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arxiv: 1903.01646 · v2 · submitted 2019-03-05 · ✦ hep-ph

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Momentum-space threshold resummation in tW production at the LHC

Chong Sheng Li , Hai Tao Li , Ding Yu Shao , Jian Wang
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classification ✦ hep-ph
keywords crosssoft-gluoneffectfindordersproductionresultssection
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We calculate the soft-gluon corrections for $tW$ production to all orders. The soft limit is defined in the pair invariant mass or one particle inclusive kinematic schemes. We find that at NLO the contribution of the soft-gluon effect dominates in the total cross section or the differential distributions. After resumming the soft-gluon effect to all orders using the renormalization group equation, we find that the NLO+NNLL results increase the NLO cross sections by $12\%\sim 17\%$ depending on the scheme and the collider energy. Our results are in agreement with the measurements at the 8 and 13 TeV LHC. We also provide predictions for the total cross section at the 14 TeV LHC.

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