The dark photon is a massive hypothetical particle that interacts with the Standard Model by
kinetically mixing with the visible photon. For small values of the mixing parameter, dark …

New Particles Beyond the Standard Model have always been thought to be charged under
at least some of the same gauge interactions of ordinary particles. Although this assumption …

If dark matter is composed of axions, then axion stars form in the cores of dark matter halos.
These stars are unstable above a critical mass, decaying to radio photons that heat the …

We conduct the first “light-shining-through-wall”(LSW) search for dark photons using two
state-of-the-art high-quality-factor superconducting radio frequency (SRF) cavities—Dark …

Dark photons can oscillate into Standard Model (SM) photons via kinetic mixing. The
conversion probability depends sensitively on properties of the ambient background, such …

A bstract The detection of massless kinetically-mixed dark photons is notoriously difficult, as
the effect of this mixing can be removed by a field redefinition in vacuum. In this work, we …

Despite an intense theoretical and experimental effort over the past decade, observations of
the extragalactic radio background at multiple frequencies below 10 GHz are not understood …

A bstract Dark photon dark matter will resonantly convert into visible photons when the dark
photon mass is equal to the plasma frequency of the ambient medium. In cosmological …

A bstract We use Swampland principles to theoretically disfavor regions of the parameter
space of dark matter and other darkly charged particles that may exist. The Festina Lente …

Millicharged dark matter particles can be efficiently captured by the Sun, where they
annihilate into tau leptons, leading to the production of high-energy neutrinos. In contrast to …