We introduce a framework, based on an effective field theory approach, that allows one to perform characterisation studies of the boson recently discovered at the LHC, for all the relevant channels and in a consistent, systematic and accurate way. The production and decay of such a boson with various spin and parity assignments can be simulated by means of multi-parton, tree-level matrix elements and of next-to-leading order QCD calculations, both matched with parton showers. Several sample applications are presented which show, in particular, that beyond-leading-order effects in QCD have nontrivial phenomenological implications.

A framework for Higgs characterisation

Maltoni, F.
;
2013

Abstract

We introduce a framework, based on an effective field theory approach, that allows one to perform characterisation studies of the boson recently discovered at the LHC, for all the relevant channels and in a consistent, systematic and accurate way. The production and decay of such a boson with various spin and parity assignments can be simulated by means of multi-parton, tree-level matrix elements and of next-to-leading order QCD calculations, both matched with parton showers. Several sample applications are presented which show, in particular, that beyond-leading-order effects in QCD have nontrivial phenomenological implications.
2013
Artoisenet, P.; De Aquino, P.; Demartin, F.; Frederix, R.; Frixione, S.; Maltoni, F.; Mandal, M.K.; Mathews, P.; Mawatari, K.; Ravindran, V.; Seth, S.; Torrielli, P.; Zaroi, M.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/659628
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