The FIPs 2020 workshop was structured around four “portals” that may link the Standard Model to a rich dark sector: axions, dark photons, dark scalars and heavy neutral leptons.
The presence of new virtual particles could be clearly signalled by a right-handed contribution to the photon polarisation.
In a recent CMS analysis researchers have challenged the Standard Model by investigating a previously unexplored leptoquark signature.
A global network of ultra-sensitive optical atomic magnetometers – GNOME – has begun its search for exotic fields beyond the Standard Model.
The excess could be due to a difficult-to-constrain tritium background, solar axions or solar neutrinos with a Majorana nature, says the collaboration.
The FUNK experiment has set an improved limit on the existence of hidden photons as candidates for dark matter with masses in the eV range.
A challenge for such searches is that the masses of the supersymmetric particles are unknown, leaving a large range of possibilities to explore.
Alain Blondel and Panagiotis Charitos report on developments at the third FCC Physics and Experiments Workshop.
The ATLAS and CMS collaborations have obtained new insights into the charge-parity structure of top-Higgs interactions.
The collaboration scoured four months of electron-positron collisions at SuperKEKB for evidence of invisibly decaying Z′ bosons.