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CESR: the 1 st “B factory”. CLEO. Christmas 1979. New years 1979-80. B m X. Spring 1980. CDC-muon chamber matching. Electron detection at CLEO . Electron event. Pb-gas Shower ctr. Cerenkov ctr mirror. TOF ctr. Electron Scan Sheet. maybe ”. Inclusive e’s at the ϒ (4S). Belle.
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Bm X Spring 1980
Electronevent Pb-gas Shower ctr Cerenkov ctr mirror TOF ctr
Electron Scan Sheet maybe”
Inclusive e’s at the ϒ(4S) Belle 2.0 2.2 2.4 2.6
K± e± m±
Electron PRL et al.,
Muon PRL Muon PRL et al.,
We need millions of B and use them to search for mixing and CP violation Tony, are you nuts? Look at this. This took us six months!
Death Valley TRISTAN
And the rest, as they say, is history