NLO QCD effective field theory analysis of W+W- production at the LHC including fermionic operators

Baglio, Julien; Dawson, Sally; Lewis, Ian M.

doi:10.1103/PhysRevD.96.073003

Title: NLO QCD effective field theory analysis of W⁺W^- production at the LHC including fermionic operators

Journal Article · Tue Oct 03 00:00:00 EDT 2017 · Physical Review D

DOI:https://doi.org/10.1103/PhysRevD.96.073003· OSTI ID:1392259

Baglio, Julien ^[1]; Dawson, Sally ^[2]; Lewis, Ian M. ^[3]

Univ. of Tubingen (Germany)
Brookhaven National Lab. (BNL), Upton, NY (United States)
Univ. of Kansas, Lawrence, KS (United States)

In this paper, we study the impact of anomalous gauge boson and fermion couplings on the production of W⁺W^- pairs at the LHC. Helicity amplitudes are presented separately to demonstrate the sources of new physics contributions and the impact of QCD and electroweak corrections. The QCD corrections have important effects on the fits to anomalous couplings, in particular when one W boson is longitudinally polarized and the other is transversely polarized. In effective field theory language, we demonstrate that the dimension-6 approximation to constraining new physics effects in W⁺W^- pair production fails at p_T ~ 500 - 1000 GeV.

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Research Organization:: Univ. of Tubingen (Germany); Univ. of Kansas, Lawrence, KS (United States); Brookhaven National Laboratory (BNL), Upton, NY (United States)

Sponsoring Organization:: USDOE; Univ. of Kansas (United States); German Research Foundation (DFG); State of Baden-Wurttemberg (Germany)

Grant/Contract Number:: SC0012704; 2302091; JA 1954/1; INST 39/963-1 FUGG

OSTI ID:: 1392259

Alternate ID(s):: OSTI ID: 1396314

Report Number(s):: BNL-114308-2017-JA; KA2401012

Journal Information:: Physical Review D, Vol. 96, Issue 7; ISSN 2470-0010

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 66 works

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