135 citations · 446 across the 47 of their papers we have counts for
55 papers
Probing the Fundamental Nature of Particle Dark Matter
Marco Regis, Aritra Basu, Geoff Beck +7
Understanding the fundamental nature of dark matter (DM) is one of the most significant scientific challenges of our time. A compelling hypothesis is that DM consists of a new, yet…
For modified gravity, it's the LITTLE THINGS that matter
Geoff Beck
Dwarf galaxies have long been recognised as important testing grounds for models of dark matter. For instance, it is here where the cusp-core problem is most apparent. In this work…
WIMP Dark Matter Searches in Reticulum II Using MeerKAT
Shibre Semane, Geoff Beck, Sphesihle Makhathini +2
In the last decade radio astronomy has emerged as a powerful technique for detecting signatures of Weakly Interacting Massive Particles (WIMPs). Dwarf spheroidal galaxies (dSphs) a…
Detecting the -axiverse through parametric resonance
Stephon Alexander, Geoff Beck, Santiago Loane +1
Axions are a leading dark matter candidate. In this work, we study the detectability of a multi-axion-like model, dubbed the -axiverse, that is distinguishable from the string a…
Taking quantisation seriously: a farewell to waves
Geoff Beck
The dual wave-particle nature of quantum objects is a notoriously unintuitive feature of quantum theories. However, it is often deemed essential, due to quantum objects exhibiting…
DarkMatters: A powerful tool for WIMPy analysis
Michael Sarkis, Geoff Beck
We introduce a new software package, DarkMatters, which has been designed to facilitate the calculation of all aspects of indirect dark matter detection of WIMPs in astrophysical s…
Dark Matter Line Searches with the Cherenkov Telescope Array
S. Abe, J. Abhir, A. Abhishek +562
Monochromatic gamma-ray signals constitute a potential smoking gun signature for annihilating or decaying dark matter particles that could relatively easily be distinguished from a…
Dark matter searches in dwarf spheroidal galaxies with the Cherenkov Telescope Array
Francesco Gabriele Saturni, Michele Doro, Aldo Morselli +1
Dark matter (DM) is one of the major components in the Universe. However, at present its existence is still only inferred through indirect astronomical observations. DM particles c…
Prospects for -ray observations of the Perseus galaxy cluster with the Cherenkov Telescope Array
The Cherenkov Telescope Array Consortium, :, K. Abe +564
Galaxy clusters are expected to be dark matter (DM) reservoirs and storage rooms for the cosmic-ray protons (CRp) that accumulate along the cluster's formation history. Accordingly…
A radio-frequency WIMP search with the MeerKAT Galaxy Cluster Legacy Survey
Natasha Lavis, Michael Sarkis, Geoff Beck +1
Radio-frequency, indirect dark matter searches have recently been gaining prevalence, due to the high sensitivity and resolution capabilities of the new generation of radio interfe…
Multi-frequency probes of 2HDM+S dark matter
Geoff Beck
The two-Higgs-doublet with additional scalar (2HDM) model is one proposed to account for several anomalies that have persisted and increased in significance over runs 1 and 2 a…
A radio-frequency search for WIMPs in RXC J0225.1-2928
Michael Sarkis, Geoff Beck, Natasha Lavis
Recent studies focusing on the use of radio data in indirect dark matter detection have led to a set of highly competitive limits on the WIMP annihilation cross-section, especially…
Primordial black holes and the Sunyaev-Zel'dovich effect
Justine Tarrant, Geoff Beck
Primordial black holes are a popular candidate for dark matter. In the mass regime where their conjectured Hawking evaporation is significant, they have been subject to many constr…
Just a MeerKAT, or a dark matter machine?
Geoff Beck, Sphesihle Makhathini
The MeerKAT telescope is a precursor experiment to the full Square Kilometre Array. The latter's potential to explore the nature of dark matter, via indirect detection, has receive…
Simulating the radio emissions of dark matter for new high-resolution observations with MeerKAT
Michael Sarkis, Geoff Beck
Recent work has shown that searches for diffuse radio emission by MeerKAT - and eventually the SKA - are well suited to provide some of the strongest constraints yet on dark matter…
A Linear Stochastic Model of Turbulent Cascades and Fractional Fields
Gabriel B. Apolinário, Geoffrey Beck, Laurent Chevillard +2
Turbulent cascades characterize the transfer of energy injected by a random force at large scales towards the small scales. In hydrodynamic turbulence, when the Reynolds number is…
Galaxy clusters in high definition: a dark matter search
Geoff Beck, Michael Sarkis
Recent radio-frequency probes, with the ATCA and ASKAP telescopes, have proven themselves to be at the forefront of placing indirect limits on the properties of dark matter. The la…
Studying patched spacetimes for binary black holes
Justine Tarrant, Geoff Beck
Circumbinary accretion disks have been examined, theoretically, for supermassive and intermediate mass black holes, however, disks for black hole masses in the LIGO regime are poor…
Constraints on dark matter annihilation from the FAST observation of the Coma Berenices dwarf galaxy
Wen-Qing Guo, Yichao Li, Xiaoyuan Huang +4
The Galactic center -ray excess, detected by the Fermi-LAT, is a very attractive tentative signal from dark matter annihilation. Searching for associated synchrotron emissions c…
Probing dark matter in 2HDMS+S with MeerKAT Galaxy Cluster Legacy Survey data
Natasha Lavis, Geoff Beck
Dark matter is believed to constitute the majority of the matter content of the universe, but virtually nothing is known about its nature. Physical properties of a candidate partic…
Potential of the MeerKAT telescope to detect the stimulated decay of axion-like particles
Ahmed Ayad, Geoff Beck
A prominent aspect of the hunt for cold dark matter is looking for light scalar candidates such as axion-like particles (ALPs). The coupling between ALPs and photons allows for the…
Unveiling Hidden Physics at the LHC
Oliver Fischer, Bruce Mellado, Stefan Antusch +30
The field of particle physics is at the crossroads. The discovery of a Higgs-like boson completed the Standard Model (SM), but the lacking observation of convincing resonances Beyo…
Probing Dark Matter and Fundamental Physics with the Cherenkov Telescope Array
F. Iocco, M. Meyer, M. Doro +71
Astrophysical observations provide strong evidence that more than 80% of all matter in the Universe is in the form of dark matter (DM). Two leading candidates of particles beyond t…
Connecting multi-lepton anomalies at the LHC and in Astrophysics with MeerKAT/SKA
Geoff Beck, Ralekete Temo, Elias Malwa +2
Multi-lepton anomalies at the Large Hadron Collider (LHC) are reasonably well described by a two Higgs doublet model with an additional singlet scalar. Here, we demonstrate that us…