Our research covers
  • Dark matter particle physics and astrophysics
  • Direct dark matter detection (LZ, SABRE, DARWIN, XLZD, CYGNUS)
  • Neutrino physics
  • Novel particle detectors
  • Cosmic rays
  • Black holes
  • Fundamental physics with astronomy and astrometry

If you are interested in undertaking a project in one of these areas for your undergraduate degree, a summer project, or as a PhD or honours student, please get in touch with Celine, Ciaran or Theresa. To look at some examples of research projects we have offered go to the study with us page

Feebly Interacting Particles: FIPs 2022 workshop report
C. Antel, … Celine Boehm, Ciaran A. J. O’Hare

Aether Scalar Tensor (AeST) theory: Quasistatic spherical solutions and their phenomenology
Peter Verwayen, Constantinos Skordis, Celine Boehm

Strong gravitational lensing’s ‘external shear’ is not shear
A. Etherington, … Ellen Sirks et al.

Background Determination for the LUX-ZEPLIN (LZ) Dark Matter Experiment
J. Aalbers, … Theresa Fruth et al.

Limits on Dark Photons, Scalars, and Axion-Electromagnetodynamics with The ORGAN Experiment
Ben T. McAllister, Aaron Quiskamp, Ciaran A. J. O’Hare, Paul Altin, Eugene Ivanov, Maxim Goryachev, Michael E. Tobar

Report of the Topical Group on Particle Dark Matter for Snowmass 2021
J. Cooley, … Ciaran A. J. O’Hare et al.

Micro-pattern gaseous detectors
B. Surrow, … Ciaran A. J. O’Hare et al.

First Dark Matter Search Results from the LUX-ZEPLIN (LZ) Experiment
J. Aalbers, … Theresa Fruth et al.

Gravitational-wave event rates as a new probe for dark matter microphysics
Markus R. Mosbech, Alexander C. Jenkins, Sownak Bose, Celine Boehm, Mairi Sakellariadou, Yvonne Y.Y. Wong

Can radial motions in the stellar halo constrain the rate of change of mass in the Galaxy?
Sanjib Sharma, Joss Bland-Hawthorn, Joseph Silk, Celine Boehm

Joint HST, VLT/MUSE and XMM-Newton observations to constrain the mass distribution of the two strong lensing galaxy clusters: MACS J0242.5-2132 & MACS J0949.8+1708
Joseph F.V. Allingham, Mathilde Jauzac, David J. Lagattuta, Guillaume Mahler, Céline Bœhm, Geraint F. Lewis, Dominique Eckert, Alastair Edge, Stefano Ettori

Radio sky reveals primordial electron-proton interactions
Shyam Balaji, Maura E. Ramirez-Quezada, Celine Boehm

Axion dark matter
C. Adams, … Ciaran A. J. O’Hare, … et al.

New Horizons: Scalar and Vector Ultralight Dark Matter
D. Antybas, … Ciaran A. J. O’Hare, … et al.

Dark Matter Direct Detection to the Neutrino Fog
D. S. Akerib, … Ciaran A. J. O’Hare, … et al.

Dark Matter Physics from Halo Measurements
K. Bechtol, … Celine Boehm, … et al.

Coherent elastic neutrino-nucleus scattering: Terrestrial and astrophysical applications
M. Abdullah, … Ciaran A. J. O’Hare, … et al.

Recoil imaging for dark matter, neutrinos, and physics beyond the Standard Model
Ciaran A. J. O’Hare et al.

Cosmology of the companion-axion model: dark matter, gravitational waves, and primordial black holes
Zhe Chen, Archil Kobakhidze, Ciaran A. J. O’Hare, Zachary S.C. Picker, Giovanni Pierobon

Comment on: Cosmological black holes are not described by the Thakurta metric
Celine Boehm, Archil Kobakhidze, Ciaran A.J. O’Hare, Zachary S.C. Picker, Mairi Sakellariadou

Navigating the asteroid field: New evaporation constraints for primordial black holes as dark matter
Zachary S.C. Picker

CYGNUS: Feasibility of a nuclear recoil observatory with directional sensitivity to dark matter and neutrinos
Sven E. Vahsen, Ciaran A. J. O’Hare et al.

Recent publications (2020—present)

Axion minivoids and implications for direct detection
Benedikt Eggemeier, Ciaran A.J. O’Hare, Giovanni Pierobon, Javier Redondo, Yvonne Y.Y. Wong
Phys. Rev. D 107, 083510 (2023)

Hybrid multi-fluid-particle simulations of the cosmic neutrino background
Joe Zhiyu Chen, Markus R. Mosbech, Amol Upadhye, Yvonne Y.Y. Wong
JCAP 03 (2023) 012

Probing dark matter interactions with 21 cm observation
Markus R. Mosbech, Celine Boehm, Yvonne Y. Y. Wong
JCAP 03 (2023) 047

Weak Lensing in the Blue: A Counter-intuitive Strategy for Stratospheric Observations
M. M. Shaaban et al. (including Ellen Sirks)
The Astronomical Journal, 164, 6, id.245

