>>13541196During the early days of particle physics that is what people did. Bubble chambers were flown on aircraft. The positron was discovered with cosmic rays. The problem is the very high energy particles become extremely rare, so you would need enormous detectors. There are large cosmic ray detectors which use the atmosphere, but they don't have the same quality of information of the collider experiments.
>>13541181The solar wind isn't that energetic, you mean cosmic rays. Much higher energy particles than the LHC also strike the atmosphere.