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SUMMARY:Heavy Quark Production in Soft Collinear Effective Theory - Emanue
 le Mereghetti (LBNL)
DTSTART:20140331T130000Z
DTEND:20140331T140000Z
UID:TALK51751@talks.cam.ac.uk
CONTACT:Damien George
DESCRIPTION:Heavy quarks play an important role in collider experiments. M
 any\ntheoretical tools are currently available\, which allow to obtain a\n
 successful description of heavy flavor production in fully inclusive\nobse
 rvables\, or at moderate energies\, close the scale of the quark mass.\nHo
 wever\, as the production energy increases\, large logarithms  appear\,\nt
 hreatening the convergence of the perturbative series\, and introducing\nl
 arge theoretical uncertainties. The hierarchy between the scales of the\nh
 ard scattering and of the quark mass can be exploited to establish an\neff
 ective field theory  treatment of heavy quark production.  Using Soft\nCol
 linear Effective Theory (SCET)\, I will show how  the dynamics at the\ndif
 ferent scales that enter heavy flavor production processes  can be\nfactor
 ized\, and large logarithms can be resummed through renormalization\ngroup
  equations.
LOCATION:Seminar Room B\, Rutherford Building\, Cavendish Laboratory
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