Colour structure in threshold resummation and squark-antisquark production at NLL - High Energy Physics - PhenomenologyReportar como inadecuado




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Abstract: We consider the resummation of soft and Coulomb gluons for pair-productionprocesses of heavy coloured particles at hadron colliders, and discuss recentresults on the construction of a basis in colour space that diagonalizes thesoft function to all orders in perturbation theory and the determination of thetwo-loop soft anomalous dimension needed for NNLL resummations. We presentresults for the combined NLL resummation of soft gluon and Coulomb-gluoneffects for squark-antisquark production at the LHC.



Autor: Martin Beneke, Pietro Falgari, Christian Schwinn

Fuente: https://arxiv.org/



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