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Refined Bounds on MeV-scale Thermal Dark Sectors from BBN and the CMB
Nashwan Sabti, James Alvey, Miguel Escudero +2
New light states thermally coupled to the Standard Model plasma alter the expansion history of the Universe and impact the synthesis of the primordial light elements. In this work,…
AION: An Atom Interferometer Observatory and Network
L. Badurina, E. Bentine, D. Blas +38
We outline the experimental concept and key scientific capabilities of AION (Atom Interferometer Observatory and Network), a proposed UK-based experimental programme using cold str…
No chiral light bending by clumps of axion-like particles
Diego Blas, Andrea Caputo, Mikhail M. Ivanov +1
We study the propagation of light in the presence of a parity-violating coupling between photons and axion-like particles (ALPs). Naively, this interaction could lead to a split of…
Secular effects of Ultralight Dark Matter on Binary Pulsars
Diego Blas, Diana López Nacir, Sergey Sibiryakov
Dark matter (DM) can consist of very light bosons behaving as a classical scalar field that experiences coherent oscillations. The presence of this DM field would perturb the dynam…
AEDGE: Atomic Experiment for Dark Matter and Gravity Exploration in Space
Yousef Abou El-Neaj, Cristiano Alpigiani, Sana Amairi-Pyka +129
We propose in this White Paper a concept for a space experiment using cold atoms to search for ultra-light dark matter, and to detect gravitational waves in the frequency range bet…
Constraints on millicharged dark matter and axion-like particles from timing of radio waves
Andrea Caputo, Laura Sberna, Miguel Frias +4
We derive novel constraints on millicharged dark matter and ultralight axion-like particles using pulsar timing and fast radio burst observations. Millicharged dark matter affects…