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Understanding the building blocks of the colour structure of the multi-parton scattering amplitudes beyond 3 loops
Anurag Tripathi (IIT Hyderabad, India)
Scattering amplitudes involving multiple partons are plagued with infrared singularities. The soft singularities are captured by the soft function which is defined as the vacuum expectation value of Wilson line correlators.Renormalization properties allow us to write it as an exponential of the finite soft anomalous dimension. An efficient way to study the soft function is …
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