6 papers
Effective Lagrangians from functional matching
Stefan Dittmaier, Sebastian Schuhmacher, Maximilian Stahlhofen
We briefly review a variant of functional matching to derive an Effective Field Theory (EFT) for heavy particles at the one-loop level in the top-down approach. The method integrat…
Integrating out a heavy Higgs singlet: on the edge between SMEFT and HEFT
Stefan Dittmaier, Sebastian Schuhmacher, Maximilian Stahlhofen
We use a functional approach based on the background-field formalism and the expansion by regions to integrate out the heavy Higgs field (associated with the mass eigenstate H) at…
Three-loop jet function for boosted top quarks
Alberto M. Clavero, Vicent Mateu, Maximilian Stahlhofen
We present the calculation of the inclusive jet function for highly energetic heavy quarks at order using boosted Heavy-Quark Effective Theory (bHQET). This j…
NNLO electron structure functions (PDFs) from SCET
Maximilian Stahlhofen
We calculate the electron structure functions, aka parton distribution functions (PDFs), to NNLO in QED. The calculation is based on the definition of the PDFs in terms of operator…
Three-loop jet function for boosted heavy quarks
Alberto M. Clavero, Robin Brüser, Vicent Mateu +1
We compute the inclusive jet function for boosted heavy quarks to . The jet function is defined and calculated in the framework of boosted Heavy-Quark Effectiv…
Three-Loop OPE Wilson Coefficients of Dimension-Four Operators for (Axial-)Vector and (Pseudo-)Scalar Current Correlators
Robin Brüser, André H. Hoang, Maximilian Stahlhofen
We calculate the three-loop Wilson coefficients of all physically relevant dimension-four operators, i.e. , and , in the sho…