Using time-dependent indirect $CP$ asymmetries to measure $T$ and $CPT$ violation in $B^0$-${\bar B}^0$ mixing

Quantum field theory, which is the basis for all of particle physics, requires that all processes respect $C P T$ invariance. It is therefore of paramount importance to test the validity of $C P T$ conservation. In this Letter, we show that the time-dependent, indirect $C P$ asymmetries involving $B$ decays to a $C P$ eigenstate contain enough information to measure $T$ and $C P T$ violation in $B^{0}$ - ${\overset{ˉ}{B}}^{0}$ mixing, in addition to the standard $C P$ -violating weak phases. Entangled $B^{0} {\overset{ˉ}{B}}^{0}$ states are not required (so that this analysis can be carried out at LHCb, as well as at the $B$ factories), penguin pollution need not be neglected, and the measurements can be made even if the $B^{0}$ - ${\overset{ˉ}{B}}^{0}$ width difference vanishes.

Using time-dependent indirect $C P$ asymmetries to measure $T$ and $C P T$ violation in $B^{0}$ - ${\overset{ˉ}{B}}^{0}$ mixing

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Using time-dependent indirect $C P$ asymmetries to measure $T$ and $C P T$ violation in $B^{0}$ - ${\overset{ˉ}{B}}^{0}$ mixing

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Using time-dependent indirect CPCP asymmetries to measure TT and CPTCPT violation in B0B0-Bˉ0Bˉ0 mixing

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Using time-dependent indirect CPCP asymmetries to measure TT and CPTCPT violation in B0B0-Bˉ0Bˉ0 mixing

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Using time-dependent indirect $C P$ asymmetries to measure $T$ and $C P T$ violation in $B^{0}$ - ${\overset{ˉ}{B}}^{0}$ mixing

讲解博客

AI智能校验

Using time-dependent indirect $C P$ asymmetries to measure $T$ and $C P T$ violation in $B^{0}$ - ${\overset{ˉ}{B}}^{0}$ mixing

讲解博客

AI智能校验