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UID:679@qft.physik.hu-berlin.de
DTSTART;TZID=Europe/Berlin:20151125T150000
DTEND;TZID=Europe/Berlin:20151125T160000
DTSTAMP:20151123T225607Z
URL:https://qft.physik.hu-berlin.de/next-seminars/henrik-johansson-uppsala
 -univ/
SUMMARY:Henrik Johansson\, Uppsala Univ. - Color-Kinematics Duality for QCD
  Amplitudes
DESCRIPTION:&nbsp\;\n\nIn this talk I present evidence that tree-level ampl
 itudes of (super-)QCD with massive flavored quarks exhibit a duality betwe
 en the color and kinematic structures. As an intermediate step a new color
  decomposition is obtained for n-point tree amplitudes in a reduced basis 
 of primitive amplitudes\, which is the generalization of the decomposition
  of Del Duca\, Dixon\, and Maltoni to an arbitrary number of quarks. The n
 ew tree-level amplitude relations that follow from the color-kinematics du
 ality are a generalization of the BCJ relations for gluon amplitudes. Thes
 e relations give a basis of (n-3)!(2k-2)/k! primitive amplitudes\, for k&g
 t\;1 quark lines. I will briefly discuss how these properties can be made 
 useful in loop calculations.
CATEGORIES:Research Seminars
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DTSTART:20151025T020000
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