Some Prospects For The Determination Of The Unitarity Triangle Before The Lhc Era
PROCEEDINGS OF THE XXVII INTERNATIONAL CONFERENCE ON HIGH ENERGY PHYSICS, VOLS I AND II: VOL I: PLENARY SESSIONS; VOL II: PARALLEL SESSIONS(1995)
摘要
Anticipating improved determinations of $m_t$, $|V_{cb}|$, $|V_{ub}/V_{cb}|$,
$B_K$ and $F_B \sqrt{B_B}$ in the next five years we make an excursion into the
future in order to find a possible picture of the unitarity triangle, of quark
mixing and of CP violation around the year~2000. We then analyse what impact on
this picture will result from the measurements of the four possibly cleanest
quantities: $BR(K^+ \to \pi^+ \nu \bar\nu)$, $x_d/x_s$, $\sin(2\alpha)$ and
$\sin(2\beta)$. In the course of our investigations we extend the analysis of
the unitarity triangle beyond the leading order in the Wolfenstein parameter
$\lambda$. \\ We will also shortly present the status of direct CP violation in
$K \rightarrow \pi\pi$ and $K_{\rm L} \rightarrow \pi^0 e^+ e^-$.
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关键词
cp violation
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