Hi, thanks for the reply. I had initially thought that the particles were muons, however the tracks they leave are much longer and straighter. About twenty minutes into the experiment, I observed muons and they were very different to these unknown particles which seem to have originated from the...
Yesterday I decided to carry out a cloud chamber experiment for a school assessment. I used "100%" isopropanol and around 2.5 kg of dry ice. After a wait of approximately 30 minutes, the particle tracks began to appear. I placed a weak source of Americium-241 sourced from a smoke detector (1...