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2. R. Mann, Introduction to Particle Physics and Standard Model, CRC Press (2009).
3. F. Halzen and A. D. Martin, “QUARKS AND LEPTONS: An Introductory Course in Modern Particle Physiscs”, John Wiley & Sons (1984).
4. I. S. Hughes, “Elementary Particles”, 3rd Ed., Cambridge Universty Press (1996)
5. G. Kane, “Modern Elementary Particle Physics The Fundamental Particles and Forces”, Addison-Wesley (1993).