How to Identify Some Slightly More Complicated Types of Event

If you have enjoyed the challenges so far then you may be interested in learning about some more types of event. These events are rather like the events containing a particle-antiparticle pair that we looked at in an earlier section, but made slightly more complicated, because extra particles have been added.

One reason why this is interesting is that these extra particles sometimes make it much more difficult to distinguish the events containing a particle-antiparticle pair from events containing a pair of W particles.

Take a look at the following new types of events:

• High Energy Photons in Events Containing a Particle-Antiparticle Pair
• High Energy Gluons in Events Containing a Quark-Antiquark Pair
• "Four Fermion" Events

Once you've understood the way we identify the different types of new events, then please:
click here to proceed to the next part of the programme, which is "Challenge Part 5".

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