Massive lighter quark corrections to boosted-top cross section

Massive lighter quark corrections to boosted-top cross section

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In this work we present the computation cortech sonic-flo gloves of the missing pieces to get the bHQET thrust distribution with non-vanishing secondary quark masses at NNLO: the jet and hard functions.The difference with respect to the massless case is encoded in diagrams with massive-quark bubbles.For its computation we use a Mellin Barnes representation of the dispersive integral method that permits expressing the result as an analytic, fast-converging expansion in powers of a small parameter rather than integrals that can only be solved numerically.

We also obtain the matching coefficient present when integrating out the quark mass.It maison alhambra libbra is necessary for a continuous top-down running and to verify the consistency check.