English

Threshold enhanced cross sections for colorless productions

High Energy Physics - Phenomenology 2023-03-10 v2

Abstract

We study the threshold effect for neutral and charged Drell-Yan productions, associated production of Higgs boson with a massive vector boson and Higgs production in bottom quark annihilation at LHC to the third order in QCD. Using the third order soft-virtual results for these processes and exploiting the universality of the threshold logarithms, we extract the process-dependent coefficients for these processes and resum large threshold logarithms to next-to-next-to-next-to leading logarithmic (N3^3LL) accuracy. By matching our results to the recently available N3^3LO results, we provide the most precise theoretical predictions for these processes. We present numerical results for invariant mass distribution and total production cross-sections. We find the conventional scale uncertainties of about 0.4%0.4\% at N3^3LO level in the fixed order results get reduced to as small as less than 0.1%0.1\% at N3^3LO+N3^3LL level in the high invariant mass region.

Keywords

Cite

@article{arxiv.2210.17534,
  title  = {Threshold enhanced cross sections for colorless productions},
  author = {Goutam Das and Chinmoy Dey and M. C. Kumar and Kajal Samanta},
  journal= {arXiv preprint arXiv:2210.17534},
  year   = {2023}
}

Comments

26 pages, 20 figures and 6 tables

R2 v1 2026-06-28T04:52:27.492Z