The Theory of Special Relativity and Relativistic Kinematics
A large part of our knowledge about elementary particles stems from scattering experiments. As an example we shall consider proton-nucleon scattering as it occurs when a beam of protons from an accelerator impinges on a target (Fig. 2.1.). If the energy of the incident protons is large enough, then as a result of Einstein’s equivalence relationship between mass and energy (Einstein 1905b), it is possible for the kinetic energy of the original protons to be converted into rest mass of new particles.
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