Four-Quark Effective Operators at Hadron Colliders

27 Aug 2015, 14:30
15m
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Alternative Theories Alternative Theories

Speaker

Maikel de Vries (Mainz University)

Description

The robustness of translating effective operator constraints to BSM theories crucially depends on the mass and coupling of BSM particles. This is especially relevant for hadron colliders where the partonic centre of mass energy is around the typical energy scales of natural BSM theories. The caveats in applying the limits are discussed using Z' and G' models, illustrating the effects for a large class of models, including composite Higgs and several dark matter mediator models. This analysis shows that the applicability of effective operators mainly depends on the ratio of the transfer energy in the events and the mass scale of the full theory. Moreover, based on these results a method is developed to recast existing experimental limits on four-quark effective operators to the full theory parameter space.

Primary author

Maikel de Vries (Mainz University)

Presentation Materials