Syllabus
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Course Code: PHY 303C Course Name: Particle Physics-I |
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| MODULE NO / UNIT | COURSE SYLLABUS CONTENTS OF MODULE | NOTES |
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| 1 | Wave Optical Description of Hadron Scattering (12 hrs.) Partial wave analysis for elastic scattering cross-section (non identical and spin less particles), characteristic S and P wave scattering, reaction cross-section, optical theorem and its significance; Resonanaces: Introduction to resonances, difference between resonances and unstable particles, Δ(1236) resonance, W and Z0 Resonance, Briet- Wigner resonance formula and its significance, introduction to Dalitz plots with example of K+→3π decay, discovery of charm, bottom and top quarks (qualitative description). |
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| 3 | Conservation Laws (12 hrs.) The conservation of electric charge and stability of electron, the conservation of baryon number and stability of proton, Lepton number conservation, conservation and violation of isospin in different types of interactions, assignment of strangeness number to hadrons, strangeness conservation in strong and electromagnetic interactions and violation in weak interactions with suitable examples, The Ge11-Mann-Nishijima formula, the baryon 3/2+ decuplet, 1/2+ octet and the meson 0- octet, SU(3) classification of hadrons, qualitative idea of Grand Unification theory, prediction of proton decay. |
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| 4 | Symmetry Principles (12 hrs.) Charge conjugation invariance, suppression of π0→3γ decay w. r. t. π0 →2γ decay, restrictions imposed by C invariance on the states of positronium annihilating in the modes e+ e- →2γ 3γ, G-Parity, Ґ-θ puzzle, parity conservation in strong and electromagnetic interactions and violation in weak decays, C and P operations on neutrino states, CPT theorem (statement only) and its consequences. |
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