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

Abstract

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.

Authors:
 [1];  [2];  [3]
  1. Univ. of Tubingen (Germany)
  2. Brookhaven National Lab. (BNL), Upton, NY (United States)
  3. Univ. of Kansas, Lawrence, KS (United States)
Publication Date:
Research Org.:
Univ. of Tubingen (Germany); Univ. of Kansas, Lawrence, KS (United States); Brookhaven National Lab. (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE; Univ. of Kansas (United States); German Research Foundation (DFG); State of Baden-Wurttemberg (Germany)
OSTI Identifier:
1392259
Alternate Identifier(s):
OSTI ID: 1396314
Report Number(s):
BNL-114308-2017-JA
Journal ID: ISSN 2470-0010; KA2401012
Grant/Contract Number:  
SC0012704; 2302091; JA 1954/1; INST 39/963-1 FUGG
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review D
Additional Journal Information:
Journal Volume: 96; Journal Issue: 7; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Baglio, Julien, Dawson, Sally, and Lewis, Ian M. NLO QCD effective field theory analysis of W+W- production at the LHC including fermionic operators. United States: N. p., 2017. Web. doi:10.1103/PhysRevD.96.073003.
Baglio, Julien, Dawson, Sally, & Lewis, Ian M. NLO QCD effective field theory analysis of W+W- production at the LHC including fermionic operators. United States. doi:10.1103/PhysRevD.96.073003.
Baglio, Julien, Dawson, Sally, and Lewis, Ian M. Tue . "NLO QCD effective field theory analysis of W+W- production at the LHC including fermionic operators". United States. doi:10.1103/PhysRevD.96.073003. https://www.osti.gov/servlets/purl/1392259.
@article{osti_1392259,
title = {NLO QCD effective field theory analysis of W+W- production at the LHC including fermionic operators},
author = {Baglio, Julien and Dawson, Sally and Lewis, Ian M.},
abstractNote = {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 pT ~ 500 - 1000 GeV.},
doi = {10.1103/PhysRevD.96.073003},
journal = {Physical Review D},
number = 7,
volume = 96,
place = {United States},
year = {2017},
month = {10}
}

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Cited by: 30 works
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    Works referencing / citing this record:

    The Global Higgs Picture at 27 TeV
    journal, January 2019


    The Global Higgs Picture at 27 TeV
    journal, January 2019