Momentum-space threshold resummation in $tW$ production at the LHC
25 Jun 2019
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Li Chong Sheng
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Li Hai Tao
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Shao Ding Yu
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Wang Jian
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.(read more)