Electroweak corrections to $pp \to \mu^+\mu^-e^+e^- + X$ at the LHC: a Higgs background study - INSPIRE

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Electroweak corrections to $pp \to \mu^+\mu^-e^+e^- + X$ at the LHC: a Higgs background study

B. Biedermann
(
- Wurzburg U.
)
,
A. Denner
(
- Wurzburg U.
)
,
S. Dittmaier
(
- Freiburg U.
)
,
L. Hofer
(
- Barcelona U., ECM and
- ICC, Barcelona U.
)
,
B. Jäger
(
- Tubingen U.
)

Jan 28, 2016

5 pages

Published in:

Phys.Rev.Lett. 116 (2016) 16, 161803

Published: Apr 21, 2016

e-Print:

1601.07787 [hep-ph]

DOI:

10.1103/PhysRevLett.116.161803

Report number:

FR-PHENO-2016-002,
ICCUB-16-003

View in:

ADS Abstract Service

reference search115 citations

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Abstract: (APS)

The first complete calculation of the next-to-leading-order electroweak corrections to four-lepton production at the LHC is presented, where all off-shell effects of intermediate Z bosons and photons are taken into account. Focusing on the mixed final state μ+μ-e+e-, we study differential cross sections that are particularly interesting for Higgs boson analyses. The electroweak corrections are divided into photonic and purely weak corrections. The former exhibit patterns familiar from similar W- or Z-boson production processes with very large radiative tails near resonances and kinematical shoulders. The weak corrections are of the generic size of 5% and show interesting variations, in particular, a sign change between the regions of resonant Z-pair production and the Higgs signal.

Note:

5 pages, latex, 3 figures

CERN LHC Coll
p p: scattering
Z0: pair production
lepton: multiple production
muon: pair production
muon: final state
electron: pair production
electron: final state
electroweak interaction: correction
correction: higher-order

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Figures(0)

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