Ω- Hyperon Decay Modes with the HyperCP Experiment at Fermilab

الأصل · EN

The HyperCP experiment (Fermilab E871) has the largest recorded sample of Ω- hyperon decays, allowing new searches for three rare decay modes, each with five charged tracks in the final state. Results are presented for Ω-→Ξ-π+π-; Ω- → Ξ⁰(1530)π-; and the flavor-changing neutral-current decay Ω- → Ξ-μ+μ-. Normalization of these measurements were to the decay Ω- → ΛK- with a five-track topology similar to the signal mode with the subsequent decay of Λ→ p π- and K- → π- π+ π- in the decay volume.