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Caption: BaBar detector at the
Stanford Linear Accelerator Center.
Caption: BaBar detector at the
Stanford Linear Accelerator Center.
Caption: The chart shows BaBar's very
precise measurement, in red, from charmonium states of a parameter
called sin 2b (sine two beta), which expresses the degree of
asymmetry between matter and antimatter. The measurements in blue
are the values of sin2b measured in different ways. All these
measurement should align yet clearly they do not. Is this an
indication of new physics?