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Top-quark processes at NLO in production and decay (2014)
Journal Article
Campbell, J. M., & Ellis, R. K. (2014). Top-quark processes at NLO in production and decay. Journal of Physics G: Nuclear and Particle Physics, 42(1), Article 015005. https://doi.org/10.1088/0954-3899/42/1/015005

We describe the implementation of top production and decay processes in the parton-level Monte Carlo program MCFM. By treating the top quark as being on-shell, we can factorize the amplitudes for top-pair production, s-channel single-top production,... Read More about Top-quark processes at NLO in production and decay.

Interference effects for Higgs boson mediatedZ-pair plus jet production (2014)
Journal Article
Campbell, J. M., Ellis, R. K., Furlan, E., & Röntsch, R. (2014). Interference effects for Higgs boson mediatedZ-pair plus jet production. Physical Review D, 90(9), Article 093008. https://doi.org/10.1103/physrevd.90.093008

We study interference effects in the production channel Z Z + jet , in particular focusing on the role of the Higgs boson. This production channel receives contributions both from Higgs boson mediated diagrams via the decay H → Z Z (signal diagrams),... Read More about Interference effects for Higgs boson mediatedZ-pair plus jet production.

Bounding the Higgs width at the LHC using full analytic results for gg−>e−e+μ−μ+ (2014)
Journal Article
Campbell, J. M., Ellis, R. K., & Williams, C. (2014). Bounding the Higgs width at the LHC using full analytic results for gg−>e−e+μ−μ+. Journal of High Energy Physics, 2014(04), Article 060. https://doi.org/10.1007/jhep04%282014%29060

We revisit the hadronic production of the four-lepton final state, e − e + μ − μ + , through the fusion of initial state gluons. This process is mediated by loops of quarks and we provide first full analytic results for helicity amplitudes that accou... Read More about Bounding the Higgs width at the LHC using full analytic results for gg−>e−e+μ−μ+.