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First Year of BABAR/PEP-II - Harvard University Laboratory for ...

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A CP () t = – sin2βsin( ∆m ⋅ t)<br />

B-mix<br />

B-decay<br />

The tree diagram is Cabibbo suppressed.<br />

◆ Penguins with different phases contribute significantly.<br />

Theoretically less clean (tin-plated?)<br />

<strong>First</strong> <strong>Year</strong> <strong>of</strong> BaBar/<strong>PEP</strong>-<strong>II</strong> Masahiro Morii SLAC

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