activity
20232026
most citedTidal Disruption Events and Dark Matter Scatterings with Neutrinos and Photons

13 citations · 27 across the 15 of their papers we have counts for

collaborators

17 papers

hep-ph2026

Simulation-Informed High-Velocity Dark Matter in the Effective Theory of Direct Detection

Xiuyuan Zhang, Gonzalo Herrera, Andreas Thoyas +1

The interpretation and reach of direct detection (DD) experiments depend sensitively on the local dark matter (DM) velocity distribution, particularly its high-velocity tail. This…

astro-ph.GA2026

Population search for dark matter spikes in megamaser rotation curves

Gonzalo Herrera

A black hole growing adiabatically inside a dark matter halo is expected to develop a dense spike, with a power-law slope between 1.5 and 2.5, depending on redshift and baryonic ac…

astro-ph.GA2026

Baryon-Accelerated Core Collapse in SIDM Halos and its Imprint on Galactic Disks

Zeineb Mezghanni, Elliot Y. Davies, Adriana Dropulic +3

The gravitational coupling between dark matter (DM) halos and the baryonic structures they host is one of the most powerful windows into the particle nature of DM. Self-interacting…

hep-ph2026

Dark Photons from Perturbative Decay of a Misaligned Higgs Field

James M. Cline, Gonzalo Herrera, Jean-Samuel Roux

We reconsider the production of dark photons as dark matter, from the perturbative decay of a dark Higgs field , that is stochastically misaligned from the minimum of its p…

hep-ph2026

Scale-Invariant Open Quantum Systems

Carlos Argüelles, Gabriela Barenboim, Gonzalo Herrera +2

We develop a complete theoretical framework for open quantum systems coupled to scale-invariant environments. We show that such environments are universally described by unparticle…

astro-ph.CO2026

Formation and Redshift Evolution of Dark Matter Spikes

Gonzalo Herrera, Abdelaziz Hussein, Lina Necib +2

Dark matter density spikes forming around adiabatically growing black holes can dramatically enhance indirect and direct detection signals. Canonical predictions, however, assume a…

hep-ph2026

Neutrinos as Dark Matter

James M. Cline, Gonzalo Herrera, Jean-Samuel Roux

Active neutrinos in standard cosmology were ruled out as a dark matter candidate in the 1980's. The reason is twofold: they are too light to account for the observed energy density…

hep-ph2025

Dark Matter-Electron Interactions Alter the Luminosity and Spectral Index of M87

Abdelaziz Hussein, Gonzalo Herrera

We investigate the possibility that cosmic-ray electron cooling through dark matter-electron scatterings contributes to the low radiative efficiency observed in radio-loud galaxies…

hep-ph2025

High-Energy Neutrinos from Cosmic-Ray Scatterings with Supernova Neutrinos

Gonzalo Herrera, Shunsaku Horiuchi

Cosmic rays scattering with neutrinos produced in supernovae induce a flux of supernova neutrinos boosted to high energies. We calculate the neutrino flux arising from this new mec…

astro-ph.GA2025★ 1 cited

Novel method to trace the dark matter density profile around supermassive black holes with AGN reverberation mapping

Mayank Sharma, Gonzalo Herrera, Nahum Arav +1

We propose a new method to determine the dark matter density profile in the vicinity of distant supermassive black holes (SMBH) using reverberation mapping (RM) measurements of act…

hep-ph2025★ 2 cited

The Highest-Energy Neutrino Event Constrains Dark Matter-Neutrino Interactions

Toni Bertólez-Martínez, Gonzalo Herrera, Pablo Martínez-Miravé +1

Dark Matter-neutrino interactions affect the propagation of astrophysical neutrinos, attenuating the flux of neutrinos arriving at Earth. Using the highest-energy neutrino event de…

hep-ph2025★ 2 cited

The Dark Matter Diffused Supernova Neutrino Background

Garv Chauhan, R. Andrew Gustafson, Gonzalo Herrera +2

We consider neutrinos scattering off Milky Way dark matter and the impact of this scattering on supernovae neutrinos. This can take the form of attenuation on the initial flux of n…

hep-ph2025★ 1 cited

Plausible Indication of Gamma-Ray Absorption by Dark Matter in NGC 1068

Gonzalo Herrera

NGC 1068 is the brightest extragalactic source in high-energy neutrinos as seen by IceCube, yet the accompanying gamma-ray flux is orders of magnitude weaker. It has been argued th…

hep-ph2024★ 2 cited

Neutrino Diffusion within Dark Matter Spikes

Motoko Fujiwara, Gonzalo Herrera, Shunsaku Horiuchi

Multi-messenger observations of astrophysical transients provide powerful probes of the underlying physics of the source as well as beyond the Standard Model effects. We explore tr…

hep-ph2024★ 1 cited

Plausible constraints and inflationary production for dark photons

James M. Cline, Gonzalo Herrera

Generic constraints on dark photons are generally presented assuming they have Stueckelberg masses. These constraints are strengthened if instead the mass is due to the Higgs mecha…

hep-ph2024★ 5 cited

Cosmic-Ray Cooling in Active Galactic Nuclei as a New Probe of Inelastic Dark Matter

R. Andrew Gustafson, Gonzalo Herrera, Mainak Mukhopadhyay +2

We present a novel way to probe inelastic dark matter using cosmic-ray (CR) cooling in active galactic nuclei (AGNs). Dark matter (DM) in the vicinity of supermassive black holes m…

hep-ph2023★ 13 cited

Tidal Disruption Events and Dark Matter Scatterings with Neutrinos and Photons

Motoko Fujiwara, Gonzalo Herrera

Stars can be tidally disrupted when passing near a black hole, and the debris can induce a flux of high-energy neutrinos. It has been discussed that there are hints in IceCube data…