Titlebook: Unification and Supersymmetry; The Frontiers of Qua Rabindra N. Mohapatra Textbook 19922nd edition Springer Science+Business Media New York

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ABIDE

Phenomenology of Supersymmetric Models,In the previous three chapters we have laid the foundation for applying the ideas of supersymmetry to building models of particle physics. At present there exists a successful (at low energies) model of electro-weak and strong interactions—the standard SU(2). × U(1)., × SU(3)., model.

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Application of Supergravity (, = 1) to Particle Physics,In this chapter we would like to build models of elementary particle interactions using the ideas developed in the previous chapter.

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,-Violation: Weak and Strong,nly place where breakdown of .-invariance has been observed. Since Lorentz invariant local field theories are .-invariant, breakdown of .-symmetry implies breakdown of time-reversal invariance. This fact is used in experimental search for .-violation by looking for kinematic effects odd under time-reversal symmetry.

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SO(10) Grand Unification,ki [1]. Unlike SU(5), SO(10) is a group of rank 5 with the extra diagonal generator of SO(10) being . — . as in the left-right symmetric groups. The advantages of SO(10) over SU(5) grand unification are that:

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Beyond , = 1 Supergravity, unification that described all four forces of nature, weak electromagnetic, and strong as well as gravitational, within one theoretical framework. A theorist’s dream is, however, more ambitious and rightly so, since, even the very elegant . 1 supergravity leaves many questions unanswered: a partial list includes:

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https://doi.org/10.1007/978-1-4757-4373-9Lepton; Quark; field theory; gravity; quantum field theory

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Springer Science+Business Media New York 1992