COSMIC WISPers is a COST Action CA21106 focusses on very weakly interacting slim (m<GeV) particles (WISPs) which emerge in several extensions of the Standard Model of Particle Physics. The aim of this Action is an exhaustive study of these WISPs, notably axions, axion-like particles and dark photons, ranging from their theoretical underpinning, over their indirect observational consequences in astrophysics, to their search at colliders and beam-dump and their direct detection in laboratory experiments.

The main aim of the COSMIC WISPers Action is to promote the formation of a team of scientists with different and complementary expertise to carry on WISP studies on a systematic and coherent basis in the intersecting and interdisciplinary area of particle physics, astrophysics and cosmology. Our main goals are the following:

• Provide a discussion forum for the European coordination of WISPs Physics activities and express collective view on the development of WISPs research.
• Develop a Roadmap for WISPs Physics in Europe, a description of the status and perspectives of the field within Europe, linking them to activities in other parts of the world.
• Develop a common database on WISPs theoretical models, experimental and astrophysical bounds.
• Provide cross community discussions to enable new experiments.

CA21106 AT COST SITE