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The Xi baryons or cascade particles are a family of subatomic hadron particles which have the symbol Ξ and may have an electric charge (Q) of +2 e, +1 e, 0, or −1 e, where e is the elementary charge. Like all conventional baryons, Ξ particles contain three quarks.
The Xi-minus decay certainly seems plausible and follows the pattern shown in other decays. The Xi-zero decay is going a bit further out on a limb since it invokes two W-bosons. It is a slower process, but one would think that a double-W process would inhibit the decay by a larger factor.
Mar 31, 2011 · Representation of 150 baryons and antibaryons, showing neutrons, protons and some of their weirder cousins.
Today we confront the two Cascade or Ξ Ξ /ksee/ baryons which each have a pair of strange quarks. Ξ− Ξ − checks in with a mass of about 1322 MeV, making it the heaviest baryon we’ve encountered so far. This is just as well, as it comprised of two of those heavier, strange quarks.
Jan 15, 2019 · Lambda_b 0 (Bottom), b-baryon admixture (Xi_b, Sigma_b, Omega_b) * See also Figure 15.4 of the Quark Model Review, for quark-model assignments for many of the known baryons.
EthnoPhysics analyzes the mechanics of 𝞝 –baryons using chains of events noted by where each repeated cycle is composed of the following quarks. The foregoing quark models completely specify the quantum numbers of 𝞝 –baryons.
Baryons. Table of Baryons. As an example of the notation in the column of decay modes, the sigma + decay mode is written. pπ 0, nπ +. which implies there are two common decay modes, Σ + → p + π 0 and Σ + → n + π +.
