19 citations · 51 across the 7 of their papers we have counts for
7 papers
On the gauge-invariance of SCET beyond leading power
Philipp Böer, Patrick Hager
We point out that the gauge-invariance of the subleading Lagrangian of soft-collinear effective theory is realised in an intricate way through momentum-conservation violating contr…
Soft-collinear gravity with fermionic matter
Martin Beneke, Patrick Hager, Dominik Schwienbacher
We extend the effective field theory for soft and collinear gravitons to interactions with fermionic matter fields. The full theory features a local Lorentz symmetry in addition to…
Soft-Collinear Gravity and Soft Theorems
Martin Beneke, Patrick Hager, Robert Szafron
This chapter reviews the construction of ``soft-collinear gravity'', the effective field theory which describes the interaction of collinear and soft gravitons with matter (and the…
Soft-collinear gravity beyond the leading power
Martin Beneke, Patrick Hager, Robert Szafron
We construct "soft-collinear gravity", the effective field theory which describes the interaction of collinear and soft gravitons with matter (and themselves), to all orders in the…
Gravitational soft theorem from emergent soft gauge symmetries
Martin Beneke, Patrick Hager, Robert Szafron
We consider and derive the gravitational soft theorem up to the sub-subleading power from the perspective of effective Lagrangians. The emergent soft gauge symmetries of the effect…
Small-scale Cosmic Signatures of Feebly Interacting Massive Particles
Patrick Hager, Alexis Kassiteridis
Feebly Interacting Massive Particles (FIMPs), if they exist, should be notoriously difficult to detect even indirectly. In order to constrain them, we derive bounds for feeble theo…
Unitarity in the Schroedinger Formalism of QFT in Curved Space-Time
Patrick Hager, Maximilian Urban
We review the general quantization of scalar fields in curved space-times in the Schroedinger formalism and discuss the determination of the ground-state. By explicitly computing t…