Our research covers
  • Dark matter particle physics
  • Dark matter astrophysics
  • 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 or Ciaran. To look at some examples of research projects we have offered go to the study with us page

Recent preprints

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
arXiv:[2110.11014]

Fog on the horizon: a new definition of the neutrino floor for direct dark matter searches
Ciaran A.J. O’Hare
arXiv:[2109.03116]

Phenomenology of the companion-axion model: photon couplings
Zhe Chen, Archil Kobakhidze, Ciaran A. J. O’Hare, Zachary S.C. Picker, Giovanni Pierobon
arXiv:[2109.12920]

Reticulum II: Particle Dark Matter and Primordial Black Holes Limits
Thomas Siegert, Céline Bœhm et al.
arXiv:[2109.03791]

Theoretical Modeling of Communication Dynamics
Torsten Enßlin, Viktoria Kainz, Céline Bœhm
arXiv:[2106.05414]

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
arXiv:[2105.14908]

Particle detection and tracking with DNA
Ciaran A. J. O’Hare,…, Celine Boehm, et al.
arXiv:[2105.11949]

Electroweak Dark Matter
Ramtin Amintaheri
arXiv:[2105.11574]

Navigating the asteroid field: New evaporation constraints for primordial black holes as dark matter
Zachary S.C. Picker
arXiv:[2103.02815]

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.
arXiv:[2008.12587]

Recent publications (2020—present)

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)

The BUFFALO HST Survey
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