SCET 2023

Session

Session 2

27 Mar 2023, 11:00

Room 310, Building 91 (Lawrence Berkeley National Lab)

10. Glauber Quarks and Backscattering Resummation in QED

Arindam Bhattacharya (Harvard University)

27/03/2023, 11:00

Glauber modes associated with fermion exchange lead to large logarithmic enhancements in backward scattering processes in QED and QCD. We discuss the full one-loop matching of backward scattering limit of QCD to SCET augmented with Glauber quark operators, and demonstrate that no one-loop Wilson coefficients are needed, thereby providing an analogous result to earlier work on Glauber gluons....

19. Small-$x$ Factorization from Effective Field Theory

Dr Aditya Pathak (DESY)

27/03/2023, 11:30

We derive a factorization theorem that allows for resummation of small-$x$ logarithms by exploiting Glauber operators in the soft collinear effective field theory. Our analysis is carried out for the hadronic tensor $W^{\mu \nu }$ in deep inelastic scattering, and leads to the definition of a new gauge invariant soft function $S^{\mu \nu }$ that describes quark and gluon emission in the central...