Weak Gauge Boson Radiation in Parton Showers

Abstract

The emission of W and Z gauge boson 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.

35 pages, 16 figures

References in corpus (7)

• PYTHIA 6.4 Physics and Manual
• Matching NLO QCD computations with Parton Shower simulations: the POWHEG method
• Interleaved Parton Showers and Tuning Prospects
• Discerning Secluded Sector gauge structures
• Weak corrections to four-parton processes
• Electroweak Sudakov Logarithms and Real Gauge-Boson Radiation in the TeV Region
• Measurement of the ratios of the Z/G* + >= n jet production cross sections to the total inclusive Z/G* cross section in ppbar collisions at sqrt(s) = 1.96 TeV

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