Analytic results for the one-loop NMHV H¯qqgg amplitude

Badger, S., Campbell, J., Ellis, R.K. and Williams, C. (2009) Analytic results for the one-loop NMHV H¯qqgg amplitude. Journal of High Energy Physics, 2009(12), 035-035. (doi: 10.1088/1126-6708/2009/12/035)

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We compute the one-loop amplitude for a Higgs boson, a quark-antiquark pair and a pair of gluons of negative helicity, i.e. for the next-to-maximally helicity violating (NMHV) case, A(H, q--, q+, g-, g-). The calculation is performed using an effective Lagrangian which is valid in the limit of very large top quark mass. As a result of this paper all amplitudes for the transition of a Higgs boson into 4 partons are now known analytically at one-loop order.

Item Type:Articles
Glasgow Author(s) Enlighten ID:Campbell, Dr John
Authors: Badger, S., Campbell, J., Ellis, R.K., and Williams, C.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Journal of High Energy Physics

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Project CodeAward NoProject NamePrincipal InvestigatorFunder's NameFunder RefLead Dept
481951Investigations in Quantum Chromodynamics and Physics Beyond the Standard ModelChristine DaviesScience & Technologies Facilities Council (STFC)ST/G00059X/1Physics and Astronomy