340 citations · 2.1k across the 31 of their papers we have counts for
24 papers · 1 filter
Master Integrals for Four-Loop Massless Form Factors
Roman N. Lee, Andreas von Manteuffel, Robert M. Schabinger +3
We present analytical results for all master integrals for massless three-point functions, with one off-shell leg, at four loops. Our solutions were obtained using differential equ…
The vertex at four loops and hard matching coefficients in SCET for various currents
Amlan Chakraborty, Tobias Huber, Roman N. Lee +5
We compute the four-loop corrections to the Higgs-bottom vertex within massless QCD and present analytic results for all color structures. The infrared poles of the renormalized fo…
Quark and gluon form factors in four-loop QCD
Roman N. Lee, Andreas von Manteuffel, Robert M. Schabinger +3
We compute the photon-quark and Higgs-gluon form factors to four-loop order within massless perturbative Quantum Chromodynamics. Our results constitute ready-to-use building blocks…
Fermionic corrections to quark and gluon form factors in four-loop QCD
Roman N. Lee, Andreas von Manteuffel, Robert M. Schabinger +3
We analytically compute all four-loop QCD corrections to the photon-quark and Higgs-gluon form factors involving a closed massless fermion loop. Our calculation of non-planar verte…
Four-loop collinear anomalous dimensions in QCD and super Yang-Mills
Bakul Agarwal, Andreas von Manteuffel, Erik Panzer +1
We calculate the collinear anomalous dimensions in massless four-loop QCD and supersymmetric Yang-Mills theory from the infrared poles of vertex form factors. We…
Mixed EW-QCD two-loop amplitudes for and scheme independence of multi-loop corrections
Matthias Heller, Andreas von Manteuffel, Robert M. Schabinger +1
We perform a dedicated study of the -initiated two-loop electroweak-QCD Drell-Yan scattering amplitude in dimensional regularization schemes for vanishing light quark an…
Cusp and collinear anomalous dimensions in four-loop QCD from form factors
Andreas von Manteuffel, Erik Panzer, Robert M. Schabinger
We calculate the complete quark and gluon cusp anomalous dimensions in four-loop massless QCD analytically from first principles. In addition, we determine the complete matter depe…
Mixed QCD-EW two-loop corrections to Drell-Yan production
Matthias Heller, Andreas von Manteuffel, Robert M. Schabinger +1
The Drell-Yan production of charged lepton pairs is one of the key processes measured at hadron colliders. The QCD corrections to the cross section are known to order and e…
Planar master integrals for four-loop form factors
Andreas von Manteuffel, Robert M. Schabinger
We present the complete set of planar master integrals relevant to the calculation of three-point functions in four-loop massless Quantum Chromodynamics. Employing direct parametri…
Quark and gluon form factors in four loop QCD: the and contributions
Andreas von Manteuffel, Robert M. Schabinger
We calculate the four-loop massless QCD corrections with two closed quark lines to quark and gluon form factors. The results for the gluon form factor and the singlet part of the q…
Baikov-Lee Representations Of Cut Feynman Integrals
Mark Harley, Francesco Moriello, Robert M. Schabinger
We develop a general framework for the evaluation of -dimensional cut Feynman integrals based on the Baikov-Lee representation of purely-virtual Feynman integrals. We implement…
Numerical Multi-Loop Calculations via Finite Integrals and One-Mass EW-QCD Drell-Yan Master Integrals
Andreas von Manteuffel, Robert M. Schabinger
We study a recently-proposed approach to the numerical evaluation of multi-loop Feynman integrals using available sector decomposition programs. As our main example, we consider th…
Quark and gluon form factors to four loop order in QCD: the contributions
Andreas von Manteuffel, Robert M. Schabinger
We calculate the four-loop massless QCD corrections with three closed quark lines to quark and gluon form factors. We apply a novel integration by parts algorithm based on modular…
On the Computation of Form Factors in Massless QCD with Finite Master Integrals
Andreas von Manteuffel, Erik Panzer, Robert M. Schabinger
We present the bare one-, two-, and three-loop form factors in massless Quantum Chromodynamics as linear combinations of finite master integrals. Using symbolic integration, we com…
Soft-virtual corrections to Higgs production at NLO
Ye Li, Andreas von Manteuffel, Robert M. Schabinger +1
In this paper, we compute the soft-virtual corrections to Higgs boson production in gluon fusion for infinite top quark mass at next-to-next-to-next-to-leading order in QCD. In add…
A quasi-finite basis for multi-loop Feynman integrals
Andreas von Manteuffel, Erik Panzer, Robert M. Schabinger
We present a new method for the decomposition of multi-loop Euclidean Feynman integrals into quasi-finite Feynman integrals. These are defined in shifted dimensions with higher pow…
The two-loop soft function for heavy quark pair production at future linear colliders
Andreas von Manteuffel, Robert M. Schabinger, Hua Xing Zhu
We report on the calculation of the threshold soft function for heavy quark pair production in e+ e- annihilation at two-loop order. Our main result is a generalization of the fami…
A novel approach to integration by parts reduction
Andreas von Manteuffel, Robert M. Schabinger
Integration by parts reduction is a standard component of most modern multi-loop calculations in quantum field theory. We present a novel strategy constructed to overcome the limit…
NLO Higgs and Drell-Yan production at threshold: the one-loop two-emission contribution
Ye Li, Andreas von Manteuffel, Robert M. Schabinger +1
In this paper, we study phenomenologically interesting soft radiation distributions in massless QCD. Specifically, we consider the emission of two soft partons off of a pair of lig…
The Complete Two-Loop Integrated Jet Thrust Distribution In Soft-Collinear Effective Theory
Andreas von Manteuffel, Robert M. Schabinger, Hua Xing Zhu
In this work, we complete the calculation of the soft part of the two-loop integrated jet thrust distribution in e+e- annihilation. This jet mass observable is based on the thrust…
Jet mass with a jet veto at two loops and the universality of non-global structure
Randall Kelley, Matthew D. Schwartz, Robert M. Schabinger +1
We investigate the exclusive jet mass distribution in e+e- events, defined with a veto on the out-of-jet radiation, at two-loop order. In particular, we calculate the two-loop soft…
A New Algorithm For The Generation Of Unitarity-Compatible Integration By Parts Relations
Robert M. Schabinger
Many multi-loop calculations make use of integration by parts relations to reduce the large number of complicated Feynman integrals that arise in such calculations to a simpler bas…
The two-loop hemisphere soft function
Randall Kelley, Robert M. Schabinger, Matthew D. Schwartz +1
The hemisphere soft function is calculated to order alpha_s^2. This is the first multi-scale soft function calculated to two loops. The renormalization scale dependence of the resu…
A Minimal Spontaneously Broken Hidden Sector and its Impact on Higgs Boson Physics at the Large Hadron Collider
Robert Schabinger, James D. Wells
Little experimental data bears on the question of whether there is a spontaneously broken hidden sector that has no Standard Model quantum numbers. Here we discuss the prospects of…