Complex sentence: The collision of the accelerated electron beam's electrons, that forms the ionization tracks, within the bubble chamber that is composed of steal to hold the high pressure liquid hydrogen yet for the electron beam to enter the bubble chamber would result in a high explosion.
Split into simpler sentences: The collision of the accelerated electron beam's electrons, that forms the ionization tracks, within the bubble chamber. The bubble chamber is composed of steal to hold the high pressure liquid hydrogen yet for the electron beam to enter the bubble chamber would result in a high explosion.