Part 4

Part 4 is a little bit more difficult. Events of the types you met in Parts 2 and 3 will be mixed up together. We won't tell you in advance which is which. So, first you have to decide whether the event you're looking at is the type in which a matter particle-antiparticle pair has been produced (like Part 2) or it is the type of event in which a W⁺W^- pair has been produced (like Part 3). After you've done that, then see if you can identify exactly which sort of event you're looking at

Event 31
Event 32
Event 33
Event 34
Event 35
Event 36
Event 37
Event 38
Event 39
Event 40

. Once you've successfully identified each of these events, then please:
click here to proceed to the next part of the programme which is "Part 5".

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