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Next-to-next-to-leading order $N$-jettiness soft function for $tW$ production

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arxiv 1804.06358 v2 pith:6OLHOLEU submitted 2018-04-17 hep-ph

classification hep-ph
keywords jettinesssoftfunctionnext-to-next-to-leadingorderproductionanomalousbeen
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We calculate the $N$-jettiness soft function for $tW$ production up to next-to-next-to-leading order in QCD, which is an important ingredient of the $N$-jettiness subtraction method for predicting the differential cross sections of massive coloured particle productions. The divergent parts of the results have been checked using the renormalization group equations controlled by the soft anomalous dimension.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. NNLO soft functions for heavy-quark pair production at hadron colliders

    hep-ph 2026-08 accept novelty 7.0 of 10

    The paper delivers the first NNLO 0-jettiness soft function for hadronic top-quark pair production and generalises SoftSERVE to massive quarks.

  2. Approximate N$^2$LO and N$^3$LO QCD Predictions for $tW$ Production

    hep-ph 2025-12 conditional novelty 6.0 of 10

    Higher-order QCD corrections to top-plus-W production raise the predicted rate by over 10% and give |Vtb|=0.99±0.03.

  3. Region analysis of $H\to \gamma \gamma $ via a bottom quark loop

    hep-ph 2025-01 conditional novelty 6.0 of 10

    A two-loop region analysis of H to gamma gamma via a bottom quark loop shows that with a Delta regulator and a transverse momentum cut, the leading and next-to-leading logarithms come entirely from the soft sector.

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