Research

Research

Soft Collinear Effective Theory

Soft collinear effective theory (SCET) was developed by my collaborators and myself from 2000-2001. It describes the interactions of particles which have mass considerably smaller than their energy. SCET has many applications, and is by now a widely used by many groups. Its first applications have been in B physics, helping to describe B decays into either exclusive light mesons, or into narrow jets recoiling against weakly interacting particles.

Most applications of SCET nowadays are in the area of collider physics, where the presence of energetic, narrow jets make this effective theory ideally suited for this application. Most of the interest of the particle physics community is focused on the large hadron collider (LHC), which collides protons at a center of mass energy of initially 7 TeV, and at a later stage at 14 TeV. Since the initial colliding particles are strongly interacting, a factorization theorem is required to allow any theoretical insight into the measured data. While such factorization proofs have been developed since the early 1980’s, SCET has allowed to understand the factorization of more complicated processes. Another aspect where SCET is being used is to understand the structure of perturbation theory of the short distance physics.

Development of

Contact information:

Dr. Christian W Bauer, Lawrence Berkeley National Laboratory, M/S 50A5104, Berkeley, CA 94720

Email: cwbauer@lbl.gov, Phone: (510) 486-7773, Fax: (510) 486-4608