[HTML][HTML] Feebly-interacting particles: FIPs 2020 workshop report

P Agrawal, M Bauer, J Beacham, A Berlin… - The European Physical …, 2021 - Springer
With the establishment and maturation of the experimental programs searching for new
physics with sizeable couplings at the LHC, there is an increasing interest in the broader …

Detection of early-universe gravitational-wave signatures and fundamental physics

R Caldwell, Y Cui, HK Guo, V Mandic, A Mariotti… - General relativity and …, 2022 - Springer
Detection of a gravitational-wave signal of non-astrophysical origin would be a landmark
discovery, potentially providing a significant clue to some of our most basic, big-picture …

The search for feebly interacting particles

G Lanfranchi, M Pospelov… - Annual Review of Nuclear …, 2021 - annualreviews.org
At the dawn of a new decade, particle physics faces the challenge of explaining the mystery
of dark matter, the origin of matter over antimatter in the Universe, the apparent fine-tuning of …

Ultra-relativistic bubbles from the simplest Higgs portal and their cosmological consequences

A Azatov, G Barni, S Chakraborty… - Journal of High Energy …, 2022 - Springer
A bstract We analyze phase transitions in the minimal extension of the SM with a real singlet
scalar field. The novelty of our study is that we identify and analyze in detail the region of …

Migdal effect in semiconductors

S Knapen, J Kozaczuk, T Lin - Physical Review Letters, 2021 - APS
When a nucleus in an atom undergoes a collision, there is a small probability of an electron
being excited inelastically as a result of the Migdal effect. In this Letter, we present the first …

On the perturbative expansion at high temperature and implications for cosmological phase transitions

O Gould, TVI Tenkanen - Journal of High Energy Physics, 2021 - Springer
A bstract We revisit the perturbative expansion at high temperature and investigate its
convergence by inspecting the renormalisation scale dependence of the effective potential …

Probing electroweak phase transition with multi-TeV muon colliders and gravitational waves

W Liu, KP Xie - Journal of High Energy Physics, 2021 - Springer
A bstract We study the complementarity of the proposed multi-TeV muon colliders and the
near-future gravitational wave (GW) detectors to the first order electroweak phase transition …

Quantisation across bubble walls and friction

A Azatov, G Barni, R Petrossian-Byrne… - Journal of High Energy …, 2024 - Springer
A bstract We quantise from first principles field theories living on the background of a bubble
wall in the planar limit with particular focus on the case of spontaneous breaking of gauge …

The electroweak phase transition: a collider target

MJ Ramsey-Musolf - Journal of High Energy Physics, 2020 - Springer
A bstract Determining the thermal history of electroweak symmetry breaking (EWSB) is an
important challenge for particle physics and cosmology. Lattice simulations indicate that …

python package for dark matter scattering in dielectric targets

S Knapen, J Kozaczuk, T Lin - Physical Review D, 2022 - APS
We present DarkELF, a python package to calculate interaction rates of light dark matter in
dielectric materials, including screening effects. The full response of the material is …