Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2000-02-21
Mod.Phys.Lett. A15 (2000) 2363-2372
Physics
High Energy Physics
High Energy Physics - Phenomenology
14 pages, 3 figures (eps), updated in the light of latest PDG2000 data
Scientific paper
10.1142/S0217732300002462
The Jarlskog rephasing invariant parameter $|J|$ is evaluated using one of the six Unitarity Triangles involving well known CKM matrix elements \vud, \vus,~\rub, ~\vcd, ~\vcs~ and ~\vcb. With PDG2000 values of \vud~ etc. as input, we obtain $|J|=(2.71 \pm 1.12) \times 10^{-5}$, which in the PDG representation of CKM matrix leads to the range $21^o~to~159^o$ for the CP violating phase $\delta$. The CKM matrix elements evaluated using this range of $\delta$ are in agreement with the PDG CKM matrix. The implications of refinements in the input on $|J|$, $\delta$ and CKM matrix elements have also been studied.
Bhatnagar Vasudha
Gill Paul S.
Gupta Mukul
Randhawa Monika
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