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 pT ~ 500 - 1000 GeV.
- Authors:
-
- Univ. of Tubingen (Germany)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Univ. of Kansas, Lawrence, KS (United States)
- Publication Date:
- Research Org.:
- Univ. of Tubingen (Germany); Univ. of Kansas, Lawrence, KS (United States); Brookhaven National Laboratory (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. https://doi.org/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. https://doi.org/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 = {Tue Oct 03 00:00:00 EDT 2017},
month = {Tue Oct 03 00:00:00 EDT 2017}
}
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Works referencing / citing this record:
QCD corrections in Standard Model EFT fits to and production
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Prospects for precision measurement of diboson processes in the semileptonic decay channel in future LHC runs
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