## Helicity, Chirality, Mass, and the Higgs » epanti

The electron, anti-electron, positron, and anti-positron. (Anti-particles are drawn with a slight green tint.) It is crucially important that the electron and the anti-positron are two different particles.

• I like this picture, but there is one mistake, I believe. The arrows for the positron and electron need to be switched, with the red arrow pointed down switched with the blue arrow pointed up for the third and forth particles shown.

• I like this picture, but there is one mistake, I believe. The arrows for the positron and electron need to be switched, with the red arrow pointed down switched with the blue arrow pointed up for the third and forth particles shown, I believe.

• I like this picture, but there is one mistake, I believe. The arrows for the positron and electron need to be switched, with the red arrow pointed down switched with the blue arrow pointed up for the third and forth particles shown, I believe. I’m almost certain I have not already said this.