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Improving predictions for associated tbar{t}H production at the LHC: soft gluon resummation through NNLL accuracy

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arxiv 1710.06358 v1 pith:NBBHRIB7 submitted 2017-10-17 hep-ph

Improving predictions for associated $t\bar{t}H$ production at the LHC: soft gluon resummation through NNLL accuracy

classification hep-ph
keywords resummationcrosssectionaccuracygluonnnllresultsrightarrow
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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abstract

In the following we present our recent results on the resummation of soft gluon corrections to the $pp\rightarrow t\bar{t}H$ cross section at the LHC. The resummation was carried out at next-to-next-to-leading-logarithmic (NNLL) accuracy using the Mellin space technique. Obtained results were matched to the NLO cross section. We show that the resummation leads to reduction of scale-variation uncertainty of the total $pp\rightarrow t\bar{t}H$ cross section.

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