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VV Resummation To NNLO+NNLL At the LHC

Pulak Banerjee, Chinmoy Dey, M. C. Kumar, Vaibhav Pandey

Abstract

We present the resummed predictions for a vector boson pair production at the LHC. We have performed threshold resummation to next-to-next-to-leading logarithmic (NNLL) accuracy, and then matched them to next-to-next-to-leading order (NNLO) QCD results. After resummation, we observe a reduction in the scale uncertainties arising from unphysical renormalization and factorization scales. We find that the resummed corrections add a few per cent to the fixed order results for both ZZ and WW production.

VV Resummation To NNLO+NNLL At the LHC

Abstract

We present the resummed predictions for a vector boson pair production at the LHC. We have performed threshold resummation to next-to-next-to-leading logarithmic (NNLL) accuracy, and then matched them to next-to-next-to-leading order (NNLO) QCD results. After resummation, we observe a reduction in the scale uncertainties arising from unphysical renormalization and factorization scales. We find that the resummed corrections add a few per cent to the fixed order results for both ZZ and WW production.
Paper Structure (4 sections, 10 equations, 3 figures, 1 table)

This paper contains 4 sections, 10 equations, 3 figures, 1 table.

Table of Contents

  1. Introduction
  2. Theoritical framework
  3. Numerical Results
  4. Conclusion

Figures (3)

  • Figure 1: Resummed predictions for the invariant mass distribution of the VV(V=Z,W) production and the corresponding K-factors up to NNLO+NNLL.
  • Figure 2: Seven-point scale uncertainties for VV production up to NNLO+NNLL.
  • Figure 3: Resummed predictions for the invariant mass distribution of the VV(V=Z,W) production and the corresponding K-factors up to NNLO+NNLL.