Abstract
Following a brief introduction I report the current status of symmetry violation tests from the BABAR experiment, including recent results on the measurement of T violation, and searches for CP and T violation in mixing.
Highlights
The study of the discrete symmetries C, P, CP, T, and CP T has provided many insights as to the underlying structure of the weak interaction
Noether’s theorem reminds us that in general we expect that exact symmetries in nature relate to conservation laws
Likewise symmetry violation would lead to the consequence that the conservation law did not work exactly, but was at best a rule of thumb that may be used to make estimates with some degree of uncertainty regarding the accuracy of any conclusion inferred; for example SU(3) falls into this category of symmetry
Summary
The study of the discrete symmetries C (charge conjugation), P (parity), CP , T (motion reversal), and CP T has provided many insights as to the underlying structure of the weak interaction. In 2001 BABAR unveiled results showing CP violation in the decay of a b quark to a ccs final state (modes such as B → J/ψKS0, and J/ψKL0 were included in this discovery).
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