are applied. The most straightforward type of accelerator results from the application of a potential difference between two terminals. (see the figure)

The first particle accelerator was built by two physicists, Ernest Walton (1903-1995) and John Cockcroft (1897-1967) and used the principle of electrostatic acceleration.




  


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