Anomalous coupling, top-mass and parton-shower effects in ${W^+W^-}$ production - INSPIRE

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Anomalous coupling, top-mass and parton-shower effects in ${W^+W^-}$ production

Johannes Bellm
(
- Durham U., IPPP
)
,
Stefan Gieseke
(
- Karlsruhe U., ITP
)
,
Nicolas Greiner
(
- Zurich U.
)
,
Gudrun Heinrich
(
- Munich, Max Planck Inst.
)
,
Simon Plätzer
(
- Durham U., IPPP and
- Manchester U.
)

Feb 16, 2016

24 pages

Published in:

JHEP 05 (2016) 106

Published: May 17, 2016

e-Print:

1602.05141 [hep-ph]

DOI:

10.1007/JHEP05(2016)106

Report number:

MPP-2016-14,
KA-TP-06-2016,
HERWIG-2016-02,
IPPP-16-11,
MAN-HEP-2016-04,
ZU-TH-5-16,
MCnet-16-07

Experiments:

Herwig

View in:

ADS Abstract Service

reference search18 citations

Citations per year

Abstract: (Springer)

We calculate the process

pp\to {W}^{+}{W}^{-}\to {e}^{+}{\nu}_e{\mu}^{-}{\overline{\nu}}_{\mu }

at NLO QCD, including also effective field theory (EFT) operators mediating the ggW

^{+}

W

^{−}

interaction, which first occur at dimension eight. We further combine the NLO and EFT matrix elements produced by GoSam with the Herwig7/Matchbox framework, which offers the possibility to study the impact of a parton shower. We assess the effects of the anomalous couplings by comparing them to top-mass effects as well as uncertainties related to variations of the renormalisation, factorisation and hard shower scales.

Note:

24 pages, 16 figures

QCD
Vector Bosons
NLO Calculations
Parton Shower
Effective Field Theory
LHC
NLO Computations
QCD Phenomenology
coupling: anomaly
top: mass

References(82)

Figures(18)

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