Effective Field Theory
Video Lectures
Displaying all 26 video lectures.
I. Introduction to Effective Field Theory | |
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Lecture 1 Play Video |
Introduction to Effective Field Theory (EFT) In this lecture, the professor discussed EFT of Hydrogen, top-down and bottom-up, and renormalizable EFT. |
Lecture 2 Play Video |
Dimensional Power Counting In this lecture, the professor discussed Marginal & (ir)relevant operators, Standard Model as and EFT, and started topic of field redefinitions. |
Lecture 3 Play Video |
Field Redefinitions In this lecture, the professor finished field redefinitions, discussed loops, regularization and the impact on power counting. |
Lecture 4 Play Video |
Matching and Decoupling In this lecture, the professor discussed alphas(mu) and integrating out massive particles in MSbar, and Electroweak Hamiltonian Hw. |
Lecture 5 Play Video |
Classic Operator Renormalization Group Equations (RGE) In this lecture, the professor discussed renormalization group equations for Hw, running & scale variations, LL, NLL, etc., matching and scheme dependence. |
Lecture 6 Play Video |
Chiral Lagrangians In this lecture, the professor discussed linear sigma model & field redefinitions, non-linear Lagrangian & symmetry breaking, Spurion analysis, and started topic of loops. |
Lecture 7 Play Video |
Chiral Loops In this lecture, the professor discussed loops in ChPT in dimensional regularization, naive dimensional analysis, momentum power counting theorem, SU3, and started topic of Heavy Quark Effective Theory. |
II. Heavy Quark Effective Theory | |
Lecture 8 Play Video |
Heavy Quark Effective Theory (HQET) In this lecture, the professor discussed QCD to HQET, velocity labels, power counting, heavy quark symmetry, spectroscopy, covariant superfields, and started loops. |
Lecture 9 Play Video |
HQET Matching & Power Corrections In this lecture, the professor discussed detailed matching calculation, velocity dependent anomalous dimension and Wilson coefficients, power corrections and reparameterization invariance. |
Lecture 10 Play Video |
HQET Examples In this lecture, the professor discussed heavy hadron masses, exclusive semileptonic decays, inclusive decays and OPE, pole mass versus short distance masses, and started topic of renormalons. |
Lecture 11 Play Video |
Renormalons In this lecture, the professor discussed bubble sum for heavy quark mass, removing renormalon ambiguities with scale R, R-RGE, and all orders formula for Lambda_QCD. |
Lecture 12 Play Video |
More Renormalons In this lecture, the professor discussed solution of R-RGE, sum rule for renormalons, renormalons in OPEs, connecting Wilsonian and Continuum EFT. |
Lecture 13 Play Video |
EFT with Fine Tuning In this lecture, the professor discussed 2-nucleon nonrelativisitic EFT, bubble sums & effective range expansion, fine tuning from RGE flow between fixed pts, and power corrections. |
Lecture 14 Play Video |
EFT with Fine Tuning Part 2 In this lecture, the professor discussed conformal invariance, SU(4) symmetry, calculations with the deuteron bound state, and started Soft-Collinear Effective theory (SCET). |
III. Soft-Collinear Effective Theory | |
Lecture 15 Play Video |
Soft-Collinear Effective Theory (SCET) Introduction In this lecture, the professor discussed degrees of freedom, light cone coordinates, SCETI & SCETII, jets and energetic hadrons, and collinear propagators. |
Lecture 16 Play Video |
SCET Collinear Wilson Lines In this lecture, the professor discussed W from integrating out offshell propagators, and SCET Lagrangian. |
Lecture 17 Play Video |
SCET Multipole Expansion In this lecture, the professor discussed multipole expansion with label and residual momenta, label operators, and Wilson line identities. |
Lecture 18 Play Video |
SCET Beyond Tree Level In this lecture, the professor discussed gauge symmetry, and reparameterization invariance. |
Lecture 19 Play Video |
SCET Beyond Tree Level 2 In this lecture, the professor discussed extension to multiple collinear directions, and ultrasoft-collinear factorization via field redefinitions. |
Lecture 20 Play Video |
SCET Wilson Coefficients In this lecture, the professor discussed hard-collinear factorization, quark and gluon building blocks for operators, loops and IR divergences, and 0-bin. |
Lecture 21 Play Video |
SCET Sudakov Logarithms In this lecture, the professor discussed LL RGE for Sudakov summation, cusp anomalous dimension, convolutions in RGE, and started DIS factorization. |
Lecture 22 Play Video |
SCET for DIS In this lecture, the professor finished DIS factorization, 1-loop renormalization of PDFs, and convolutions in other processes. |
Lecture 23 Play Video |
SCET for Dijets In this lecture, the professor discussed e+e- to dijets, factorize cross section with measurements, jet function, hemisphere soft function, peak/tail/fixed order regions, and all orders RGE. |
Lecture 24 Play Video |
SCETII In this lecture, the professor discussed soft-collinear factorization, SCETI to SCETII matching, power counting theorems, and gamma* gamma → pi^0 example. |
Lecture 25 Play Video |
SCET_2 Rapidity RGE In this lecture, the professor discussed B→D pi example, rapidity divergences, massive sudakov form factor, and rapidity RGE. |
Lecture 26 Play Video |
SCET for LHC In this lecture, the professor discussed Higgs pT distribution, Inclusive Drell-Yan, Threshold Drell-Yan, and Beam Thrust Drell-Yan. |