$πΞ$ phase shifts and CP Violation in ${Ω\toπΞ}$ Decay

Details $πΞ$ phase shifts and CP Violation in ${Ω\toπΞ}$ Decay $πΞ$ phase shifts and CP Violation in ${Ω\toπΞ}$ Decay

2003-03-27

arxiv.org/abs/hep-ph/0303237v2

Phys.Rev. D68 (2003) 034006

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 2 figures

Scientific paper

10.1103/PhysRevD.68.034006

In the study of CP violation signals in ${\O}\to\pi\Xi$ nonleptonic decays, the strong $J$=3/2 $P$ and $D$ phase shifts for the $\pi\Xi$ final-state interactions are needed. These phases are calculated using an effective Lagrangian model, including $\Xi$, $\Xi^*$(1530), $\rho$ and the $\sigma$-term, in the intermediate states. The $\sigma$-term is calculated in terms of the scalar form factor of the baryon.

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