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M. Stanley Livingston
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M. Stanley Livingston

American physicist

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development of particle accelerators

  • Plan view of the classical cyclotronAn ion source is located at the centre of an evacuated cylindrical chamber, between the poles of an electromagnet that creates a uniform field perpendicular to the flat faces. The source of the voltage is an oscillator that operates at a frequency equal to the frequency of revolution of the particles in the magnetic field. The accelerated particles follow semicircular paths of continually increasing radius.
    In cyclotron

    physicists Ernest Orlando Lawrence and M. Stanley Livingston. A cyclotron consists of two hollow semicircular electrodes, called dees, mounted back to back, separated by a narrow gap, in an evacuated chamber between the poles of a magnet. An electric field, alternating in polarity, is created in the gap by a…

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  • schematic diagram of a linear proton resonance accelerator
    In particle accelerator: History

    Lawrence’s student M.S. Livingston demonstrated the principle of the cyclotron in 1931, producing 80-keV ions; in 1932 Lawrence and Livingston announced the acceleration of protons to more than 1 MeV. Later in the 1930s, cyclotron energies reached about 25 MeV and Van de Graaff generators about 4…

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