Not really. Those experiments relate to quantum physics and why matter exists, by completing the
standard model. Dark matter and energy are all about "what is space" and probably time too. We cannot grasp that we might be floating in empty space, so we've been searching for something tangible that would make up space, and possibly also explain gravity; and by extension, understand the boundaries of space and time, even manipulate both if we can manipulate dark energy. But when someone says there is a 99.996% likelihood it exists, I still take it with a grain of salt; if I can draw an example in the computer world, 99.999% uptime still translates to 5 mins of downtime a year; multiply that by billions of years and you still have a huge downtime number - which makes 99.999% in such a large scale still not good enough.