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[elvum]

I spent most of today installing a package for creating Feynman diagrams. It's not amazing, but with a little C++ knowledge, you can produce nice thesis-quality diagrams in postscript format, and it beats mucking around with the various LaTeX bolt-ons that do the same thing. So, for your viewing indifference, here are the Feynman diagrams for Bs mixing:



Today's unfascinating fact: Bs and Bs-bar mesons oscillate from being one to being the other twice every picosecond, all thanks to the miracle of mixing! Hurrah!