117 citations · 1.1k across the 38 of their papers we have counts for
41 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 je…
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 Effective…
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 short-d…
Two-loop bottom mass effects on the Higgs transverse momentum spectrum in top-induced gluon fusion
Piotr Pietrulewicz, Maximilian Stahlhofen
We compute bottom mass () corrections to the transverse momentum () spectrum of Higgs bosons produced by gluon fusion in the regime at leading powe…
Integrating out heavy fields in the path integral using the background-field method: general formalism
Stefan Dittmaier, Sebastian Schuhmacher, Maximilian Stahlhofen
Building on an older method used to derive non-decoupling effects of a heavy Higgs boson in the Standard Model, we describe a general procedure to integrate out heavy fields in the…
Three-loop soft function for energetic electroweak boson production at hadron colliders
Ze Long Liu, Maximilian Stahlhofen
We calculate the three-loop soft function for the production of an electroweak boson (Higgs, , , ) with large transverse momentum at a hadron collider. It is the first…
The Fully-Differential Gluon Beam Function at NNLO
Jonathan R. Gaunt, Maximilian Stahlhofen
The fully-differential beam function (dBF) is a universal ingredient in resummed predictions of hadron collider observables that probe the full kinematics of the incoming parton fr…
Three-loop soft function for heavy-to-light quark decays
Robin Brüser, Ze Long Liu, Maximilian Stahlhofen
We compute the 1-jettiness soft function for the decay of a heavy quark into a light quark jet plus colorless particles at three-loop order in soft-collinear effective theory. The…
Two-Loop Massive Quark Jet Functions in SCET
André H. Hoang, Christopher Lepenik, Maximilian Stahlhofen
We calculate the corrections to the primary massive quark jet functions in Soft-Collinear Effective Theory (SCET). They are an important ingredient in factorize…
Matter dependence of the four-loop QCD cusp anomalous dimension: from small angles to all angles
Robin Brüser, Andrey Grozin, Johannes M. Henn +1
We compute the fermionic contributions to the cusp anomalous dimension in QCD at four loops as an expansion for small cusp angle. As a byproduct we also obtain the respective terms…
Matter dependence of the four-loop cusp anomalous dimension
Johannes M. Henn, Tiziano Peraro, Maximilian Stahlhofen +1
We compute analytically the matter-dependent contributions to the quartic Casimir term of the four-loop light-like cusp anomalous dimension in QCD, with fermion and sca…
Exclusive Top Threshold Matching at Lepton Colliders
Jürgen Reuter, Bijan Chokoufé Nejad, Andre Hoang +4
The threshold scan at future lepton colliders is the most precise known method to determine the top quark mass (well below 100 MeV), a fundamental parameter of the Standard Model t…
The Three-loop Quark Jet Function
Robin Brüser, Ze Long Liu, Maximilian Stahlhofen
We calculate the massless quark jet function to three-loop order. The quark jet function is a universal ingredient in SCET factorization for many collider and decay processes with…
Exclusive top production at a Linear Collider at and off the threshold
Jürgen Reuter, Fabian Bach, Bijan Chokoufé Nejad +7
We review exclusive top pair production including decays at a future high-energy lepton collider, both in the threshold region and for higher energies. For the continuum process, w…
Fully-differential Top-Pair Production at a Lepton Collider: From Threshold to Continuum
Fabian Bach, Bijan Chokoufé Nejad, Andre Hoang +5
We present an approach to predict exclusive production at lepton colliders that correctly describes the top-anti-top threshold as well as the continuum region. We…
On the Casimir scaling violation in the cusp anomalous dimension at small angle
Andrey Grozin, Johannes Henn, Maximilian Stahlhofen
We compute the four-loop contribution proportional to the quartic Casimir of the QCD cusp anomalous dimension as an expansion for small cusp angle . This piece is gauge in…
Relativistic corrections to the static energy in terms of Wilson loops at weak coupling
Clara Peset, Antonio Pineda, Maximilian Stahlhofen
We consider the and the spin-independent momentum-dependent quasi-static energies of heavy quarkonium (with unequal masses). They are defi…
Two-Loop Beam and Soft Functions for Rapidity-Dependent Jet Vetoes
Shireen Gangal, Jonathan R. Gaunt, Maximilian Stahlhofen +1
Jet vetoes play an important role in many analyses at the LHC. Traditionally, jet vetoes have been imposed using a restriction on the transverse momentum of jets. Alternat…
Top Physics in WHIZARD
J. Reuter, F. Bach, B. Chokoufe +5
In this talk we summarize the top physics setup in the event generator WHIZARD with a main focus on lepton colliders. This includes full six-, eight- and ten-fermion processes, fac…
Automation of NLO processes and decays and POWHEG matching in WHIZARD
J. Reuter, B. Chokoufe, A. Hoang +4
We give a status report on the automation of next-to-leading order processes within the Monte Carlo event generator WHIZARD, using GoSam and OpenLoops as provider for one-loop matr…
Rapidity renormalized TMD soft and beam functions at two loops
Thomas Luebbert, Joel Oredsson, Maximilian Stahlhofen
We compute the transverse momentum dependent (TMD) soft function for the production of a color-neutral final state at the LHC within the rapidity renormalization group (RRG) framew…