Curated by RSF Research Staff
Dark matter particles still undetected after two of the most sensitive experiments to date
The world’s largest dark matter detector, XENON1T, and a secondary detector, PandaX-II, have released reports of the most recent experiments to detect putative dark matter particles. With the most sensitive measurements to date, both teams report no detection of dark matter particles at either detector---a result that is consistent with null detections at the large Hadron Collider and at other underground detector facilities.
For many who will continue the pursuit of detecting extremely weakly interacting massive particles, the results are being used to narrow the range of possible properties of dark matter and the cross-section of possible interactions with “normal” matter. However, for other researchers, the preponderance of a lack of physical detection, as well as the suspect modus operandi of conventional Standard Model researchers to throw a new particle into the mix whenever there is a problem, has inspired searches for alternative explanations.
Several of the most promising novel approaches to explaining the “missing matter” of the universe have been reported by the Resonance Science Foundation; see for instance the report on galaxies in a superfluid vortex, where alternative models like modified Newtonian gravity and the Haramein-Rauscher spacetime spin solution to general relativity are discussed.