A Next-Generation Liquid Xenon Observatory for Dark Matter and Neutrino Physics
J. Aalbers, et al. (including C Boehm, C. A. J. O’Hare, T. Fruth)
J.Phys.G 50 (2023) 1, 013001

Effects of Hawking evaporation on PBH distributions
Markus R. Mosbech & Zachary S. C. Picker
SciPost Phys. 13 (2022) 100

Phenomenology of the companion-axion model: photon couplings
Zhe Chen, Archil Kobakhidze, Ciaran A. J. O’Hare, Zachary S.C. Picker, Giovanni Pierobon
Eur. Phys. J. C, 82 (2022) 940

A Reputation Game Simulation: Emergent Social Phenomena from Information Theory
Torsten Enßlin, Viktoria Kainz, Céline Bœhm
Annalen der Physik, vol. 534, issue 5, p. 2100277

Electroweak Dark Matter
Ramtin Amintaheri
JHEP 05 (2022) 007

CTA – the World’s largest ground-based gamma-ray observatory
Roberta Zanin, … Celine Boehm et al.
PoS ICRC2021 (2022) 005

Apparent horizons of the Thakurta spacetime and the description of cosmological black holes
Archil Kobakhidze, Zachary S. C. Picker
Eur. Phys. J. C 82 (2022) 4, 347

Particle detection and tracking with DNA
Ciaran A. J. O’Hare,…, Celine Boehm, et al.
Eur. Phys. J. C 82 4 (2022) 306

Simulations of axion-like particles in the post-inflationary scenario
Ciaran A. J. O’Hare, Giovanni Pierobon, Javier Redondo, Yvonne. Y. Y. Wong
Phys. Rev. D 105, 055025 (2022)

Reticulum II: Particle Dark Matter and Primordial Black Holes Limits
Thomas Siegert, Céline Bœhm et al.
MNRAS 511, 1 (2022)

Fog on the horizon: a new definition of the neutrino floor for direct dark matter searches
Ciaran A. J. O’Hare
Phys. Rev. Lett. 127, (2021) 251802

Dark photon limits: a handbook
Andrea Caputo, Alexander J. Millar, Ciaran A. J. O’Hare, and Edoardo Vitagliano
Phys. Rev. D 104, (2021) 095029

Faint objects in motion: the new frontier of high precision astrometry
Fabien Malbet, Céline Bœhm, Alberto Krone-Martins, Antonio Amorim, Guillem Anglada-Escudé et al.
Exper. Astron. 51 (2021) 3, 845-886

Optical reconstruction of dust in the region of supernova remnant RX J1713.7−3946 from astrometric data
Reimar Leike, Silvia Celli, Alberto Krone-Martins, Céline Bœhm, Martin Glatzle et al.
Nature Astron. 5 (2021) 8, 832-838

The full Boltzmann hierarchy for dark matter-massive neutrino interactions
Markus R. Mosbech, Céline Bœhm, et al.
JCAP 03 (2021) 066 

Cornering the axion with CP-violating interactions
Ciaran A.J. O’Hare, Edoardo Vitagliano
Phys.Rev.D 102 (2020) 11, 115026

Scalar dark matter candidates revisited
Céline Bœhm, Xiaoyong Chu, Jui-Lin Kuo, Josef Pradler
Phys.Rev.D 103 (2021) 7, 075005

Directional recoil detection
Sven E. Vahsen, Ciaran A.J. O’Hare, Dinesh Loomba
Ann. Rev. Nucl. Part. Sci. 71 (2021) 189-224

Eliminating the LIGO bounds on primordial black hole dark matter
Céline Bœhm, Archil Kobakhidze, Ciaran A.J. O’Hare, Zachary S.C. Picker, Mairi Sakellariadou
JCAP 03 (2021) 078

Axion helioscopes as solar magnetometers
Ciaran A.J. O’Hare, Andrea Caputo, Alexander J. Millar, Edoardo Vitagliano
Phys. Rev. D 102 (2020) 4, 043019

Light new physics in XENON1T
Céline Bœhm, David G. Cerdeno, Malcolm Fairbairn, Pedro A.N. Machado, Aaron C. Vincent
Phys. Rev. D 102 (2020) 115013

Can we overcome the neutrino floor at high masses?
Ciaran A.J. O’Hare
Phys.Rev. D 102 (2020) 6, 063024

Using Circular Polarisation to Test the Composition and Dynamics of Astrophysical Particle Accelerators
Céline Bœhm, Céline Degrande, Jakub Scholtz, Aaron C. Vincent
Phys. Rev. D 102, 123020 (2020)

Charles L. Steinhardt, …, Joseph Allinghham, Celine Boehm, et al.
ApJS 247 64 (2020)

Velocity substructure from Gaia and direct searches for dark matter
Ciaran A. J. O’Hare, N. Wyn Evans, Christopher McCabe, GyuChul Myeong, Vasily Belokurov
Phys. Rev. D 101 (2020) 2, 023006

Is it mixed dark matter or neutrino masses?
Julia Stadler, Céline Bœhm, and Olga Mena
JCAP 01 (2020) 039