Weak gauge boson radiation in parton showers

Jesper Roy Christiansen; Torbjörn Sjöstrand

doi:10.1007/JHEP04(2014)115

Weak gauge boson radiation in parton showers

Jesper Roy Christiansen, Torbjörn Sjöstrand

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Abstract

The emission of W and Z gauge bosons off quarks is included in a traditional QCD + QED shower. The unitarity of the shower algorithm links the real radiation of the weak gauge bosons to the negative weak virtual corrections. The shower evolution process leads to a competition between QCD, QED and weak radiation, and allows for W and Z boson production inside jets. Various effects on LHC physics are studied, both at low and high transverse momenta, and effects at higher-energy hadron colliders are outlined.

Original language	English
Pages (from-to)	115-37
Journal	Journal of High Energy Physics
Volume	04, 115
Issue number	4
DOIs	https://doi.org/10.1007/JHEP04(2014)115
Publication status	Published - 2014

Subject classification (UKÄ)

Subatomic Physics

Free keywords

Monte Carlo Simulations
Hadronic Colliders

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10.1007/JHEP04(2014)115

1401.5238

Cite this

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title = "Weak gauge boson radiation in parton showers",

abstract = "The emission of W and Z gauge bosons off quarks is included in a traditional QCD + QED shower. The unitarity of the shower algorithm links the real radiation of the weak gauge bosons to the negative weak virtual corrections. The shower evolution process leads to a competition between QCD, QED and weak radiation, and allows for W and Z boson production inside jets. Various effects on LHC physics are studied, both at low and high transverse momenta, and effects at higher-energy hadron colliders are outlined.",

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AB - The emission of W and Z gauge bosons off quarks is included in a traditional QCD + QED shower. The unitarity of the shower algorithm links the real radiation of the weak gauge bosons to the negative weak virtual corrections. The shower evolution process leads to a competition between QCD, QED and weak radiation, and allows for W and Z boson production inside jets. Various effects on LHC physics are studied, both at low and high transverse momenta, and effects at higher-energy hadron colliders are outlined.

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KW - Hadronic Colliders

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DO - 10.1007/JHEP04(2014)115

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JF - Journal of High Energy Physics

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Weak gauge boson radiation in parton showers

Abstract

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