The Effective Field Theory (EFT) Lagrangian for a generic axion-like particle (ALP) has many free parameters, and leaves quite some freedom the expected phenomenology. In this work, we set up more constrained EFTs by enforcing true properties ALP. Indeed, though Peccei-Quinn symmetry of QCD axion is anomalous, it so in specific ways, shows as consistency conditions between gauge boson fermion c...

The description of strong interaction physics low-lying resonances is out the valid range perturbative QCD. Chiral effective field theories (EFTs) have been developed to tackle issue. Partial wave dynamics systematic tool decode underlying and reveal properties those resonances. It extremely powerful helpful for our understanding non-perturbative regime, especially when dispersion techniques ar...

We derive the scale of unitarity violation from geometry Effective Field Theory (EFT) extensions Standard Model Higgs sector. The high-energy behavior amplitudes with more than four scalar legs depends on derivatives geometric invariants respect to physical field $h$, such that higher-point begin reconstruct manifold away our vacuum. In theories whose low-energy limit can be described by EFT (H...

Celestial holography promisingly reformulates the scattering amplitude holographically in terms of celestial conformal field theory living at null infinity. Recently, an infinite-dimensional symmetry algebra was discovered Einstein-Yang-Mills theory. The starting point derivation is OPE two soft currents, and key ingredient summation $\overline{SL(2,\mathbb R)}$ descendants OPE. In this paper, ...

Effective field theories (EFTs) require regularization and renormalization to gain predictive power. While is inconsequential from the point of view observable predictions EFT—in a renormalized theory are regulator-independent once cutoff removed—the particular details regulator dependence might provide interesting insights into inner workings an EFT. In fact, analysis has been frequently sugge...

We find the complete set of conditions satisfied by forward $2\to2$ scattering amplitude in unitarity and causal theories. These are based on an infinite energy dependent quantities -- arcs which dispersively expressed as moments a positive measure defined at (arbitrarily) higher energies. identify optimal finite subsets constraints, suitable to bound Effective Field Theories (EFTs), any order ...

A bstract In this paper, we discuss the construction of Effective Field Theories (EFTs) in which a chiral fermion, charged under both gauge and global symmetries, is integrated out. Inspired by typical axion models, these symmetries can be spontaneously broken, ones might also anomalous. context, particular emphasis laid on derivative couplings Goldstone bosons to fermions, as lead severe diver...

The invasive insect pest Adelges tsugae (Hemlock Woolly Adelgid) threatens the ecologically unique Tsuga canadensis (Eastern Hemlock)-dominated forest type throughout its range. Relatively little is known about how the loss of this forest type will affect the relative abundance of amphibians. This study assessed the relative abundance of the juvenile phase of Notophthalmus viridescens viridesce...