https://doi.org/10.1140/epjc/s10052-025-15206-6
Regular Article - Theoretical Physics
Threshold resummation for W-boson pair production at NNLO+NNLL
1
Istituto Nazionale di Fisica Nucleare, Gruppo collegato di Cosenza, 87036, Arcavacata di Rende, Cosenza, Italy
2
Department of Physics, Indian Institute of Technology Guwahati, 781039, Guwahati, India
a
This email address is being protected from spambots. You need JavaScript enabled to view it.
Received:
1
October
2025
Accepted:
10
December
2025
Published online:
5
January
2026
Abstract
We present results for threshold resummation of the invariant mass distribution, for on-shell production of a pair of W bosons at next-to-next-to-leading order + next-to-next-to-leading logarithmic(NNLO+NNLL) accuracy in QCD. Owing to its sensitivity to the self-interactions between gauge bosons, this process is important to investigate at the energies of the Large Hadron Collider(LHC). We achieve this resummation by exploiting the factorization properties of the soft and virtual parts of the partonic cross-section. Our analysis has been carried out for the invariant mass distribution up to Q = 2500 GeV. At this highest Q we find that, for 13.6 TeV LHC, the NNLL resummation enhances the NNLO cross-sections by about 
and reduces the conventional scale uncertainties from 
at NNLO to 
at NNLO+NNLL. We also estimate the intrinsic uncertainties due to the non-perturbative parton distribution functions at the highest perturbative order, for both fixed-order and resummed results, to be around 
for 
2000 GeV.
© The Author(s) 2026
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.
Funded by SCOAP3.
