Syllabus
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Course Code: PHY 403C Course Name: Particle Physics-II |
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| MODULE NO / UNIT | COURSE SYLLABUS CONTENTS OF MODULE | NOTES |
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| 1 | Weak Interactions (10 hrs.) Classification of weak interactions- Leptonic, semi-leptonic and non-leptonic decays; Concept of Helicity. Helicity conservation, Helicity assigned to neutrino and antineutrino, Helicity assigned to other particles involved in these decays, helicity of neutrino and anti-neutrino, C-P invariance and violation in K0 decay, π→μ and π→e branching ratios and its outcome, weak decay of strange particles- selection rules for non-leptonic and semi-leptonic decays, suppression of ΔS=1 transitions in comparison to ΔS=0 transitions- Cabibbo theory, Introduction to Higg‟s boson. |
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| 2 | Relativistic Kinematics (12 hrs.) Lorentz transformation, Concept of 4-vector notation and its importance, Calculation of centre of mass energy for two particles colliding in lab frame, advantage of colliding beam experiments in comparison to fixed target experiments, derivation of expression to calculate threshold energy of the projectile hitting a stationary target resulting in production of additional particles (examples like pp→pppp, ppπ , ppk+k- ppk0 k0, Σ+k0 p etc.), calculation of energies of the decay products in the rest frame of the decaying particle from the two body decay like A →B+ C. |
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| 3 | Passage of Charged Particles Through Matter (12 hrs.) Ionization loss of charged particles, derivation of stopping power equation for electronic loss based on impact parameter approach, Bethe-Bloch formula (no derivation), concept of effective charge, Shell and Density effect corrections, scaling law and its importance, nuclear energy Loss, radiation loss of electrons- Bremsstrahlung process, emission of Cerenkov radiations at relativistic velocities, stopping power in compounds- Bragg‟s additivity rule, concept of energy loss straggling- collisional and charge exchange straggling. |
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| 4 | Particle Detectors and Accelerators (14 hrs.) Nuclear emulsion detector- principle and mechanism for charged particle detection, nuclear emulsion as a 4π detector, advantage of nuclear emulsion in relativistic hadron-nucleus interactions (multiplicity, momentum, energy distributions of produced particles); Solid state nuclear track detectors- principle and mechanism of detection of nuclear charged particles, Ion-explosion spike model and its predictions, restricted energy loss model for organic detectors; Basic principle of working of cloud chamber, bubble chamber, Cerenkov counter; Calorimeters- formation of electromagnetic and hadron showers; Principle of neutrino detection Accelerators: Principle and important features of Linear accelerator (LINACs), cyclic accelerator (synchrotrons): electron synchrotron, colliding beam machine, Introduction to Large Hadron collider, |
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