## Thursday, November 24, 2005 ... //

### Annihilating letters

If you're just waiting for your turkey, you can try to destroy some pairs of letters.

Explanation: the letters are elementary particles. Your goal is to construct tree level Feynman diagrams that pair-annihilate the particles. The only vertex is a quadratic vertex with a coupling "lambda" and the angle 90 degrees in it and your Feynman diagrams must be suppressed at most by "lambda^2".

Happy Thanksgiving not only from the true savior of music but also from everyone in our band.

#### snail feedback (2) :

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reader yunus said...

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