Click on one of the following choices	(Click below if you'd like to see good examples of the appropriate kind of event)
electron	(example events containing an electron)
muon	(example events containing a muon)
hadron	(example events containing a hadron)

If you have correctly identified this event you can now go on to the next challenge event by clicking here.

Back to Challenge 1 event list.

Back to Home Page with table of contents.

Yes. Well done!

This is, indeed, an event containing an electron.

Now go on to the next challenge event by clicking here, please.

Sorry, this isn't an event containing a muon