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Aug23-07, 11:23 PM
P: 346
Thank you strangerep, that starts to help. I understand from what you wrote that chirality is Lorentz-invariant and helicity depends on the observer.

What about other particles, such as electrons? The spin along the motion vector in the frame of whatever interaction is about to take place is the helicity. But do electrons have two different types of chirality that are different from each other?