Abstract
In this lecture I wish to review some recent developments in particle physics, in particular the prediction and subsequent experimental discovery of a new type of weak interaction, the so-called neutral weak interaction. This interaction resulted as a consequence of unification of weak and electromagnetic interaction by Salam and Weinberg. Also I would discuss how the proliferation of strongly interacting particles, called hadrons, the well-known example of which is proton, has lead us to regard them as composite entities made up of quarks.
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Riazuddin (1979). Fundamental Constituents of Matter and Unification of Weak and Electromagnetic Interactions. In: Riazuddin (eds) Physics and Contemporary Needs. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-3587-0_15
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