Isgur Fellowship Candidate Seminar

Speaker: Ted Rogers (de Vrije Universiteit Amsterdam)

Title:  Fully Unintegrated Parton Distributions and Extensions
    of Perturbative QCD Factorization

Abstract:
The standard factorization theorems of perturbative QCD are essential
tools in high energy particle phenomenology.  However, future
experiments will investigate phenomena that lie well outside the range
of applicability of the usual rigorous perturbative QCD factorization
formalism.  In particular, accurate treatments of final state
kinematics require the use of unintegrated or even fully unintegrated
parton distribution functions.  In my talk, I will give examples of
where a precise treatment of kinematics is critical. Next, I will
discuss recent progress toward obtaining a very general formulation
of factorization that maintains exact final state kinematics.  This
new formalism utilizes well-defined fully unintegrated parton
distribution functions and related objects.  I will close with an
overview of general open problems in extending factorization and
prospects for future developments.