New Cascade Particle Completes $5/2−$ Octet

DEC 01, 1968

Physics Today

SU(3) is still yielding new multiplets. A Brookhaven‐Syracuse group recently found sa well defined $Ξ*$ resonance of strangeness $−2$ and mass $1930±20 MeV$ (Phys. Rev. Letters 21, 1119, 1968). The resonance appears to complete the 5/2 octet.

This Content Appeared In

Volume 21, Number 12

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New Cascade Particle Completes 5/2− Octet

New Cascade Particle Completes $5/2−$ Octet